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3 years ago

8

The distance DA between earth and the sun is 93,000,000 miles, the distance DE between earth and the moon is 240,000 miles, and

the radius AB of the sun is 432,500 miles.

1 answer:

Rudiy273 years ago

6 0

Answer:

Hi

Step-by-step explaidknation:

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Value of 9 x 10 to the fourth power

Fiesta28 [93]

First multiply 9x10 which is 90, then it would be 90^4 which is 65,610,000.

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3 years ago

Read 2 more answers

Solving quadratic equations with complex solutions x2 + 4x + 8 = 0.

Daniel [21]

Answer:

$\large\boxed{x=-2\pm2i}$

Step-by-step explanation:

$x^2+4x+8=0\qquad\text{subtract 8 from both sides}\\\\x^2+4x+8-8=0-8\\\\x^2+2(x)(2)=-8\qquad\text{add}\ 2^2\ \text{to both sides}\\\\x^2+2(x)(2)+2^2=-8+2^2\qquad\text{use}\ (a+b)^2=a^2+2ab+b^2\\\\(x+2)^2=-8+4\\\\(x+2)^2=-4\iff x+2=\pm\sqrt{-4}\\\\x+2=\pm\sqrt{(4)(-1)}\qquad\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\x+2=\pm\sqrt4\cdot\sqrt{-1}\qquad\text{use}\ \sqrt{-1}=i\\\\x+2=\pm2\cdot i\qquad\text{subtract 2 from both sides}\\\\x=-2\pm2i$

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3 years ago

Which estimation could be used to make sure the answer is reasonable? Claudia mixed 16.7 pounds of sand with 12.6 pounds of soil

ra1l [238]

The answer for your question is a). Because if you add 12.6 pounds by 16.7 pounds you will get 29.3 as your answer.the estimated answer is 30 and,22.1 estimated is 22.Finally,you just subtract 30 by 22 and you get your answer as 8.

7 0

3 years ago

Suppose you have $30 to spend on bags of tootsie rolls that are worth $3 and bags of lollipops worth $5. If you have to use all

uysha [10]

Answer:

you could get 5 bags of tootsie rolls and 3 bags of lollipops.

Step-by-step explanation:

3+3+3+3=12+5+5=22+5=27+3=30

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3 years ago

PLZZZ HLPPP MEEE The S's in the SSS Similarity theorem states that two triangles are similar if they have ___________ proportion

Zigmanuir [339]

Answer:

3

Step-by-step explanation:

SSS similarity states that all 3 sides must be proportional for the triangles to be similar

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3 years ago