2 years ago

Which expression results in a sum or difference of six and thirteen fifty fifths?

Mathematics

1 answer:

tiny-mole [99]2 years ago

7 0

Answer: lesson 21

Step-by-step explanation:

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The amount of Jen’s monthly phone bill is normally

vredina [299]

Answer:

$P(19$

And we can find this probability with this difference and using the normal standard distribution

$P(-3$

Step-by-step explanation:

Let X the random variable that represent the amount of Jen monthly phone of a population, and for this case we know the distribution for X is given by:

$X \sim N(55,12)$

Where $\mu=55$ and $\sigma=12$

We are interested on this probability

$P(19$

And we can use the z score formula given by:

$z=\frac{x-\mu}{\sigma}$

Replacing the info we got:

$P(19$

And we can find this probability with this difference and using the normal standard distribution

$P(-3$

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3 years ago

Jason ran 325 m farther than kim. kim ran 4.2 kilometers. how many meters did jason run?

Ann [662]

The answer is 329. 2

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2 years ago

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Evaluate the expression |x-10| when x= -8 a. -8 b. -18 c. 8 d. -18

nordsb [41]

|x-10| when x = -8
| - 8 - 10 | = |-18| = 18 <==

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2 years ago

What is the perimeter of PQR? Show your work.

xz_007 [3.2K]

I do not know how to show the working out but its 4+6+6

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Sophie and Marcos are each saving for new bicycles. So far, Sophie has $6 saved and can earn $5 per hour walking dogs. Marcos ha

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6+5=11+5=16+5=21
3+6=9+6=15+6=21
It will take Marco and Sophie 3 hours to get the same amount of money. The amount of money they will have will be $21.

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2 years ago