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adelina 88 [10]
3 years ago
15

Rewrite the expression so that the GCF is factored completely: 2x^3y+18xy-10x^2y-90y

Mathematics
2 answers:
Agata [3.3K]3 years ago
6 0

2x^3y+18xy-10x^2y-90y

= 2xy(x^2 + 9)- 10y(x^2 + 9)

= (x^2 + 9)(2xy - 10y)

= (x^2 + 9) 2y(x - 5)

= 2y (x^2 + 9) (x - 5)

Gemiola [76]3 years ago
3 0

The final answer is:

= 2y (x^2 + 9) (x - 5)

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Triangle ABC has angle measures as shown below. Using the information in the diagram, and the value of x that you calculated in
Minchanka [31]

Answer:

x=29

Step-by-step explanation:

180-87=93

93=3x+6

-6        -6

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93=3x

/3    /3

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29=x

x=29

*all angles in a triangle add up to 180. So, 35+52=93. 180-93=87.

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8 0
3 years ago
An 8-foot ladder is leaning against a wall. The top of the ladder is 5.5 feet from the ground.
Kobotan [32]

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3 0
3 years ago
There are 75 boys in the sixth grade. The ratio of girls to boys is 7 to 5. How many girls are there in sixth grade?
kolbaska11 [484]
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8 0
3 years ago
What is the question?
max2010maxim [7]

Answer:

(23, 4)

Step-by-step explanation:

If we use substitution, we need to rewrite the 2nd equation so we can substitute it into the first.

Step 1: Rewrite 2nd equation

x = 5y + 3

Step 2: Substitution

2(5y + 3) - 5y = 26

Step 3: Distribute

10y + 6 - 5y = 26

Step 4: Combine like terms

5y + 6 = 26

Step 5: Isolate <em>y</em>

5y = 20

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Step 6: Find <em>x</em>

x - 5(4) = 3

x - 20 = 3

x = 23

And we have our final answer!

7 0
3 years ago
Read 2 more answers
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