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chubhunter [2.5K]
3 years ago
5

8x + 4y = 16 7y = 15 - x

Mathematics
1 answer:
Cloud [144]3 years ago
3 0

Answer:

The answer is x=1 and y=2 hope it helps

Step-by-step explanation:

 

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A swimming pool is 65.25 feet long and 40.5 feet wide. How much longer is the pool than it is wide?
melamori03 [73]
65.25 - 40.50 = How much longer the pool is than wide

= 24.75 longer

It is also or about 38%.
7 0
4 years ago
Kelly uses a building block to create the top of a tower. The front face of the building block is shown.
max2010maxim [7]
What you need to do is do the formula of Area=1/2×Height (Base B +Base A) Base B is bottom Base A is the top then you divide by 2 In this case 1/2 ×8/1 ×(12+15)=108
3 0
3 years ago
15 points for someone who can answer & explain this to me thanks
iris [78.8K]

Answer:

see explanation

Step-by-step explanation:

Given

\frac{9}{a^2+9a+20} , \frac{7a}{a^2+11a+28}

Factor the denominators of both fractions

\frac{9}{(a+4)(a+5)} , \frac{7a}{(a+4)(a+7)}

The lowest common denominator of both fractions is (a + 4)(a + 5)(a + 7)

Multiply numerator/denominator of first fraction by (a + 7)

Multiply numerator/denominator of second fraction by (a + 5 )

\frac{9(a+7)}{(a+4)(a+5)(a+7)} , \frac{7a(a+5)}{(a+4)(a+5)(a+7)} , then

\frac{9a+63}{(a+4)(a+5)(a+7)} , \frac{7a^2+35a}{(a+4)(a+5)(a+7)}

8 0
3 years ago
The scale factor between two similar shapes is 4. what is the scale factor of area
lana [24]
I think the scale of the factor of area is 2
6 0
3 years ago
Read 2 more answers
Please help me solve this
Andreas93 [3]

Answer:

  $0.75 per lemon

Step-by-step explanation:

Express the ratio on the left as a decimal:

  $3/(4 lemons) = $?/lemon

  0.75 $/lemon = ? $/lemon

  0.75 = ?

The unit rate is $0.75 per lemon.

7 0
3 years ago
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