3 years ago

Read and write each number in expanded form 6,203,103

Mathematics

1 answer:

erastovalidia [21]3 years ago

8 0

Answer:

6,000,000+200,000+3,000+100+3

Step-by-step explanation:

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Given the diagram below, find X. The diagram IS<br> 40°<br> x - 15°<br> X =<br> degrees.

Crank

Answer:

X=65°

Step-by-step explanation:

Both angles combined is a right angle as indicated by the small square drawn on it, a right angle is always 90° therefore

(x-15°)+40°=90°

combine like terms

x+25°=90°

subtract 25° from each side

x=65°

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3 years ago

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Savatey [412]

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Sam chose a number. He then multiplied his number by 2 and added 7. His result was 23. What was his original number?

hichkok12 [17]

the original number was 8

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3 years ago

If x – 10 is a factor of x2 – 8x – 20, what is the other factor?

Svetach [21]

Answer:

The other factor is $(x+2)$

Step-by-step explanation:

we know that

$(x-a)(x-b)=x^{2}-xb-xa+ab$

$(x-a)(x-b)=x^{2}-(a+b)x+ab$

In this problem we have

$x^{2} -8x-20$

and

$a=10$ -----> because is a factor

substitute and solve for b

$x^{2} -8x-20=x^{2}-(10+b)x+10b$

$8=10+b\\b=-2$

Verify in the second equation

$-20=10b$ -----> $-20=10(-2)$ -----> $-20=-20$ --> is ok

The other factor is $(x+2)$

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3 years ago

Read 2 more answers

Are lines e and f parallel? Show your work.

SashulF [63]

Answer:

last two both should be = 180

Step-by-step explanation:

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3 years ago