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densk [106]
3 years ago
7

The size of a playground is 160 feet by 360 feet. A model is created that measures 4 inches by 9 inches. Is it a rate, ratio onl

y or a proportion?
Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
3 0

Answer:

The model is made in a<u> 1:40 ratio </u>

Step-by-step explanation:

How many times is 4 multiplied to be equal to 160?

4(x) = 160

X = 160 / 4

<u>X = 40</u>

The proportion, rate, and ratio are almost the same.

They represent the correspondence between the parts and the whole since they all express a binary relationship between the quantities, that is, objects, people, tablespoons.

If the ratio is 1: 2 it could be read that for every 1 there are 2.

For example 1: 2 cups; For every cup of something there are 2 cups of something else.

In this case, 1:40; For every inch of the model, there are 40 feet in the playground.

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mihalych1998 [28]

Answer:

$2.09

Step-by-step explanation:

3.8 x .55 = 2.09

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3 years ago
-6 = x/8 + 4<br><br> 1.8<br><br> 16<br><br> -80<br><br> -16
kumpel [21]

Answer:

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Step-by-step explanation:

Given

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3 years ago
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Help me with those two questions
Ksenya-84 [330]

Given:

A figure in which a transversal line intersect two parallel lines.

m\angle 2=4x+7, m\angle 7=5x-13, m\angle 5=68 and m\angle 3=3y-2.

To find:

The value of x and y.

Solution:

We know that, if a transversal line intersect two parallel lines, then

(1) Alternate exterior angles are equal.

(2) Same sided interior angles are supplementary. So their sum is 180 degrees.

In the given figure j and k are parallel lines and l is a transversal line.

From the given figure, it is clear that,

m\angle 2=m\angle 7                (Alternate exterior angles are equal)    

4x+7=5x-13

7+13=5x-4x

20=x

Therefore, the value of x is 20.

Now,

\angle 3+\angle 5=180     (Same sided interior angles are supplementary)

3y-2+68=180

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y=\dfrac{180-66}{3}

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y=38

Therefore, the value of y is 38.

3 0
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Suppose Brandon bought three identical t-shirts and a hat. The hat cost $21 and he spent $60 in all. What was the cost of one t-
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t= t-shirt

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T^2 - 49 =0
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