3 years ago

Find the unit rate for miles per hour. Round to the nearest hundredth if necessary. A cyclist rides 65 miles in 3 hours.

Mathematics

1 answer:

Natasha2012 [34]3 years ago

4 0

22 (rounded to the nearest one)

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Which expression is equivalent to the given expression?<br><br> −(1/2y+1/4)

Zigmanuir [339]

$-\left(\dfrac{1}{2}y+\dfrac{1}{4}\right)=-\dfrac{1}{2}y-\dfrac{1}{4}=-\dfrac{1\cdot2}{2\cdot2}y-\dfrac{1}{4}=\dfrac{-2y}{4}-\dfrac{1}{4}=\dfrac{-2y-1}{4}\\\\=-\dfrac{2y+1}{4}$

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3 years ago

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Andre45 [30]

-5m - 6 >= 24
Add six on both sides
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3 years ago

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Please help it's been like 30 mins and I'm so confused.

lbvjy [14]

1s = 13m

1 * 3 = 13 * 3

= 3s = 39 m

10 s = 13 * 10 => 130

So, 1) 1s

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3 years ago

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Simplify each expression.<br> 3x (1 – 3.0) + 3.2

Blizzard [7]

Answer:

$-6x+ 3.2$

Step-by-step explanation:

Given the expression

$3x (1 -3) + 3.2$

step one: let us work on the terms inside the bracket

$3x (-2) + 3.2$

Step two:

open the bracket

$-6x+ 3.2$

Hence the simplified expression is

$-6x+ 3.2$

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3 years ago

Write an expression in factored form to represent the volume in the canister not occupied by the tennis balls.

olya-2409 [2.1K]

Answer:

$\implies V=\pi r^2(h-4 r)$

Step-by-step explanation:

Volume of the canister LESS the volume of 3 tennis balls:

$V=\pi r^2h-3\left(\dfrac43\pi r^3\right)$

Expand brackets:

$\implies V=\pi r^2h-4\pi r^3$

Factor:

$\implies V=\pi r^2(h-4 r)$

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2 years ago

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