Answer: \(3^{14}\)
Step-by-step explanation:
\(\frac{3^{9} }{3^{-5} }\)
Properties of exponents (negative exponent) says that a term can be moved from the numerator to the denominator and vice versa by flipping the sign.
So,
\(\frac{1}{3^{-5} } =3^{5}\)
Properties of exponents (Product Rule) also say that
\(a^{x} *a^{y} = a^{x+y}\)
So,
\(3^9*3^5=3^{9+5} =3^{14}\)
Another way to solve this is simply using the Properties of exponents (Quotient Rule) which states
\(a^{x} /a^{y} =a^{x-y}\)
So,
\(\frac{3^{9} }{3^{-5} }=3^{9-(-5)} =3^{14}\)
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How did British actions after the French and Indian War create problems among the colonists?
in a science experiment, Judah is tracking the height of a small tree. At the beginning, the tree measured 32 inches. Six weeks later, The tree measures 36 inches. What is the percent increase in the tree's height? Please help!.
We can say that the tree's height increased by 12.5% over the course of the six-week experiment.
To calculate the percent increase in the tree's height, we need to find the difference between its new height and its old height, and then express that difference as a percentage of the old height.
We start with the formula:
percent increase = (new value - old value) / old value * 100%
In this case, the old value is the height of the tree at the beginning of the experiment, which is 32 inches. The new value is the height of the tree six weeks later, which is 36 inches.
So, plugging in those values, we get:
percent increase = (36 - 32) / 32 * 100%
Simplifying this expression gives us:
percent increase = 4 / 32 * 100%
And when we evaluate that expression, we get:
percent increase = 12.5%
Therefore, the percent increase in the tree's height is 12.5%.
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Ms.Jackson went to the local market to buy 50 pieces of fruit. Out of the 50 pieces of fruit she bought, 14 were apples. What fraction, decimal, and percent is equivalent to the amount of apples that Ms.Jackson bought?
A 7/25, 0.28, 28%
B 7/50, 0.7, 7%
C 7/25, 0.7, 28%
D 7/50, 0.28, 7%
Answer:
A
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Colin borrowed 4200 at 8% simple interest to be paid back in 3 years. How much interest will he pay
Answer:
Answer 1008
Step-by-step explanation:
What is the distance between (-4, 15) and (24,-7)?
Round your answer to the nearest tenth.
How many meters are in 7 kilometers?
The Function approximate the velocity (in feet per second) of an object dropped from a height of x feet
right before it hits the ground on Earth and on Mars.
Earth: E(X) = 8V
Mars: M(x) = 0.6(E(x))
What is the velocity of an object dropped from a height og 25 feet right before it hits the ground on
Mars?
Answer:
The answer to the question is
It take for the golf ball hit on Mars to reach the ground 8.284 s longer.
Step-by-step explanation:
To Solve the question, we note that the equation of motion is given to us as
h = -1.9·t² + 26·t
Therefore the height
We compare the above equation with the equation of of motion
S = ut - 0.5×g×t² where u = initial velocity = 26 m/s and - 0.5×g = -1.9
Therefore the acceleration due to gravity om mars = -1.9/-0.5 = 3.8 m/s²
We now have the time taken to maximum height given by
v = u - g·t where v = 0 at maximum height
We therefore have u = g·t → 26 = 3.8×t or t = 26/3.8 = 6.84 seconds
The time taken for ball to hit the ground is 2 × the time to reach maximum height = 2 × 6.84 = 13.684 s
The time longer it takes for the ball on Mars to complete the path up to maximum height and down again is 13.684 s - 5.4 s = 8.284 s.
The surface area of the solid cone requiring paint rounded to the nearest whole number is how many square centimeters?
In order to calculate the surface area of the cone, first let's calculate its slant height.
If the diameter is 5 cm, the radius is 2.5 cm. Now, using the Pythagorean theorem, we can calculate the slant height s:
\(\begin{gathered} s^2=h^2+r^2 \\ s^2=11.4^2+2.5^2 \\ s^2=129.96+6.25 \\ s^2=136.21 \\ s=11.67\text{ cm} \end{gathered}\)Now, we can calculate the surface area using the formula below:
\(\begin{gathered} S=\pi rs+\pi r^2^{} \\ S=\pi\cdot2.5\cdot11.67+\pi\cdot2.5^2 \\ S=29.175\pi+6.25\pi \\ S=35.425\pi \\ S=111.29\text{ cm}^2 \end{gathered}\)Rounding to the nearest square centimeter, we have a surface area of 111 cm².
Four less than the product of a number (x)
and 5 is equal to 8 more than 2 added to
3 times the number. Which of these equa-
tions could be used to find the value of x?
Answer: The equation used to find the value of x is 5x - 4 = 3x + 10. The value of x is determined to be 7.
Step-by-step explanation:
Four less than the product of a number (x) and 5 = 5x - 4
8 more than 2 added to 3 times the number = 3x + 2 + 8 = 3x + 10
Four less than the product of a number (x) and 5 is equal to 8 more than 2 added to 3 times the number => 5x - 4 = 3x + 10
5x - 3x = 10 + 4
2x = 14
x = 14/2
therefore, x = 7
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26
11°
X
130
(Round the answer to the nearest hundredth.)
The length of side x is
15319
Gaveart
067295
The length of side x is approximately 24.87, rounded to the nearest hundredth.
how can we find side of the triangle?
To find the length of side x, we can use the sine function, which relates the opposite side to an angle to the hypotenuse:
sin(11°) = opposite side/hypotenuse
Rearranging this equation, we get:
opposite side = sin(11°) * hypotenuse
We know that the hypotenuse has a length of 130, so we can substitute that in:
opposite = sin(11°) * 130
Using a calculator, we can evaluate sin(11°) to be approximately 0.1919, so we can substitute that in as well:
opposite = 0.1919 * 130
Simplifying this expression, we get:
opposite ≈ 24.87
Therefore, the length of side x is approximately 24.87, rounded to the nearest hundredth.
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Consider rolling a single six-sided doe and recording the results. Let set A be the event of rolling a number greater than 4 and let set B be the complement of set A
The sets are solved and the compliment of set A = set B
Given data ,
A: Rolling a number greater than 4.
B: The complement of event A (i.e., not rolling a number greater than 4).
Given that we are rolling a single six-sided die, we have the following possible outcomes: {1, 2, 3, 4, 5, 6}.
Event A consists of the outcomes {5, 6} because those are the numbers greater than 4.
The complement of event A, event B, consists of the outcomes {1, 2, 3, 4} because those are the numbers not greater than 4.
Hence , set A = {5, 6} and set B = {1, 2, 3, 4}
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6 - 7x
a) constant binomial
b) linear binomial
c) quadratic binomial
d) cubic trinomial
Answer:linear binomial
Step-by-step explanation:
Answer:
B) Linear binomial.
Step-by-step explanation:
????
Rewrite each expression in exponential form or radical form. Identify the key features.
f(x) = 8(21)
(2³)*
f(x)= 8/23
f(x) =
2.
Initial value:
Radical base:
Domain:
Range:
3. f(x)=(√10) Initial value:
Exponential base:
Domain:
Range:
f(x) = 8/2^3
Rewritten in radical form: f(x) = 2^(3/2)
How to solvef(x) = 8(21)
Rewritten in exponential form: f(x) = 2^3 * 21
Key features:
Initial value: 2^3
Exponential base: 21
Domain: All real numbers
Range: All real numbers greater than 0
f(x) = 8/2^3
Rewritten in radical form: f(x) = 2^(3/2)
Key features:
Initial value: 2^(3/2)
Radical base: 2
Domain: All real numbers
Range: All real numbers greater than 0
f(x) = (√10)
Rewritten in exponential form: f(x) = 10^(1/2)
Key features:
Initial value: 10^(1/2)
Exponential base: 10
Domain: All real numbers
Range: All real numbers greater than 0
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Question 1
Assume that a procedure yields a binomial distribution.
n = 48 p = 0.44. Find the mean.
Answer:
The mean is 21.12.
Step-by-step explanation:
Binomial probability distribution
Probability of exactly x successes on n repeated trials, with p probability.
The expected value of the binomial distribution is:
\(E(X) = np\)
In this question:
\(n = 48, p = 0.44\)
Mean:
\(E(X) = np = 48(0.44) = 21.12\)
The mean is 21.12.
Amber got demoted, and her hourly rate decreased from $10.25 to $9. What is the percent
decrease?
Answer:
9.3275
Step-by-step explanation:
Answer:
The percent decrease is 12.20%
Step-by-step explanation:
$10.25 - $9 / $10.25 * 100% = 12.19512195121951 = 12.20%
Two sides of a triangle are equal in length, and the third side is 5 less than the length of the equal sides. If the perimeter of the triangle is 49, how long are its sides?
Answer:
sides 1 & 2 = 14 2/3 or 14.6667, side 3 = 9 2/3
Step-by-step explanation:
2x + (x-5) = 49
3x - 5 = 49
3x =44
x = 14 2/3
100 POINTS!!!!!!! I WILL GIVE BRAINLIEST!
YOU MUST SHOW YOUR WORK OR I WILL NOT GIVE BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
In the morning, Jasmine biked to her grandma's house in 45 minutes. When she was biking back home in the evening it was foggy and she went 4 mph slower. The trip back took her 1 hour and 10 minutes. How far from her house does her grandmother live?
Answer:
8.4 milesStep-by-step explanation:
Let the speed in the morning be s, then in the evening it is s - 4
The distance is equal both directions:
45 min *s = 1 hr 10 min *(s - 4)Time in hours:
45*1/60*s = (1 + 10*1/60)(s - 4)3/4s = 7/6s - 7/6*4Multiply all terms by 12 to clear fraction:
9s = 14s - 565s = 56s = 56/5s= 11.2 mphThe distance is:
3/4*11.2 = 0.75*11.2 = 8.4 milesAnswer:
the answer is 8.4
Step-by-step explanation:
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Identify two different triangles in the image above. Are the triangles similar? Explain your reasoning
First triangle: AEB
Second triangle: ADE
Since there are 2 parallel lines, they divide the Sides AD and AC proportionally.
And also the corresponding angles are congruent.
The triangles are similar,
ΔAEB is similar to ΔADC
L EAB = L DAC
L AEB = L ADC
L ABE = L ADC
Yoko made $306 for 18 hours of work.
At the same rate, how much would she make for 8 hours of work?
What’s the answer I need help
Answer:
$136.
Step-by-step explanation:
Divide how much they made by the # of hours. 306/18=17. Multiply the amount per hour 17 by the 8 hours of work. 17x8=136.
If a household is saving 30% of their total bi-weekly gross pay of $2,051.00, determine how many months it will take to save a 20% down payment and 1.5% for closing costs for a property with a purchase price of $281,700.00.
45
46
54
55
(25 POINTS)
Based on the amount saved per week and the down payment of the property, the number of months it will take to save the amount is 46 months.
How long will it take for the family to save the amount?First, find out the amount saved per month:
= (30% x 2,051) x 2 payments a month
= $1,230.60
The downpayment is:
= 281,700 x 20%
= $56,340
The closing cost is:
= 1.15 x 56,230
= $843.45
The number of months till the amount is saved is:
= (56,340 + 843.45) / 1,230.60
= 46 months
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what is (1/2 + isqrt3/2)^5?
Answer:
\((\frac{1}{2}+\frac{\sqrt{3}}{2}i)^5=\frac{1}{2}-\frac{\sqrt{3}}{2}i\)
Step-by-step explanation:
Convert 1/2 + i√3/2 to rectangular form
\(\displaystyle z=a+bi=\frac{1}{2}+\frac{\sqrt{3}}{2}i\\\\r=\sqrt{a^2+b^2}=\sqrt{\biggr(\frac{1}{2}\biggr)^2+\biggr(\frac{\sqrt{3}}{2}\biggr)^2}=\sqrt{\frac{1}{4}+\frac{3}{4}}=\sqrt{1}=1\\\\\theta=\tan^{-1}\biggr(\frac{b}{a}\biggr)=\tan^{-1}\biggr(\frac{\frac{\sqrt{3}}{2}}{\frac{1}{2}}\biggr)=\tan^{-1}(\sqrt{3})=\frac{\pi}{3}\\\\z=\cos\frac{\pi}{3}+i\sin\frac{\pi}{3}\)
Use DeMoivre's Theorem
\(\displaystyle z^n=r^n(\cos(n\theta)+i\sin(n\theta))\\\\z^5=1^5\biggr(\cos\biggr(\frac{5\pi}{3}\biggr)+i\sin\biggr(\frac{5\pi}{3}\biggr)\biggr)\\\\z^5=\frac{1}{2}-\frac{\sqrt{3}}{2}i\)
HELP ASAP!! 50 POINTS!!!(picture included) What are the solutions to the system of equations?
Sy = 2:2 - 4x + 8
y=-22 +11
(-1,3) and (5, 13)
0 (-1, 13) and (3,5)
0 (-1, 1) and (-5, -13)
O (1,5) and (3, 13)
Answer:
B. (-1, 13) and (3, 5)Step-by-step explanation:
Solve by elimination:
x² - 4x + 8 = -2x + 11x² - 2x = 3x² - 2x + 1 = 4(x - 1)² = 2²x - 1 = 2 ⇒ x = 3x - 1 = -2 ⇒ x = -1Find values of y:
y = -2(3) + 11 = 5y = -2(-1) + 11 = 13The pairs are:
(3, 5) and (-1, 13)Correct choice is B
Need help please on this one
Answer:
a=61
Step-by-step explanation:
3a-63=a+59
2a-63=59
2a=122
a=61
Select the correct answer.
Which statement correctly compares the graph of function g with the graph of function ??
FE) = e²-
g(x) = ² - 4
O A.
OB.
O C.
O D.
The graph of function g is a horizontal shift of the graph of function to the right.
The graph of function g is a vertical stretch of the graph of function f.
The graph of function g is a vertical compression of the graph of function f.
The graph of function g is a horizontal shift of the graph of function f to the left.
Reset
Next
A statement that correctly compares the graph of function g with the graph of function f include the following: C. The graph of function g is a vertical compression of the graph of function f.
What is a dilation?In Mathematics and Geometry, a dilation is a type of transformation which typically transforms the dimension (size) or side lengths of a geometric object, without affecting its shape.
Therefore, the dimension or side lengths of the dilated geometric object would be stretched or compressed (shrunk) depending on the scale factor that is applied.
When the parent function \(f(x) = e^x -4\) is vertically compressed by a scale factor of 1/2, the transformed function g(x) is given by the following equation;
g(x) = kf(x)
g(x) = 1/2f(x)
\(g(x) = \frac{1}{2} e^x -4\)
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DD.6 Find side lengths of similar figures
7ZR
You have prizes to reveal!
Go to your game board.
or
If these two shapes are similar, what is the measure of the missing length d?
1 mi
d
6 mi
12 mi
d =
miles
Finn would run 18 miles after 6 track practices.
We have,
Generally, A unit rate is a ratio of two measurements with a denominator of 1. To find the number of miles Finn would run after 6 track practices, we can use the unit rate of miles per practice to multiply by the number of practices.
Unit rate: 6 miles / 2 practices = 3 miles per practice
To find the total number of miles Finn would run after 6 practices, we can multiply the unit rate of 3 miles per practice by the number of practices, 6.
Total miles: 3 miles/practice * 6 practices = 18 miles
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HELP CANT FIND ANSWER ANYWHERE EDGE ASAP
Answer:
I'm pretty sure its -2 if not i don't know so sorry.
Step-by-step explanation:
r3 – [q + (r – s)2 ]
The expression is simplified to r²( r + 1) - (q - s²)
What are algebraic expressions?Algebraic expressions are mathematical expressions made up of variables and constants.
They are mostly made up of algebraic operations such as addition, subtraction, division, multiplication, bracket, parenthesis, etc
Given the expression;
r3 – [q + (r – s)2 ]
With the knowledge of BODMAS, we expand the bracket
r³ - q + ( r + s²)
r³ - q + r² - s²
Now, let's collect like terms
r³ + r² - q - s²
(r³ + r²) - (q - s²)
Factor out r, we then have;
r²( r + 1) - (q - s²)
The expression is simplified to r²( r + 1) - (q - s²)
Thus, the expression is simplified to r²( r + 1) - (q - s²)
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select all the Transformations that preserve angle measure and segment lengths
Transformations that preserve angle measure and segment lengths are:
• similarity
,• translation
,• rotation
,• reflection
,•
ERROR ANALYSIS Describe and correct the error in finding the area of the circle. X c 12 ft A = π(12)² = 144T 452.39 ft²
The error that was made in finding the area of the circle is that diameter was used for radius. The correct area of the circle is: 113.10 ft²
What is the Area of the Circle?The formula for area of a circle is expressed as:
A = πr²
where:
A is Area
r is radius
From the given circle, we are given the diameter as 12.
But radius = diameter/2 = 12/2
radius = 6
Thus, the error is that they used the diameter as radius.
Correct area of circle = π * 6²
= 36π
= 113.10 ft²
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Graph the system of inequalities. Then use your graph to identify the point that
represents a solution to the system.
x + y2 3
x-3y< 2
(6, 1)
(8,-1)
(6,2)
O (6,-2)
The coordinates in the solution to the systems of inequalities graphically is (6, 2)
Solving the systems of inequalities graphicallyFrom the question, we have the following parameters that can be used in our computation:
x + y > 3
x - 3y < 2
Next, we plot the graph of the system of the inequalities
See attachment for the graph
From the graph, we have solution to the system to be the shaded region
The coordinates in the solution to the systems of inequalities graphically is (6, 2)
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