2 years ago

If a point c is inside

Mathematics

1 answer:

Klio2033 [76]2 years ago

5 0

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Solve: 2x - 20 3 - 2x (5 points) a -5 -3 a 13

kow [346]

Answer:

Negative five and negative three

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2 years ago

Which algebraic expression represents “the quotient of 7 and number”?

Drupady [299]

The correct option would be
A)7/n

As quotient deals with the division
I hope that helped!

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A can of tuna has a volume 18pi cm3 and a height of 2 cm. Find the area of the label that wraps around the entire can and does n

Sphinxa [80]

Answer:

The area of the label is $12\pi\ cm^{2}$

Step-by-step explanation:

step 1

Find the radius

we know that

The volume of the cylinder (can of tuna) is equal to

$V=\pi r^{2} h$

In this problem we have

$V=18\pi\ cm^{3}$

$h=2\ cm$

substitute and solve for r

$18\pi=\pi r^{2} (2)$

Simplify

$18=r^{2}(2)$

$r^{2}=9$

$r=3\ cm$

step 2

Find the lateral area of the can

The lateral area of the cylinder (can of tuna) is equal to

$LA=2\pi rh$

we have

$r=3\ cm$

$h=2\ cm$

$LA=2\pi (3)(2)=12\pi\ cm^{2}$

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2 years ago

The formula for the area A of a trapezoid is A=1/2(b1+b2)h, where b1 and b2 represents the lengths of the bases and h represents

aleksandr82 [10.1K]

Answer:

B. h=2A/(b1+b2) . . . . parentheses are needed

Step-by-step explanation:

Multiply the equation by the inverse of the coefficient of h. That coefficient is (b1 +b2)/2, so its inverse is 2/(b1 +b2). Parentheses are needed.

... 2A/(b1 +b2) = h

_____

Comment on the answer choices

As written, none of them are correct. The denominator can only be written without parentheses if the division bar is horizontal, and so serves also as a grouping symbol.

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2 years ago

Write the equation in function form: 3y - 12x = 0

ivanzaharov [21]

Answer: 4x

Step-by-step explanation: Move all terms that don't contain y to the right side and solve. y = 4x

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