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2 years ago

11

Sal is participating in a charity walk. The distance Sal walks, in kilometers, is proportional to the number of hours he spends

walking.
Which statements are true about the distance Sal walks?

Select each correct answer.

1 answer:

vredina [299]2 years ago

5 0

the attachment is not clear dude...

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Answer:

She needs to descend 20 feet per descent.

Step-by-step explanation:

100/5 = 20

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2 years ago

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Over [174]

Answer: 4.5 hours

<u>Step-by-step explanation:</u>

$Ana: \dfrac{1}{10}\ \text{job per hour}\\\\Nina: \dfrac{1}{x}\ \text{job per hour}\\\\Together: \dfrac{1}{3}\ \text{job per hour}\\\\\\Ana + Nina = Together\\\dfrac{1}{10}\quad +\dfrac{1}{x}\quad =\quad \dfrac{1}{3}\\\\\\\dfrac{1}{10}(30x)+\dfrac{1}{x}(30x) =\dfrac{1}{3}(30x)\\\\\\\rightarrow\quad 3x+30=10x\\\\.\quad 3x+30=10x\\\underline{-3x\qquad \quad -3x\quad}\\.\qquad \quad 30=7x\\\\.\qquad \quad \dfrac{30}{7}=\dfrac{7x}{7}\\\\\\.\qquad \quad \dfrac{30}{7}=x$

$.\qquad \quad 4.5=x$

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2 years ago

if an ambulance is able to respond to a car accident located 5 miles away in 7 minutes, what is the speed of the ambulance in mi

loris [4]

Answer:

Step-by-step explanation:

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3 years ago

How to express the radical using the imaginary unit , i. Please help

Hitman42 [59]

Answer:

± 4i $\sqrt{5}$

Step-by-step explanation:

$\sqrt{-80}$ = $\sqrt{16(5)(-1)}$

= $\sqrt{16}$ × $\sqrt{5}$ × $\sqrt{-1}$

= 4 $\sqrt{5}$ i → [ $\sqrt{-1}$ = i ]

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2 years ago

Read 2 more answers