2 years ago

Marlee drove 60 miles song 2 gallons of gas. whitch is the unit rate in fraction forms?

Mathematics

1 answer:

Orlov [11]2 years ago

5 0

Answer:

the unit rate is 30 miles 1 gallon

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SOMEONE PLEASE HELP ME ASAP PLEASE!!!

Alex17521 [72]

Answer:

BC=10

Step-by-step explanation:

BD-BC=14-4=10

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2 years ago

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What value of x would make the figure below a parallelogram? please show your work!

lara31 [8.8K]

Answer:

x = 8

Step-by-step explanation:

Since the sum of all angles of a parallelogram is equal to 360 degrees, <Z + <Y is half of the parallelogram, and therefore <Z + <Y = 180 degrees.

16x-4 + 7x = 180, combine like terms

23x - 4 = 180, add 4 on both sides (isolate variable)

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1 year ago

Find the volume of the figure of 7 inches, 21 inches and 15 inches.

AfilCa [17]

Answer:

2,205 cubic inches

Step-by-step explanation:

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2 years ago

Anna and Daniel are playing Fraction Capture. Anna is trying to find sections that add up to 3/4. She knows that 1/4+1/4+1/4=3/4

Alekssandra [29.7K]

She could use:
1/2+1/4

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2 years ago

(sin x)(tan x cos x - cot x cos x) = 1 - 2 cos2x

Aliun [14]

As

$\tan x=\dfrac{\sin x}{\cos x}$
$\cot x=\dfrac{\cos x}{\sin x}$

we have

$\sin x(\tan x\cos x-\cot x\cos x)=\sin x\left(\sin x-\dfrac{\cos^2x}{\sin x}\right)=\sin^2x-\cos^2x$

Recalling that $\cos2x=\cos^2x-\sin^2x$ , we end up with

$-\cos2x=1-2\cos2x$
$1=\cos2x$
$\implies2x=2n\pi$

(where $n$ is any integer)

$\implies x=n\pi$

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2 years ago