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Kryger [21]
3 years ago
11

PLZ HELP! QUESTIONS ARE BELOW! :D

Mathematics
1 answer:
harkovskaia [24]3 years ago
8 0

Answer:

1) 243 in.²

Step-by-step explanation:

1)

A = 18 in. * 18 in. - 9 in. * 9 in. = 243 in.²

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The solution for the system equations 8x-6y=-32 and -8x+5y=36
Ghella [55]

Answer:

x=47, y=68

Step-by-step explanation:

Add the two equations. Then we get

-y=-68

y=68

Substituting the value of y in the first equation,

8x-6(68)=-32

8x-408=-32

8x=376

x=47

6 0
3 years ago
A rectangular prism and its dimensions are shown in the diagram.
Sergeu [11.5K]

Answer:

148.2

Step-by-step explanation:

LA= PH

P= 8.2+8.2+3.2+3.2=22.8 in

H= 6.5 in

PH= 22.8(6.5)= 148.2 in

8 0
3 years ago
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jolli1 [7]

Answer:

C

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Step-by-step explanation:


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3 years ago
Can someone pleaseee help with this ;(
choli [55]

Answer:

-45˚

Step-by-step explanation:

Because the quadrant is 90˚ and 90 ÷ 2 = 45 and it in in the negative area. Therefore he angle is -45˚

6 0
4 years ago
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What is 1230*456
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560880

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AGAIN

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