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densk [106]
3 years ago
8

What is the area of a triangle with a base of 10 and height of 4?

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
6 0
The area of a triangle with a base of 10 and a height of 4 would end up being 20
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If mn = 16 and m^2 + n^2 = 68 then (m+n)^2 =
Dima020 [189]

Answer:

B.   100

Step-by-step explanation:

(m + n)^2

= m^2 + 2mn + n^2

Rearrange

(m^2 + n^2) + 2mn

Substitute

(68) + 2*16

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= 100

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3 years ago
After substituting, what is the first step when evaluating 4y+9/7 when y=8
kenny6666 [7]

Answer:

  multiply 4 and 8 to get 32

Step-by-step explanation:

After substituting, the expression is ...

  4·8 +9/7

The order of operations tells you to do multiplication and division before addition and subtraction. You do them left-to-right. The multiplication on the left is 4·8, so you do that first. The result is ...

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Now, you can do the division:

  32 + (1 2/7)

And, finally, the addition:

  33 2/7

___

Or, you could skip the division and go straight to adding a whole number and a fraction:

  (32·7 +9)/7 = (224+9)/7 = 233/7

7 0
3 years ago
157×23 show work pls​
Sergeeva-Olga [200]

Step-by-step explanation:

  • 157×23
  • 3611

hope it helps

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3 years ago
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Which expression represents h(x)?
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(g-f)x is the answers for the question

Step-by-step explanation:

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Evaluate the expression if g+2, r+3, and t=11.<br> g+6t
Ivahew [28]

Answer:

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Step-by-step explanation:

Most likely g = 2

Therefore (2) + 6(11)

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5 0
3 years ago
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