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Ira Lisetskai [31]
2 years ago
6

Please help!!!!!!! For ten points

Mathematics
1 answer:
ziro4ka [17]2 years ago
5 0

Answer:

A is the answer

Step-by-step explanation:

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20 POINTS!!!!
gregori [183]

Answer:

135 ft^2

Step-by-step explanation:

7yd = 7*3 feet = 21 feet

area \: of \: trapezoid \\  =  \frac{1}{2} (15 + 21) \times 7.5 \\  =  \frac{1}{2}  \times 36 \times 7.5 \\  = 18 \times 7.5 \\  = 135 {feet}^{2}

4 0
3 years ago
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56 is 80% of blank. What is the blank supposed to be?
Mamont248 [21]
The answer is 70. You can obtain this by dividing the number by its percentage, and 56 is 80 percent of 70. I hope this helped, have a nice day! =)
4 0
3 years ago
Solve the equation 4x^2 – 32x + 64 = 0.
AlexFokin [52]

Answer: x = 4

Step-by-step explanation:  4x^2−32x+64=0

4(x−4)(x−4)=0

x−4=0 x−4=0

x=4

8 0
2 years ago
1.3 times 10 to the negative second times 0.05
Ivan

Answer:

0.00065

Step-by-step explanation:

1.3 × 0.01 × 0.05

0.013 × 0.05

0.00065

8 0
3 years ago
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6.184×105=
9966 [12]

Answer:

649.32

Step-by-step explanation:

7 0
4 years ago
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