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Pachacha [2.7K]
2 years ago
5

Is 2/7 a proportional expression

Mathematics
1 answer:
allochka39001 [22]2 years ago
4 0

9514 1404 393

Answer:

  no

Step-by-step explanation:

A proportion is an equation saying two ratios are equal to each other.

One ratio is not a proportion.

___

It would be a proportion if it were said to equal something:

  2/7 = peanuts/popcorn . . . is a proportional expression

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igomit [66]

Answer:

the correct answer is a

6 0
3 years ago
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Find the surface area of a smooth golf ball with the minimum diameter allowed by the United States golf association
meriva
Surface area o fthe ball = 4 * 3.14 * radius^2

if diameter = 1.680 then radius = 1/2 * 1.680 = 0.84

so surface area = 4 * 3.14 * 0.84^2 =  8.862 
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3 years ago
The weight of the chocolate and Hershey Kisses are normally distributed with a mean of 4.5338 G and a standard deviation of 0.10
Salsk061 [2.6K]

For the bell-shaped graph of the normal distribution of weights of Hershey kisses, the area under the curve is 1, the value of the median and mode both is 4.5338 G and the value of variance is 0.0108.

In the given question,

The weight of the chocolate and Hershey Kisses are normally distributed with a mean of 4.5338 G and a standard deviation of 0.1039 G.

We have to find the answer of many question we solve the question one by one.

From the question;

Mean(μ) = 4.5338 G

Standard Deviation(σ) = 0.1039 G

(a) We have to find for the bell-shaped graph of the normal distribution of weights of Hershey kisses what is the area under the curve.

As we know that when the mean is 0 and a standard deviation is 1 then it is known as normal distribution.

So area under the bell shaped curve will be

\int\limits^{\infty}_{-\infty} {f(x)} \, dx= 1

This shows that that the total area of under the curve.

(b) We have to find the median.

In the normal distribution mean, median both are same. So the value of median equal to the value of mean.

As we know that the value of mean is 4.5338 G.

So the value of median is also 4.5338 G.

(c) We have to find the mode.

In the normal distribution mean, mode both are same. So the value of mode equal to the value of mean.

As we know that the value of mean is 4.5338 G.

So the value of mode is also 4.5338 G.

(d) we have to find the value of variance.

The value of variance is equal to the square of standard deviation.

So Variance = (0.1039)^2

Variance = 0.0108

Hence, the value of variance is 0.0108.

To learn more about normally distribution link is here

brainly.com/question/15103234

#SPJ1

3 0
11 months ago
What is the slope of the line that passes through the points
svetoff [14.1K]

Answer:

Step-by-step explanation:

6 0
2 years ago
I am the amount left over when a number canot be divided equally<br> answer quick
Kryger [21]

Answer:

Remainder

Step-by-step explanation:

When a number can't be divided equally, there's an amount leftover. The leftover number is called a <em><u>remainder</u></em>

I'm not really great at explaining stuff, but I hope this helps!

4 0
2 years ago
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