3 years ago

Planet Mass (in grams) Jupiter 1.989 ∙ 10^30

Mathematics

1 answer:

Fiesta28 [93]3 years ago

6 0

400 should be the answer. Hope this helps!

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Is 4( 3b - 4) equivalent to 2( 6b - 8) ?

wariber [46]

Answer:

YES

Step-by-step explanation:

4(3b-4)=2(6b-8)

12b-16=12b-16

YES

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3 years ago

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When Devon cashed a $450 check at the bank, the teller gave him 18 bills, all $20 bills and $50 bills. Which system of equations

Ymorist [56]

You have two totals: total # of bills and total amount of $. Using x as #of 20s, and y as # of 50s, you can use the system
x+y=18
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KIM [24]

Answer:

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Step-by-step explanation:

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2 years ago

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Trig: Which complex number's graph is shown?

Andrei [34K]

ANSWER

$2 \sqrt{2} ( \cos( \frac{7\pi}{4} + i \sin( \frac{7\pi}{4} ) )$

EXPLANATION

The complex number shown has coordinates (2,-2)

$z = 2 - 2i$

The modulus is

$|z| = \sqrt{ {2}^{2} + {( - 2)}^{2} }$

$|z| = \sqrt{ 8} = 2 \sqrt{2}$

The argument is

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$\theta= \tan^{ - 1} ( -1) = \frac{7\pi}{4}$

The polar form is

$2 \sqrt{2} ( \cos( \frac{7\pi}{4} + i \sin( \frac{7\pi}{4} ) )$

The first option is correct.

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3 years ago

An equivalent expression to a2/3

scoundrel [369]

Answer:

4/6 6/9 8/12 10/15 and so on, just multiply both the numerator and denominator by the same number and get your answer.

Step-by-step explanation:

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3 years ago