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3 years ago

Justice can run 5 1/4 miles in 3 hours. How many miles can he run in 9 hours?

Mathematics

2 answers:

djverab [1.8K]3 years ago

8 0

15 miles and 3/4th hope this helps

notka56 [123]3 years ago

8 0

Answer:

he can run 16 miles in 9 hours

Step-by-step explanation:

if he can run 5 1/4 miles in 3 hours the all you have to do is multiple 3 till you get 9 3×3=9 to now you multiple the 5 1/4 by 3 and get 16 or you can add 5 1/4 three times.

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Answer:

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3 years ago

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For a fundraiser , Brad sold 2 less than 3 times the number of candy bars calls that Mary did . If they sold 334 total bars, fin

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$x-\ Mary\\
3x-2-\ Brad\\\\
x+3x-2=334\\
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2 years ago

A sumo wrestling ring is circular and has a circumference of 4 . 6 π meters 4.6π meters. What is the area A A of the sumo wrestl

LUCKY_DIMON [66]

Answer:

$A=5.29\pi$

Step-by-step explanation:

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Given circumference of the ring is $4.6\pi$

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$2\pi r=4.6\pi\\r=\frac{4.6\pi}{2\pi}\\r=\frac{4.6}{2}=2.3$

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3 years ago

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stiv31 [10]

Answer:

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Step-by-step explanation:

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3 years ago

Find cos(2*ABC) 100POINTS

juin [17]

Answer:

$-\dfrac{7}{25}$

Step-by-step explanation:

Trigonometric Identities

$\cos(A \pm B)=\cos A \cos B \mp \sin A \sin B$

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$\sf \sin(\theta)=\dfrac{O}{H}\quad\cos(\theta)=\dfrac{A}{H}\quad\tan(\theta)=\dfrac{O}{A}$

where:

$\theta$ is the angle
O is the side opposite the angle
A is the side adjacent the angle
H is the hypotenuse (the side opposite the right angle)

Using the trig ratio formulas for cosine and sine:

$\cos(\angle ABC)=\dfrac{3}{5}$

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Therefore, using the trig identities and ratios:

$\begin{aligned}\implies \cos(2 \cdot \angle ABC) & = \cos(\angle ABC + \angle ABC)\\\\& = \cos (\angle ABC) \cos (\angle ABC) - \sin(\angle ABC) \sin (\angle ABC)\\\\& = \cos^2(\angle ABC)-\sin^2(\angle ABC)\\\\& = \left(\dfrac{3}{5}\right)^2-\left(\dfrac{4}{5}\right)^2\\\\& = \dfrac{3^2}{5^2}-\dfrac{4^2}{5^2}\\\\& = \dfrac{9}{25}-\dfrac{16}{25}\\\\& = \dfrac{9-16}{25}\\\\& = -\dfrac{7}{25} \end{aligned}$

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2 years ago

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Justice can run 5 1/4 miles in 3 hours. How many miles can he run in 9 hours?​

Justice can run 5 1/4 miles in 3 hours. How many miles can he run in 9 hours?