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Aleksandr [31]
3 years ago
11

Please help and explain! *Serious answers only* 30 points :)

Mathematics
2 answers:
topjm [15]3 years ago
4 0
Ok so it's a proportion so this fraction is to this fraction. the smaller rectangle has sides 4 and 12. the larger one has 8 and x. so u set it up 4/12=8/x. the 4 and 8 r both the short sides so u want those on top and 12 and x r long sides so those on bottom. since that is not an answer option u can set it up as 8/4=x/12 because u still keep the variables of the same rectangle from being multipled with each other. so answer #2 is correct
GREYUIT [131]3 years ago
3 0
What you have highlighted right now is correct. Because the rectangles are similar (proportional): l of rect 1 / l of rect 2 = w of rect 1 / w of rect 2

So, B. is the correct answer!
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Sophia earned $294 in 24 hours. How many dollars did she earn per hour?
Vadim26 [7]

Answer:

$12.25

Step-by-step explanation:

Step 1:

$294 : 24        Ratio

Step 2:

$294 ÷ 24     Divide

Answer:

$12.25

Hope This Helps :)

6 0
3 years ago
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There are 90 apples shared equally among 6 baskets. Hun buys 1 basket of apples. He uses the apples to make 3 pies. Each pie has
tamaranim1 [39]

Answer:

To find the number of apples per basket we divide 90 by 6 to get 15. We know that he buys 15 apples. We now have to divide by 3 to get the number of apples per pie, because we know he used all 15 apples. The answer is 15/3 or 5 apples per pie. 5 apples

6 0
3 years ago
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Which expression is equivalent to 7x^2-(8x-5)+(5x-3x^2)?
Anettt [7]

Answer:

your mo- (3x^5 + 8x^3) - (7x^2 - 6x^3) = 3x^5 + 8x^3 - 7x^2 + 6x^3 = 3x^5 + 14x^3 - 7x^2

Step-by-step explanation:

7 0
3 years ago
What is the sum of the roots of the equation 2 x^2 + 5 x − 3 = 0?
Dima020 [189]

Answer:

B) -2.5

Step-by-step explanation:

2x^2 + 5x -3 = 0

(2x - 1)(x + 3) = 0

2x - 1 = 0; 2x = 1, so x = 1/2 = ROOT 1

x + 3 = 0, so x = -3 = ROOT 2

Now add the roots: -3 + 1/2 = - 2 1/2, so the answer is B.

4 0
3 years ago
You have been asked to create a sign for Sonic and have been given a 4 in by 6 in logo to enlarge. Your boss told you to make su
sdas [7]
Dimensions of the logo:
W = 4 in,  L = 6 in
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Answer:
D ) 30 in by 45 in 
6 0
3 years ago
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