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3 years ago

How could you convert a rate of 18,000 mph to miles per second

1 answer:

6 0

Hi there,

(18000 miles / 1 hour)(1 hour / 60 minutes)(1 minute / 60 seconds) adds up to 18000 miles / 3600 seconds, which then adds up to 5 miles / 1 second...

you should get a total of 5 miles per second

I hope I helped :)

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Can I get some help pls and no links pls i'm getting tired of getting links

just olya [345]

53.2

40%=.4
.4 times 38 = 15.2
15.2+38=53.2

Thank me later

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3 years ago

What is the eighteenth century written in number form?

ehidna [41]

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3 years ago

Read 2 more answers

If x>7, then |x|>7. |y|>7, so y=7 Valid or invalid?

Alex

$\text{if }x>7\text{, then }|x|>7$ is a valid argument

$|y|>7\text{, so }y=7$ is not a valid argument

For the first argument: $\text{if }x>7\text{, then }|x|>7$

From the definition of absolute value function

$|x|=x$ if $x\ge0$

That is every positive number is its own absolute value. Since

$x>7\implies x\ge0$ ,

we can argue that

$x>7\implies |x|>7$

so the first argument is valid

For the second argument: $|y|>7\text{, so }y=7$

From the definition of absolute value function

$|y|:=\left \{ {y\text{ if }y\ge0}\atop{-y\text{ if }y$

This means that

$|y|>7:=\left \{ {y>7\text{ if }y\ge0}\atop{-y>7\text{ if }y$

$|y|>7:=\left \{ {y>7\text{ if }y\ge0}\atop{y$

no part of the definition allow for the option $y=7$ . So the second argument is not valid.

Learn more here: brainly.com/question/11897796

7 0

3 years ago

What does 1/3•1/3•1/3=

Naily [24]

Its 0.037 in decimal form

8 0

3 years ago

Read 2 more answers

Sam is driving from Chicago to San Francisco, a distance of 2220 miles. He covers the first 192 miles in 4 hrs. At this rate, ho

Citrus2011 [14]

We can set it up like this:

$\frac{192}{4} = \frac{2220}{x}$

This states that Sam can drive 192 miles in 4 hours and 2220 miles in x hours. To solve, we can use cross-multiplication:

$192x = 2220*4 \\ 192x = 8880 \\ x = \frac{8880}{192} \\ x = 46.25$

It will take Sam 46.25 hours to drive the whole trip, or 46 hours and 15 minutes.

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3 years ago