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nevsk [136]
3 years ago
13

which statement below is represented by the correct ratio?Choose all that apply. for ever 50 shoppers 25 watermelons are sold

Mathematics
1 answer:
ASHA 777 [7]3 years ago
7 0
For every 50 shoppers, 25 watermelons are sold, so 50/25

Brainliest?
I'm trying to move up a rank and it would help!
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A triangle has one leg of 32 inches and one leg of 18 inches. For the triangle to be a right triangle, which best represents the
Marina CMI [18]

Answer:

The option <u> J 36.7 inches</u>  best represents the length of hypotenuse.

Step-by-step explanation:

<u><em>The question is incomplete, so below is the complete question:</em></u>

A triangle has one leg of 32 inches and one leg of 18 inches. For the triangle to be a right triangle, which best represents the length of the hypotenuse?

F 34.2 inches  G 36 inches  H 41.8 inches  J 36.7 inches.

Now, to find the hypotenuse.

Leg 1 = 32 inches.

Leg 2 = 18 inches.

Now, to get the hypotenuse we use pythagoras theorem:

(Leg1)^2+(Leg2)^2=(Hypotenuse)^2

(32)^2+(18)^2=(Hypotenuse)^2

1024+324=(Hypotenuse)^2

1348=(Hypotenuse)^2

Using square root on both sides we get:

36.7=Hypotenuse

Hypotenuse=36.7\ inches.

Therefore, the option J 36.7 inches best represents the length of hypotenuse.

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3 years ago
Callie evaluated the expression using the steps shown below.
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The answer is A, Callie incorrectly placed the decimal. The correct answer to the equation would be 19.886
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Name the expression
Ivenika [448]

Answer:

since 7 is raised to the power 0 the answer is

a) linear polynomial with zero terms

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Choose yes or no for both of these will give brainliest
Dmitriy789 [7]

Answer:

Yes

No

I hope this helps!

-Mikayla

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You are given the sample mean and the population standard deviation. Use this information to construct the​ 90% and​ 95% confide
FrozenT [24]

Question:

You are given the sample mean and the population standard deviation. Use this information to construct the​ 90% and​ 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. If​ convenient, use technology to construct the confidence intervals. A random sample of 45 home theater systems has a mean price of ​$114.00. Assume the population standard deviation is ​$15.30. Construct a​ 90% confidence interval for the population mean.

Answer:

At the 90% confidence level, confidence interval = 110.2484 < μ < 117.7516

At the 95% confidence level, confidence interval = 109.53 < μ < 118.48

The 95% confidence interval is wider

Step-by-step explanation:

Here, we have

Sample size, n = 45

Sample mean, \bar x = $114.00

Population standard deviation, σ = $15.30

The formula for Confidence Interval, CI is given by the following relation;

CI=\bar{x}\pm z\frac{\sigma}{\sqrt{n}}

Where, z is found for the 90% confidence level as ±1.645

Plugging in the values, we have;

CI=114\pm 1.645 \times \frac{15.3}{\sqrt{45}}

or CI: 110.2484 < μ < 117.7516

At 95% confidence level, we have our z value given as z = ±1.96

From which we have CI=114\pm 1.96 \times \frac{15.3}{\sqrt{45}}

Hence CI: 109.53 < μ < 118.48

To find the wider interval, we subtract their minimum from the maximum as follows;

90% Confidence level: 117.7516 - 110.2484 = 7.5

95% Confidence level: 118.47503 - 109.5297 = 8.94

Therefore, the 95% confidence interval is wider.

8 0
3 years ago
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