2 years ago

Which geometric figure contains exactly two perpendicular lines

1 answer:

4 0

Answer:

Like a square, a rectangle has lines that are perpendicular to two other lines. This means it also has four right angles.

Step-by-step explanation:

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1 thousand and 1 hundred means 1100.

In scientific notation, it's 1.1*10^3

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2 years ago

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Grandpa Gump is 63 years old his age is 2 years less than five times age of Billy, how old is Billy

7nadin3 [17]

Billy's age= x

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Billy is 13 years old

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3 years ago

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BaLLatris [955]

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3 years ago

What is the answer to the equation 3(x+4.5)=36?

kozerog [31]

Answer:

$x = 7.5$

Step-by-step explanation:

$3(x + 4.5) = 36$

$3x + 13.5 = 36$

$3x = 36 - 13.5$

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$x = \frac{22.5}{3}$

$x = 7.5$

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3 years ago

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Find the slant height l of the cone given the surface area S.

Oduvanchick [21]

9514 1404 393

Answer:

15 cm

Step-by-step explanation:

The formula for the surface area of the cone is ...

A = πr² +πrL = πr(r +L)

The radius of this cone is half its diameter so is (12 cm)/2 = 6 cm. Then the slant height L can be found from ...

126π cm² = π(6 cm)(6 cm +L)

21 cm = 6 cm +L . . . . . . . . . . . . . . divide by 6π cm

15 cm = L . . . . . . . . . . . . . . . . subtract 6 cm

The slant height is 15 centimeters.

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2 years ago