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Ugo [173]
2 years ago
12

Question number eight answer

Mathematics
1 answer:
Feliz [49]2 years ago
7 0

I think you forgot to attach the picture w/ the question . .

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Factor the gcf -5k^2+20k-30
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Everything is divisible by five, so pull out five

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One more than three-eighths of a number is eleven. Just write out equation do not solve please
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Let's just call the number x. 3/8ths of x and 1 more equals 11.

As an equation, this basically means

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What is cosθ = _____ based on this image<br> a)-3/5<br> b)-4/3<br> c)-4/5<br> d)-3/4
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For each expression, write an equivalent expression that only uses addition a. 20 - 9 + 8 -7 b. 4x - 7y - 5z + 6 c. -3x - 8y - 4
Genrish500 [490]

Answer:

a. =11+ 1

b. =4x+ (-7y) + (-5z) +6

c. (-3x) + (-8y) +(-4)+(-8/7z)

Step-by-step explanation:

a. 20 - 9 + 8 -7

=11+ 1  ( this is obtained by solving)

b. 4x - 7y - 5z + 6

=4x+ (-7y) + (-5z) +6

We multiply the negative sign with the positive sign to get a minus so the answer remains the same and the expression is written as an addition sum.

c. -3x - 8y - 4 - 8/7z

-[ 3x+8y+4+8/7z]

or

(-3x) + (-8y) +(-4) +(-8/7z)

The minus sign is taken as common leaving the expression with the plus only.

It can be written in the same manner as above, adding the negative terms so that the expression is written as a sum.

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2 years ago
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