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3 years ago

Find the missing exponent. 4 4 16 Submit

Mathematics

1 answer:

Degger [83]3 years ago

7 0

Answer:

Step-by-step explanation:

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A=1/2(b_1 + b_2)h solve for h

Lubov Fominskaja [6]

Answer: H = 1

Step-by-step explanation:

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3 years ago

What is the value of the expression 6 3/4 (−11.5)

notka56 [123]

Answer:

-75.9

Step-by-step explanation:

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3 years ago

How do I find an increase of 42 from 72

qwelly [4]

114 its is just 72+42

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3 years ago

3x + y - z= -6<br> 2x - y + 2z = 8<br> 4x + y - 3z = -21

Flauer [41]

Answer:

x=-1

y=4

z=7

Step-by-step explanation:

3x + y - z= -6(1)

2x - y + 2z = 8(2)

4x + y - 3z = -21(3)

(1)+(2): 5x+z=2(4)

(2)+(3): 6x-z=-13(5)

(4)+(5): 11x=-11

x=-1

so z=2-5x=7

y=-6-3x+z=4

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3 years ago

Prove that:<br>tan80°=2tan 70°+ tan10°

Angelina_Jolie [31]

Tan80=5.67
2tan70+tan10=5.67

So tan80=2tan70+tan10

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3 years ago

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