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Veseljchak [2.6K]
3 years ago
9

The areas of two similar rectangles are 338 cm2 and 72 cm2. What is the similarity ratio of the perimeters?

Mathematics
2 answers:
bonufazy [111]3 years ago
8 0

the quick and short answer would be "13:6"


~Zach

harina [27]3 years ago
3 0
That will be sqrt338 / sqrt72  = 2.16666...

13/6 = 2.166666. also

so the answer is

b
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A rectangle has a length of 45 inches less than 4 times its width. if the area of the rectangle is 3325 square inches, find the
Maru [420]

The length of the rectangle is based on its width, so let's call width w and put the length in terms of the width. We are told that the width is 45 less than 4 times the width, so the length is 4w - 45. Area is found by multiplying length times width and we are given the area as 3325. So we will set up length times width and solve for w, which we will then use to solve for l. 3325 = (4w - 45)(w). Multiplying out we have 3325=4w^2-45w. Move the constant over by subtraction and then we will have a quadratic that can be factored to solve for w. 4w^2-45w-3325=0. We would put that through the quadratic formula to solve for w. When we do that we get that w = 35 and w = -23.75. The 2 things in math that will never EVER be negative is time and distance/length, so -23.75 is out. That means that the width is 35. The length is 4(35) - 45 which is 95. The dimensions of your rectangle are length is 95 and width is 35. There you go!

8 0
3 years ago
You have your heart set on buying a new car in 2 years. You invest $3,200 at 3.75% interest compounded continuously. How much mo
SCORPION-xisa [38]

<u>Answer:</u>

The available amount for the down payment of car and invested $3,200 at 3.75% interest compounded continuously is 3449.23$

<u>Explanation:</u>

We know final amount is given by  

Where,

A=P \times e^{r t}

A   =   final amount

P   =  initial principal balance = $3200

r    =   interest rate = 3.74%

t    =  number of time periods elapsed = 2 years

Substituting the values in the formula

r=\frac{3.75}{100}=0.0375

A=3200 \times e^{(0.0375 \times 2)}

We know, e = 2.72

So we get A = 3449.23$ which is the available amount for the down payment of car .

7 0
3 years ago
1/2 of 3 + 3/4 of 3 +1/2 of 2=
Vedmedyk [2.9K]
=3/2+ 9/4+ 2/2
=1.5+ 2.25+ 1
=4.75
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3 years ago
Find the area of the rectangle:
kumpel [21]
10 ft and 2 because I did the math
6 0
2 years ago
Read 2 more answers
What property is (67+83)+32=(32+67)+83
muminat

Answer:

Distributive property

Step-by-step explanation:

3 0
3 years ago
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