I need help answering these two questions. Can anyone help?

Mathematics

1 answer:

weqwewe [10]3 years ago

5 0

Sure i can try to help

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Can y’all help me me on question 2?! Have a good day!

AfilCa [17]

Answer:

Step-by-step explanation:

The formula to get the area of a triangle is A= $\frac{(b)(h)}{2}$ so all you have to do is work backwards. 18x2=36. 36/4=9.

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3 years ago

In what form is the following linear equation y-3=2/3(x-1)

AveGali [126]

Y=2/3x-7/3
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3 years ago

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Why can you NOT combine 3x and 5x^2 ?

diamong [38]

Although they are the same variable, you cannot add two variables raised to different powers. 3x^1 + 5x^2 cannot work, but 3x^2 + 5x^2 can. Also, if you are multiplying them, they would combine to be 15x^3, as 3 and 5 (The coefficients) multiply together and x^2 times x^1 = x^3.

I hope that helps.

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3 years ago

PLEASE HELP!

IrinaVladis [17]

Answer:

Step-by-step explanation:

<h3>Sphere:</h3>

1) a) r = 7 cm

$\sf \boxed{\text{Volume of sphere=$\dfrac{4}{3}\pi r^3$}}$