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Y_Kistochka [10]

2 years ago

7

If an original price is 1,195 and increased to 2,075 what is the percent

1 answer:

Ivenika [448]2 years ago

3 0

$|1195 - 2075| = | - 880| = 880$
$1195 + 2075 = 3270 \div 2 = 1635$
$\frac{880}{1635} = 0.538226 \times 100$ = 53.8226% difference

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2 years ago

Rewrite the following expression 15+21 using the GCF and the distributive property

avanturin [10]

First, we want to find the GCF of 15 and 21, which is 3. Now we do 15 divided by 3 and 21 divided by 3, which gives us 5 and 7. To rewrite the expression, we take the GCF and put it on the outside of the parenthesis. Inside the parenthesis, we put 5 + 7. So it'll look like this:

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3 years ago

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What is the value of w?

Dima020 [189]

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3 years ago

You roll a fair 666-sided die. What is \text{P(roll greater than 4})P(roll greater than 4)P, left parenthesis, r, o, l, l, space

enyata [817]

Answer:

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Step-by-step explanation:

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7 0

3 years ago

The areas of two similar triangles are 72dm2 and 50dm2. The sum of their perimeters is 226dm. What is the perimeter of each of t

astraxan [27]

Answer:

Hence, the perimeter of the triangles are:

P=123.2727 dm

P'=102.7272 dm

Step-by-step explanation:

In two similar triangles:

The ratio of the areas of two triangle is equal to the square of their perimeters.

Let A and A' represents the area of two triangles and P and P' represents their perimeter.

Then they are related as:

$\dfrac{A}{A'}=\dfrac{P^2}{P'^2}$

We are given:

A=72 dm^2 , A'=50 dm^2

and P+P'=226 dm.-----------(1)

i.e. $\dfrac{72}{50}=\dfrac{P^2}{P'^2}\\\\\dfrac{36}{25}=\dfrac{P^2}{P'^2}$

on taking square root on both the side we get:

$\dfrac{P}{P'}=\dfrac{6}{5}\\\\P=\dfrac{6}{5}P'$

Now putting the value of P in equation (1) we obtain:

$\dfrac{6}{5}P'+P'=226\\\\\dfrac{6P'+5\times P'}{5}=226\\\\\dfrac{6P'+5P'}{5}=226\\\\11P'=226\times 5\\\\11P'=1130\\\\P'=\dfrac{1130}{11}=102.7272$

Hence,

P=226-102.7272=123.2727

Hence, the perimeter of the triangles are:

P=123.2727 dm

P'=102.7272 dm

6 0

3 years ago