Please someone help me this is super easy I just forgot how to do it

9. Yes, since \(8+12>16\), meaning the side lengths satisfy the triangle inequality.

10. No, since \(5+7<20\), meaning the side lengths do not satisfy the triangle inequality.

Answer:

you have 33.3% percent error

Step-by-step explanation:

Answer:

f = - 2.7

Step-by-step explanation:

15 + 10f = -12

10f = -12 - 15

f = -27/10

f = - 2.7

a. The probability that the fifth draw gives the first white ball is 0.01.

b. The probability that 2 of the 5 drawn balls are white is 0.3456.

c. The probability that it takes more than 5 draws to get a white ball is 0.32768.

a. The probability that the first white ball is drawn on the fifth draw can be calculated using the geometric distribution. Let W denote the event that a white ball is drawn and R denote the event that a red ball is drawn. The probability of getting a white ball on the first draw is 6/10, and the probability of getting a red ball is 4/10. Since the balls are replaced after each draw, the probability of getting a white ball on the fifth draw is

P(W on the 5th draw) = P(R, R, R, R, W) = (4/10)^4 × (6/10) = 0.01

b. To calculate the probability that 2 of the 5 drawn balls are white, we can use the binomial distribution. Let X denote the number of white balls drawn out of 5. Then, the probability of drawing 2 white balls out of 5 is:

P(X = 2) = (5 choose 2) × (6/10)^2 × (4/10)^3 = 0.3456

c. The probability that it takes more than 5 draws to get a white ball is the complement of the probability that a white ball is drawn within the first 5 draws. This can also be calculated using the geometric distribution

P(more than 5 draws to get a white ball) = 1 - P(W on or before 5th draw)

= 1 - P(R, R, R, R, W) - P(R, R, R, W) - P(R, R, W) - P(R, W) - P(W)

= 1 - (4/10)^4×(6/10) - (4/10)^3×(6/10) - (4/10)^2×(6/10) - (4/10)×(6/10) - (6/10)

= 0.32768

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The correct option that describes the quadrilateral TUVW is trapezoid.

A trapezoid is a quadrilateral with two parallel sides. The parallel sides are called the bases of the trapezoid, and the other two sides are called the legs. The distance between the two bases is called the height of the trapezoid.

Trapezoids can be classified into different types based on the lengths of their sides and angles. A trapezoid with no equal side length is called a scalene trapezoid. A scalene trapezoid has two non-parallel sides of different lengths and two parallel sides (bases) of different lengths.

In conclusion, the quadrilateral TUVW is a scalene trapezoid as it has no equal side length.

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Answer: 70%

Step-by-step explanation:

Number of pieces of candy was set out at a wedding reception = 600

Number of candy left in the jar = 180

Number of candy taken = 600 - 180 = 420

The percentage of candy taken will be:

= 420 / 600 × 100

= 70%

Hey there!

Answer:

336.84%

3200 out of 950 is 336.84%

Solution:

3200 out of 950 is what %?

3200 out of 950 is P%

Equation: Y/X = P%

Solving our equation for P

P% = Y/X

P% = 3200/950

p = 3.3684

Convert decimal to percent:

P% = 3.3684 * 100 = 336.84%

well, if we take 3200 to be the 100%, what is 950 off of it in percentage?

\(\begin{array}{ccll} amount&\%\\ \cline{1-2} 3200 & 100\\ 950& x \end{array} \implies \cfrac{3200}{950}=\cfrac{100}{x}\implies \cfrac{64}{19}=\cfrac{100}{x} \\\\\\ 64x=1900\implies x=\cfrac{1900}{64}\implies x = 29.6875\)

Answer:  \(a = b^2\)

Reason:

Square both sides to undo the square root.

\(\sqrt{a} = b\\\\\left(\sqrt{a}\right)^2 = b^2\\\\a = b^2\\\\\)

Answer:

\(a=b^{2}\)

Step-by-step explanation:

square both equations:

\(\sqrt{a}^{} =b^{}\)

\(\sqrt{a}^{2} =b^{2}\)

square and square root cancel out:

\(a=b^{2}\)

We will select the third row from the pascal triangle to expand the binomial expression   (22³ + 3y²)²  which is equal to

                     (22³ + 3y²)² = 22⁶ + 63888y² + 9y⁴

We know that when we need to expand the expression (a + b)² we select the coefficients from the row of triangle beginning with 1,2 which is (1,2,1).

And when we write the expansion we note that with each new term we decrease the power of a and increase the power of b.

Thus the expansion can be written as

    (a + b)² = 1a² + 2ab + 1b²

which we normally write as

     (a + b)² = a² + 2ab + b²          (1)

According to the question we have been the expression as

(22³ + 3y²)² which is equal to the above expression where,

              a = 22³   and   b = 3y²

Putting the required values in equation (1) we get

      (22³ + 3y²)² =   (22³)² + 2(22³)(3y²) + (3y²)²

                         = 22⁶ + 63888y² + 9y⁴

Hence we will select the third row from the pascal triangle to expand the binomial expression   (22³ + 3y²)²  which is equal to

                     (22³ + 3y²)² = 22⁶ + 63888y² + 9y⁴

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There are nC2 different votes possible, where n is the number of bands on the list and nC2 represents the number of ways to choose 2 bands out of n.

To calculate nC2, we can use the formula for combinations, which is given by n! / (2! * (n-2)!), where ! represents factorial.

Let's say there are m bands on the list. The number of ways to choose 2 bands out of m can be calculated as m! / (2! * (m-2)!). Simplifying this expression further, we get m * (m-1) / 2.

Therefore, the number of different votes possible is m * (m-1) / 2.

In the given scenario, we don't have the specific number of bands on the list, so we cannot provide an exact number of different votes. However, you can calculate it by substituting the appropriate value of m into the formula m * (m-1) / 2.

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Answer:

Climax:  11,560. Calipatria: 185 Calipatra is closer by 11,375ft

Step-by-step explanation:

Climax is 11,560ft above sea level, which means it is 11,560ft away from sea level. Calipatria 185ft away from sea level by the same logic. The one whih is closer to sea level would be the smaller number, which would be 185, and how much closer would be 11,560-185= 11,560.

If you're wondering why the 185 isn't negative, it's because the question is asking how far away from zero the numbers are, so you would take the absolute value of -185 which would be 185.

Answer:

0 or none

Step-by-step explanation:

jump the number line

Answer:

Step-by-step explanation:

Answer: B and A

Step-by-step explanation:

(X+3)2 = 2×x + 2×3

= 2x + 6

Likewise

2(x+3) = 2×x +. 2×3

= 2x + 6

Hence they are both same

2.(X +3) still equivalent to 2x +6

If the number of samples is doubled while keeping the same confidence level, the confidence interval would change by a factor of 1/√2.

The formula for the confidence interval is:

CI = Z × (σ / √n)

Where:

CI is the confidence interval,

Z is the z-score corresponding to the desired confidence level,

σ is the standard deviation of the population, and

n is the sample size.

When the number of samples is doubled, n becomes 2n.

Plugging this into the formula, we get:

CI' = Z × (σ / √(2n))

Dividing CI' by CI to determine the change in the confidence interval:

CI' / CI = (Z × (σ / √(2n))) / (Z × (σ / √n))

CI' / CI = (√n / √(2n))

CI' / CI = √(n / (2n))

CI' / CI = √(1/2)

CI' / CI = 1/√2

Therefore, when the number of samples is doubled while keeping the same confidence level, the confidence interval would change by a factor of 1/√2 or approximately 0.707.

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switch the variables

x = -y + 6

x - 6 = -y

-x + 6 = y

If the original quantity is 8 and the new quantity is 2, then the correct answer is 75%.

For this question we need to subtract and multiply the numbers. We know that 2 = 25% of 8 so:

\(\boxed{8-2=6}\\\boxed{6/2=3}\)

We are going to take that 25% and multiply it with 3 to get are final answer.

\(\boxed{25*3=75}\\\boxed{So,2=75}\)

Therefore, If the original quantity is 8 and the new quantity is 2, then the correct answer is 75%.

Answer:

DUDE WHO GAVE YOU THIS WORK SHEET

Answer:

12x - 7 > 6

7 + 6 = 13

12x > 13

13 divided by 12 = 1.08

1.08 rounded to 2

Hope It helped!  

:) (pls brainly if it does :)

Answer:

I belive it is 1

Step-by-step explanation:

I am so sorry if it is wrong

The surface area of the rectangular prism is S = 174.4 cm²

Given data ,

The area of the triangular prism is A = ph + ( 1/2 ) bh

The side lengths of the prism are

a = 8 cm

b = 5.5 cm

c = 3.2 cm

Now , the surface area of the rectangular prism is

S = 2 ( ab + bc + ac )

On simplifying the equation , we get

S = 2 ( 8 ) ( 5.5 ) + 2 ( 5.5 ) ( 3.2 ) + 2 ( 8 ) ( 3.2 )

S = 88 + 35.2 + 51.2

S = 174.4 cm²

Hence , the surface area is 174.4 cm²

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Answer:

5/18

Step-by-step explanation:

(5/6)/3

5/6 X 1/3

5/18

Answer:

Explanation:

Terry bought 2 shirts for $14 each.

That is $28 on shirts

2 pair of socks for $2.99

That is $5.98 on socks

A pair of slacks for $25

The sales tax rate is 6.5% or 6.5/100 or 0.065

We want to know how much he paid.

Adding all the items he bought together, we have:

$28 + $5.98 + $25

= $58.98

Next, we apply the sales tax rate.

Take 6.5% of $58.98

This is: $58.98 * 0.065

= $3.83

Finally, add the sales tax with the amount we got

$58.98 + $3.83

= $62.81

He paid $62.81 in total

Answer:

  a = 1/2

Step-by-step explanation:

You want the solution to 3 +0.5(4a +8) = 9 −2a.

It usually works well to start by simplifying the equation. That is, you eliminate parentheses, combine like terms.

  3 +0.5(4a) +0.5(8) = 9 -2a

  3 + 2a +4 = 9 -2a

  7 +4a = 9 . . . . . . . . . add 2a

  4a = 2 . . . . . . . . . subtract 7

  a = 0.5 . . . . . . divide by 4

The value of a is 1/2.

__

Additional comment

The attached calculator output shows this value of 'a' satisfies the equation.

360 x 30

Express 30 as the product of 2 numbers:

30 = 10 x 3

(360 x 3 ) x 10

1,080 x 10

10,800

Therefore , the solution of the given problem of slope comes out to be

m =-1/5 and b =5 units.

The slope of a line determines how steep it is. A characteristic of a color filter equation is a gradient overflow. The horizontal distance disparities (run) between two points are divided by the average vertical differences (rise) between the exact two points to determine the slope. The equation y = mx + b, which is known as the hill type equation, is used to express the fixed path issue. If grading is m, a = b, and the line's y-intercept is located there (0, b).

Here,

Given :

From the given graph we get

Points(0,5)  and (1,0)

So,

Slope m = 1-0 /0-5

=> m= -1/5

and

For b

=> b = 5 units.

Therefore , the solution of the given problem of slope comes out to be

m =-1/5 and b =5 units.

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Answer:

Yes. They are similar because they have the same shape and one is just flipped and smaller.

Answer: Yes

Step-by-step explanation: For a quadrilateral to be similar, the angles must be congruent. This is true since the angle measures are the same since it flipped and dilated.

Answer:

Step-by-step explanation:

y=10

The complex numbers being added in this problem are listed as follows:

A complex number is a number that is composed by a real part and an imaginary part, as follows:

z = a + bi.

In which:

The number z1 has a real part of 2 and an imaginary part of -1, hence it is given as follows:

z1 = 2 - i.

The number z2 has a real part of -1 and an imaginary part of -3, hence it is given as follows:

z2 = -1 - 3i.

Hence the first option is the correct option for this problem.

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To express x and y in terms of trigonometric ratios of θ, we need to use the definitions of sine, cosine, and tangent ratios.

Let's assume that θ is an acute angle in a right triangle with hypotenuse of length 1. Then, we have:

sin θ = opposite/hypotenuse = y/1 = y
cos θ = adjacent/hypotenuse = x/1 = x
tan θ = opposite/adjacent = y/x

Therefore, we can express x and y in terms of trigonometric ratios of θ as follows:

x = cos θ
y = sin θ

Alternatively, if we are given the value of one trigonometric ratio and we need to find the others, we can use the Pythagorean identity:

sin^2 θ + cos^2 θ = 1

From this, we can derive:

cos^2 θ = 1 - sin^2 θ
sin^2 θ = 1 - cos^2 θ

And then use the definitions of tangent and cotangent ratios:

tan θ = sin θ/cos θ
cot θ = cos θ/sin θ = 1/tan θ

Hope this helps!
To express x and y in terms of trigonometric ratios of θ, we will use the basic trigonometric ratios: sine (sin), cosine (cos), and tangent (tan). In a right-angled triangle, we have:

1. sin(θ) = opposite side / hypotenuse
2. cos(θ) = adjacent side / hypotenuse
3. tan(θ) = opposite side / adjacent side

Assuming x is the adjacent side and y is the opposite side in relation to angle θ, and the hypotenuse is denoted by r, we can express x and y in terms of trigonometric ratios of θ as follows:

Step 1: Solve for x using the cosine ratio:
x = r * cos(θ)

Step 2: Solve for y using the sine ratio:
y = r * sin(θ)

So, x and y are expressed in terms of trigonometric ratios of θ as x = r*cos(θ) and y = r*sin(θ).

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Answer:

i think it's <C and <R since they're 90 degree angles, though they are small

The simplified expression of √(25x^4) is 5x^2

The statement is given as:

Simplify: \sqrt{25x^4}

Rewrite properly as:

Simplify: √(25x^4)

Split the radical

√(25x^4) = √(25) * √(x^4)

Take the square root of 25

√(25x^4) = 5 * √(x^4)

Take the square root of x^4

√(25x^4) = 5 * x^2

Evaluate the product

√(25x^4) = 5x^2

Hence, the simplified expression of √(25x^4) is 5x^2

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