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TEA [102]
3 years ago
5

Please help, multiple choice

Mathematics
1 answer:
klasskru [66]3 years ago
7 0

Answer:

D. 9, 12, 15

Step-by-step explanation:

You can use the Pythagorean Theorem to solve.

a^2 + b^2 = c^2

9^2 + 12^2 = c^2

81 + 144 = 225

Remember, c is squared.

The square root of 225 is 15.

D is the only answer that is correct.

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The area shaded purple contains the solutions to this system of equations. Which ordered pair is a solution to the system?
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Answer: -60,20

Step-by-step explanation:

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2 years ago
∠A and ∠B are complementary angles.
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Cos 52 = 0.6157

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3 0
3 years ago
Allan borrows 1870 dollars from his uncle. Two years later, he borrows another 1240 dollars. If his uncle charges him 8 percent
Anna11 [10]
For t=0
<span>Allan borrows--------------------------- > 1870 dollars

for t=6 years
</span>F1 = P*(1 +(r/m))^n
i=r/m
n=m*t---------- >1*6=6
we have
P1=1870
r=8%
m=1
t=6 years
F1 = 1870*(1 +(0.08/1))^6------------------ >2967.45 dollars

for t=2
Allan borrows--------------------------- > 1240 dollars

for t=6 years
F2 = P2*(1 +(r/m))^n
i=r/m
n=m*t---------- >1*4=4
we have
P2=1240
r=8%
m=1
t=4 years------------> (6-2)=4 years
F2 = 1240*(1 +(0.08/1))^4------------------ >1687 dollars

F1+F2=2967.45+1687=4654.45 dollars
the answer is 4654.45 dollars


3 0
3 years ago
Ten times a number a added to three times a second number b divided by a third number c.​
pentagon [3]

Answer:

10a+3b÷c/3

Step-by-step explanation:

let the first number be a

second be b

third be c

10×a +3×b ÷c÷3

10a+3b÷c/3

=10a+3b÷c/3

5 0
2 years ago
Volunteers at Sam's school use some of the student council's savings for a special project. They buy 8 backpacks for $8 each and
Tpy6a [65]

Answer:

The savings were changed by $88

Step-by-step explanation:

1 backpack costs 8 dollars and they bought 8 of them, you have to multiply 8 dollars by 8 cause there is 8 backpacks which is 64 , pen and pencils for 1 backpack costs 3 dollars , so you have to multiply 3 by 8  cause there are 8 backpacks which is 24. then you add 64 and 24 which is 88

5 0
2 years ago
Read 2 more answers
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