An Internet site sells 120 types of cell phones. The ratio of the number of smartphones to the number of feature phones is 3:5. How many of the 120 types of cell phones are smartphones?

Use the on-screen keyboard to type your answer in the box below.

Answers

Answer 1

Answer:

Number of smartphones = 45

Step-by-step explanation:

Given:

Total number of phones = 120

Ratio [Smartphones to feature phones] = 3:5

Find:

Number of smartphones

Computation:

Number of smartphones = 120[3/(3+5)]

Number of smartphones = 120[3/(8)]

Number of smartphones = 360 / 8

Number of smartphones = 45


Related Questions

15. Use what you know about scientific notation to write the number -80,000 with a power of 10.

Answers

Answer:345600000000

Step-by-step explanation:

The proper format for scientific notation is a x 10^b where a is a number or decimal number such that the absolute value of a is greater than or equal to one and less than ten or, 1 ≤ |a| < 10. b is the power of 10 required so that the scientific notation is mathematically equivalent to the original number.

Move the decimal point in your number until there is only one non-zero digit to the left of the decimal point. The resulting decimal number is a.

Count how many places you moved the decimal point. This number is b.

If you moved the decimal to the left b is positive.

If you moved the decimal to the right b is negative.

If you did not need to move the decimal b = 0.

Write your scientific notation number as a x 10^b and read it as "a times 10 to the power of b."

Remove trailing 0's only if they were originally to the left of the decimal point.

Example: Convert 357,096 to Scientific Notation

Move the decimal 5 places to the left to get 3.57096

a = 3.57096

We moved the decimal to the left so b is positive

b = 5

The number 357,096 converted to scientific notation is 3.57096 x 10^5

Mrs. Becker got a box of chocolate for Valentine's Day. There are 74 pieces of chocolate
in the box. 69 pieces are milk chocolate and the rest are dark chocolate. How many of the
pieces are dark chocolate?



Pls explain how you got the answer

Answers

5 pieces of dark chocolate because if you subtract 69 from 74, you get 5.

a 50.0 cmcm, uniform, 50.0 nn shelf is supported horizontally by two vertical wires attached to the sloping ceiling (figure 1). a very small 20.0 nn tool is placed on the shelf midway between the points where the wires are attached to it.

Answers

the tension in each wire will be equal. The tension in each wire, T ,the tension in each wire is 85.36 N with its weight.

Assuming that the tool has negligible mass so that its weight does not contribute to the tension in the wires, the tension in each wire will be equal. The tension in each wire, T, can be calculated using the equation:

T = (W/2) + (L/2)*sin(θ),

where W is the weight of the shelf and L is the length of the shelf. The angle θ is the angle between the ceiling and the shelf.

In this case, W = 50 N, L = 50 cm and θ = 45°. Therefore, T = (50/2) + (50/2)*sin(45) = 50 + 35.36 = 85.36 N.

So, the tension in each wire is 85.36 N.

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A person's recommended weight can be calculated
using the following formula:
11(h - 40)/2
Where w = weight and h = height in inches.
If Stuart is 5 feet 10 inches tall, what is his
recommended weight?

Answers

The following formula: 11(h - 40)/2 Recommended weight is 165 lbs

The  formula is

=11(h - 40)/2

w = weight and h = height in inches.

5 feet 10 inches tall,

so putting the value of h

11(43-40)/2=165lbs

The first big step you can take to improve your health is to achieve your desired body weight. Obesity and being overweight are the root causes of the majority of lifestyle illnesses .

Heart disease, stroke, diabetes, obesity, metabolic syndrome, chronic obstructive pulmonary disease, and some forms of cancer are among them . What was formerly thought to be a "western sickness" or "affluent disease" now affects poor countries as well.

The first big step you can take to improve your health is to achieve your desired body weight. Obesity and being overweight are the root causes of the majority of lifestyle illnesses . Heart disease, stroke, diabetes, obesity, metabolic syndrome, chronic obstructive pulmonary disease, and others are examples.

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6) Split the following into a given ratio:
a) 72 into 1:3:5:
b) 150 into 2:3:
000029
Hub

Answers

(a)

Given:

72 to be split into 1:3:5

Solution:

First divide the amount with the sum of the ratio given

72 / 1 + 3 + 5 = 72 / 9 = 8

Now multiply the answer with each value:-

8 × 1 = 8

8 × 3 = 24

8 × 5 = 40

∴ The ratio will be 8:24:40

{To check your answer add to get the exact value: 8 + 24 + 40 = 72}

(b)

Given:

150 to be split into 2:3

Solution:

First divide the amount with the sum of the ratio given

150 / 2 + 3 = 150 / 5 = 30

Now multiply the answer with each value:-

30 × 2 = 60

30 × 3 = 90

∴ The ratio will be 60:90

{Now check your answer in the same way above: 60 + 90 = 150}

❤❤❤PLEASE BE RIGHT AND CORRECT BEFORE ANSWERING

PLEASE BE RIGHT AND CORRECT BEFORE ANSWERING
PLEASE BE RIGHT AND CORRECT BEFORE ANSWERING

Answers

Answer:

y=-x+28

Step-by-step explanation:

The slope(rise/run) is -1, and because it starts at y=28, the answer is y=-x+28

Answer:

"C"

The slope is -2 !!! delta y = 20 delta x = 10

the y intercept is 28

Step-by-step explanation:

an isosceles triangle has an angle of 9x+1 and another of 88, find x

Answers

Answer:

Step-by-step explanation:

2(9x+1)+88=180

9x+1+44=90

9x=90-45=45

x=5

someone please answer this its confusing me

someone please answer this its confusing me
someone please answer this its confusing me

Answers

24. opposite sides of a parallelogram are always congruent

the line AB will be congruent to line DC so 8t + 7 = 9t - 2 which gives you t = 9

line AD will also be congruent to line BC so 4s + 1 = 2s + 25 which gives you s = 12

Consider the line y=-8x+6.
Find the equation of the line that is parallel to this line and passes through the point (7, 5).
Find the equation of the line that is perpendicular to this line and passes through the point (7, 5).

Consider the line y=-8x+6.Find the equation of the line that is parallel to this line and passes through

Answers

The equation of the line that is parallel and perpendicular to y = -8x + 6 and passes through the point (7, 5) are y = -8x + 61 and  \(y = \frac{1}{8}x + \frac{33}{8}\) respectively.

What is the equation of line parallel and perpendicular to the given line?

The slope-intercept form is expressed as;

y = mx + b

Where m is slope and b is the y-intercept.

Given the equation of the original line:

y = -8x + 6

Using the slope intercept:

Slope m = -8

Since the desired line is parallel, it will have the same slope.

Therefore, the slope of the parallel line is also -8.

Plug in the slope m = -8 and the poin (7,5) into the point-slope form:

( y - y₁ ) = m( x - x₁ )

( y - 5) = -8( x - 7 )

Simplify

y - 5 = -8x + 56

y = -8x + 56 + 5

y = -8x + 61

The equation of the parallel line is y = -8x + 61.

For the perpendicular line:

The slope of the perpendicular line will be the negative reciprocal of -8, which is 1/8.

Hence, plug slope m = 1/8 and point (7,5) into the point-slope form:

( y - y₁ ) = m( x - x₁ )

\(y - 5 = \frac{1}{8} ( x + 7 )\\\\y - 5 = \frac{1}{8}x + \frac{7}{8} \\\\y = \frac{1}{8}x + \frac{7}{8} + 5\\\\y = \frac{1}{8}x + \frac{33}{8}\)

Therefore, the perpendicular line is \(y = \frac{1}{8}x + \frac{33}{8}\).

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plzzz helpppp meeee aaaasssaaappp​

plzzz helpppp meeee aaaasssaaappp

Answers

Answer:

4. Answer is 19

5. Answer is 77

Step-by-step explanation:

65-(-12)

= 65+12

=77

Answer:

1977

Step-by-step explanation:

4.

\(-64-(-83)\\\\\mathrm{Apply\:rule}\:-\left(-a\right)=a\\\\=-64+83\\\\\mathrm{Add/Subtract\:the\:numbers:}\:-64+83=19\)

5.

\(Kim = 65 \:points\\Sister =-12\\\\Difference = 65-(-12)\\\\\mathrm{Apply\:rule}\:-\left(-a\right)=a\\\\=65+12\\\\=77\)

The keyboard on a particular computer has a rectangular shape where the length is 332 mm and the width is 141 mm. Find the perimeter of the rectangle defined by this keyboard.

Answers

Answer:

946 mm

Step-by-step explanation:

(332*2)+(141*2)

Question 1 of 10
The mean of a distribution is 217, while the median is 217. Which of these
statements is likely to be true about the distribution?
A. It is not skewed.
B. It is negatively skewed.
C. It is positively skewed.
OD. It is not symmetrical.
SUBMIT

Answers

The mean of a distribution is 217, while the median is 217.The statements is likely to be true about the distribution is  option  D. It is not symmetrical.

The distribution is likely to be asymmetrical if the mean and median have different values. If the mean and median of a distribution are equal, it is likely that the distribution is symmetrical, which means it has equal tail sizes on both sides. However, if the mean and median are not equal, it indicates that the distribution is skewed.

A negatively skewed distribution means that the mean is less than the median, whereas a positively skewed distribution means that the mean is greater than the median.In this case, since the mean and median of the distribution are equal, it is likely to be symmetrical. Since none of the options say "symmetrical," option D, "It is not symmetrical," is the correct answer.

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Solve the absolute value inequality |-2z+30| ≤ 30

Answers

The answer of the above question is [0,30]

An absolute value inequality is one with an absolute value sign and a variable inside.

An important point to remember: | x |= {x if x ≥ 0 }

| x |= {x if x< 0}

taking the expression  |-2z+30| ≤ 30

Write the equivalent compound inequality.

-30≤ -2z+30 ≤ 30

= -30-30 ≤ -2z ≤ 30-30

= -60≤ -2z ≤ 0

= -60/2 ≤ -z  ≤ 0

= -30 ≤ -z  ≤ 0

Solve the compound inequality.

= 0 ≥ z ≥ 30 (reversing of signs)

Hence, the solution using interval notation  [0,30].The check is left to you.

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Solve the equation by identifying the quadratic form. Use a substitute variable(t) and find all real solutions by factoring. Type your answers from smallest to largest. If an answer is not an integer then type it as a decimal rounded to the nearest hundredth. When typing exponents do not use spaces and use the carrot key ^ (press shift and 6). For example, x cubed can be typed as x^3.(x^2-1)^2+(x^2-1)-12=0Step 1. Identify the quadratic formLet t= Answer. We now have:t^2+t-12=0Step 2. FactorFactor this and solve for t to get t=Answerand Answer Step 3. Solve for xWe have solved for t now we need to use this value for t to help us solve for x. Revisit step 1 to remind you of the relationship between t and x. Type your real solutions (no extraneous) from smallest to largest.x= Answer and Answer

Solve the equation by identifying the quadratic form. Use a substitute variable(t) and find all real

Answers

We have the following equation

\(\mleft(x^2-1\mright)^2+\mleft(x^2-1\mright)-12=0\)

Step 1.

Let t = (x^2 -1)

\(t=(x^2-1)\)

We now have:

\(t^2+t-12=0\)

Step 2. factor the above, to get t = -4 and 3

\(\begin{gathered} t^2+t-12=0 \\ t_{1,\: 2}=\frac{-1\pm\sqrt{1^2-4\cdot\:1\cdot\left(-12\right)}}{2\cdot\:1} \\ t_{1,\: 2}=\frac{-1\pm\sqrt{1^2-4\cdot\:1\cdot\left(-12\right)}}{2\cdot\:1} \\ t_1=\frac{-1+7}{2\cdot\:1},\: t_2=\frac{-1-7}{2\cdot\:1} \\ t_1=3,\: t_2=-4 \end{gathered}\)

Step 3.

\(\begin{gathered} t=(x^2-1) \\ t_1=3,\: t_2=-4 \end{gathered}\)

we can't use t = -4 because we will obtain an imaginary number, instead, lets use t=3 to solve for x

\(\begin{gathered} \mleft(x^2-1\mright)^{}=3 \\ x^2-1=3 \\ x^2-1+1=3+1 \\ x^2=4 \\ x=2,\: x=-2 \end{gathered}\)

So, x = -2 and 2

Combine the likes terms to create an equivalent expression y - (-3y)

Answers

Answer:

4y

Step-by-step explanation:

y - (-3y)

y + 3y

4y

When you see two negatives they basically become an addition symbol. In this case you then add the like terms which are y and 3y to get 4y. Hope this helps!!

Two companies A and B are offering 70 and 50 products respectively. Company A is offering 40 software products and 30 hardware products. Company B is offering x hardware products and y software products to be determined. If a product is selected at random, what is the probability that (a)This product is a hardware product given that is from company B? (in terms of y) (b)This product is a hardware product given that is from company A? (C) For what values of y will the probability in part (a) be greater than the probability in part (b)?

Answers

The probability that the selected product is a hardware product given that is from company B is x/50.

The probability that the selected product is a hardware product given that is from company A is 3/7.

The value of x must be greater than 21 so that the probability in part (a) is greater than the probability in part (b).

What is probability?

It is the chance of an event to occur from a total number of outcomes.

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

We have,

Company A:

Total product = 70

Software product = 40

Hardware product = 30

Company B:

Total product = 50

Software product = y

Hardware product = x

The probability that the selected product is a hardware product given that is from company B.

= x/50 ____(1)

The probability that the selected product is a hardware product given that is from company A.

= 30/70

= 3/7 _____(2)

From (1 ) and (2) we get,

x/50 > 3/7

x > 3/7 x 50

x > 21

Thus,

The probability that the selected product is a hardware product given that is from company B is x/50.

The probability that the selected product is a hardware product given that is from company A is 3/7.

The value of x must be greater than 21 so that the probability in part (a) is greater than the probability in part (b).

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(
2
x
4
+
5
x
3
+
8
x
+
24
)
÷
(
x
+
2
)

Answers

Answer:

47 + 8x

 x + 2

_________________________

Excluded values answer:

x = -2

Step-by-step explanation:



1. Eighty-nine percent of Americans polled are in favor of arts education being taught in public

schools.

a. Does the above numerical value describe a parameter or a statistic?

b. After reading the above statement, you decide to campaign for the arts in education and

use the statement: "A majority of Americans are in favor of art education, which shows

their love of arts. Americans support ballet teaching in public schools." What branch of

statistics would you be applying?

Answers

Answer:

a. parameter

b. descriptive statistics

Step-by-step explanation:

The values of the population charactersitics are summarized by certain numerical descriptive measures called parameters.

The observations composing a sample are used to calculate a corresponding numerical descriptive measure called a statistic.

a. The percent of Americans is of a population and therefore it is a parameter not a statistics.

b. Descriptive statistics deals with the collection, summarization and display of data.

Inferential statistics deals with conclusions drawn based on a sample.

This is descriptive statistics because it is displaying of data collected from a population of America.

d = √(x2 - x1)2 + (y2 - y1)2, what is the distance between point (3, 2) and point (5, 4) rounded to nearest 10th

Answers

The distance between the is 3m

PLS HELP ME
The function f(x) = -3(2)²+¹ +90 represents the number of tokens a child has x hours after arriving at an arcade.
What is the practical domain and range of the function?
Enter your answer by filling in the boxes to correctly complete the statements. If necessary, round to the nearest hundrea
The practical domain of the situation is x
Basic
The practical range of the situation is 90
A
O

PLS HELP METhe function f(x) = -3(2)+ +90 represents the number of tokens a child has x hours after arriving

Answers

Answer:

Practical domain:  0 ≤ x ≤ 3.907Practical Range: 0 ≤ y ≤ 84 where y is an integer, so we have the set {0,1,2,...,83,84}

The 3.907 is approximate.

====================================

Explanation:

x = number of hours that elapse

y = f(x) = number of tokens

If we use a graphing tool like a TI84 or GeoGebra, then the approximate solution to -3(2)^(x+1) + 90 = 0 is roughly x = 3.907

At around 3.907 hours is when the number of tokens is y = 0. Therefore, this is the approximate upper limit for the domain. The lower limit is x = 0.

The domain spans from x = 0 to roughly x = 3.907, and we shorten that down to 0 ≤ x ≤ 3.907

------------

Plug in x = 0 to find y = 84. This is the largest value in the range.

The smallest value is y = 0.

The range spans from y = 0 to y = 84, so we get 0 ≤ y ≤ 84

Keep in mind y is the number of tokens. A fractional amount of tokens does not make sense, so we must have y be a whole number 1,2,3,...,83,84.

The x value can be fractional because 3.907 hours for instance is valid.

------------

Extra info:

The function is decreasing. It goes downhill when moving to the right.The points (0,84) and (1,78) and (2,66) and (3,42) are on this exponential curve.A point like (2,66) means x = 2 and y = 66. It indicates: "after 2 hours, they will have 66 tokens remaining".

b) In a certain weight lifting machine, a weight of 1 kN is lifted by an effort of 25 N. While the weight moves up by 100 mm, the point of application of effort moves by 8 m. Find mechanical advantage, velocity ratio and efficiency of the machine​

Answers

The mechanical advantage of the given machine is 40, Velocity ratio is 80 and efficiency is 0.5.

The given question is concerned with finding the mechanical advantage, velocity ratio and efficiency of a weight lifting machine.

The problem has provided the following information:

Weight of the object, W = 1 kN = 1000 NEffort applied, E = 25 NHeight through which the object is lifted, h = 100 mm = 0.1 m Distance through which the effort is applied, d = 8 m

We know that, mechanical advantage = load/effort = W/E and velocity ratio = distance moved by effort/distance moved by the load.Mechanical advantage

The mechanical advantage of the given machine is given by; Mechanical advantage = load/effort = W/E= 1000/25= 40Velocity ratioThe velocity ratio of the given machine is given by;

Velocity ratio = distance moved by effort/distance moved by the load.= d/h = 8/0.1= 80EfficiencyThe efficiency of the given machine is given by;

Efficiency = (load × distance moved by load) / (effort × distance moved by effort)Efficiency = (W × h) / (E × d)= (1000 × 0.1) / (25 × 8)= 0.5

Therefore, the mechanical advantage of the given machine is 40, velocity ratio is 80 and efficiency is 0.5.

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Rumus suatu fungsi di nyatakan dengan f (x) = 2x + 5. Jika f(a) = 7, nilai a adalah

Answers

Step-by-step explanation:

As my previous answer got deleted for being wrong (in which it was right), I will answer again.

The answer is 1. Why? Just plug it into the equation. F(1) = 2(1) + 5 = 7.

This is proof that it is right, and that there are some corrupt admins on brainly.

How to get to this solution?

Well notice how we are given what f(a) is. It is 2a + 5. So plug this in for f(a).

If we do so, we get 2a + 5 = 7.

Solving this equation, we get a = 1.

Together, Steve and Tom sold 125 raffle tickets for their school. Steve sold 17 more than three times as many raffle tickets as Tom. How many raffle tickets did each boy​ sell?

Answers

Tom sold 27 raffle tickets and Steve sold 98 raffle tickets.

What is an equation?

Two algebraic expressions having the same value and symbol '=' in between are called an equation.

Given:

Together, Steve and Tom sold 125 raffle tickets for their school.

Steve sold 17 more than three times as many raffle tickets as Tom.

Let s be the number of raffle tickets sold by Steve and t be the raffle tickets sold by Tom.

So,

3t + 17 + t = 125

4t = 108

t = 27

And s = 98

Therefore, Steve sold 98 and Tom sold 27 tickets.

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You are given that z > 2. Write an inequality for each expression.
a) 2z+ 9
b) 3(z - 4)
c) 4+2z
d) 5(3z-2)

Answers

a) The inequality for the expression 2z + 9 is 2z + 9 > 13.

b) The inequality for the expression 3(z - 4) is 3z - 12 > -6.

c) The inequality for the expression 4 + 2z is 4 + 2z > 8.

d) The inequality for the expression 5(3z - 2) is 15z - 10 > 20.

a) To write an inequality for the expression 2z + 9, we can multiply the given inequality z > 2 by 2 and then add 9 to both sides of the inequality:

2z > 2 * 2

2z > 4

Adding 9 to both sides:

2z + 9 > 4 + 9

2z + 9 > 13

Therefore, the inequality for the expression 2z + 9 is 2z + 9 > 13.

b) For the expression 3(z - 4), we can distribute the 3 inside the parentheses:

3z - 3 * 4

3z - 12

Since we are given that z > 2, we can substitute z > 2 into the expression:

3z - 12 > 3 * 2 - 12

3z - 12 > 6 - 12

3z - 12 > -6

Therefore, the inequality for the expression 3(z - 4) is 3z - 12 > -6.

c) The expression 4 + 2z does not change with the given inequality z > 2. We can simply rewrite the expression:

4 + 2z > 4 + 2 * 2

4 + 2z > 4 + 4

4 + 2z > 8

Therefore, the inequality for the expression 4 + 2z is 4 + 2z > 8.

d) Similar to the previous expressions, we can distribute the 5 in the expression 5(3z - 2):

5 * 3z - 5 * 2

15z - 10

Considering the given inequality z > 2, we can substitute z > 2 into the expression:

15z - 10 > 15 * 2 - 10

15z - 10 > 30 - 10

15z - 10 > 20

Therefore, the inequality for the expression 5(3z - 2) is 15z - 10 > 20.

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Find the first five terms of the sequence
defined recursively as follows: t₁ = 1,
tn = 3(t(n-1)), n≠1, n is a natural number.

Answers

Answer:

1, 3, 9, 27, 81

Step-by-step explanation:

using the recursive rule

\(t_{n}\) = 3 \(t_{n-1}\) with t₁ = 1 , then

t₂ = 3 × t₁ = 3 × 1 = 3

t₃ = 3 × t₂ = 3 × 3 = 9

t₄ = 3 × t₃ = 3 × 9 = 27

t₅ = 3 × t₄ = 3 × 27 = 81

the first 5 terms are 1, 3, 9, 27, 81

Marco wants to know how much the other students in his mathematics class study. He recorded the data he collected in
the following table.
Time spent studying per week (in hours)
2.0
5.0
1.0
2.5
2.5
3.5
0.0
4.5
2.5
4.0
3.5
3.0
2.0
1.5
4.0
2.0
0.5
3.0
1.0
3.0
3.5
1.5

1. Construct a histogram for the data.

Marco wants to know how much the other students in his mathematics class study. He recorded the data

Answers

Answer:

Step-by-step explanation:

This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts.

21​% of U.S. adults say they are more likely to make purchases during a sales tax holiday. You randomly select 10 adults. Find the probability that the number of adults who say they are more likely to make purchases during a sales tax holiday is​ (a) exactly​ two, (b) more than​ two, and​ (c) between two and​ five, inclusive.

Answers

Answer:

\(\left(a\right)\ 21.066\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \left(b\right)\ 66.872\\ \left(c\right)\ 81.567\)

Step-by-step explanation:

\(\left(a\right)\ P\left(2\right)=C^{\begin{matrix}2\\10\\\end{matrix}}\bullet(32)^2\bullet(1-32)^{10-2}\\ =C^{\begin{matrix}2\\10\\\end{matrix}}\bullet(32)^2\bullet(68)^8=0.21066=21.066\) \(percent\)

\(cb)\ P(x > 2)=P(x\le2)=1-(P(x=0)+P(x=1)+P(x=2))\\ =1-C^{\begin{matrix}0\\10\\\end{matrix}}(0.32)degrees(0.68)^{10}-C^{\begin{matrix}1\\10\\\end{matrix}}(0.32)\prime(0.68)^9-C^{\begin{matrix}1\\0\\\end{matrix}}(008)(66)^9\\ =1-0.02114-0.09948-0.21066\\ =0.66872=66.872\\\)

\((C)\ \ \ \ \ P(2\preccurlyeq\) \(5)=P(2)+P(3)+P(4)+P(5)5)=P(2)+P(3)+P(4)+P(5)\)

\(=C^{\begin{matrix}2\\10\\\end{matrix}}(0.32)^{)^2}\bullet(0.68)^3+C^{\begin{matrix}3\\10\\\end{matrix}}(0.32)^3\bullet(0.68)^7+C^{\begin{matrix}4\\10\\\end{matrix}}(0.32)^4\bullet(0.68)^6+C^{\begin{matrix}5\\10\\\end{matrix}}\bullet(0.32)^5\bullet(0.65)^5)\)

\(=0.2186+0.26436+0.21771+0.12294\\ =0.81567=81.567 percent\)

\((binomial\ distribution)\)

I hope this helps you

:)

PLS HELP ME
The smallest hummingbird is the Bee hummingbird. It has a mass of about 1
1
4
grams. The mass of a larger type of hummingbird is about 6 times the mass of the Bee hummingbird.

What is the mass of the larger hummingbird?

Answers

Answer:

The mass of the larger hummingbird is 7 1/2 or 15/2.

Step-by-step explanation:

Bee hummingbird = 1 1/4g

Larger hummingbird = 6x that

So,

1 1/4 x 6 = 7.5

7.5 as fraction = 7 1/2 or 15/2


A school principal wants to find out if his school needs more bike racks. A survey is taken of 30 students who
ride their bikes to school. Why might the sample be blased?

Answers

Answer: This sample may be biased because he is only asking the bike riders when in reality there might be a majority of students who instead take an alternate form of transportation

Step-by-step explanation:

Which percent is equivalent to 2 5/6?

Answers

Answer: 283.3333333% (283.3%)

Step-by-step explanation:

First, lets turn 2 5/6 into and improper fraction. It becomes 17/6.

Now, we divide 17/6

17/6 = 2.833333333

Now, to turn it into a percent, we multiply it by 100, or move the decimal point 2 places to the right. That gives us 283.3333333% (283.3%)

Hope this helps!

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