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Sveta_85 [38]
3 years ago
5

Factor completely the polynomial xy+2y-2x-4? please solve asap.

Mathematics
1 answer:
anygoal [31]3 years ago
5 0

Answer:

I think the answer is (x+2)(y-2)

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What happens to the value of the expression 10/d as d increases from a small positive number to a large positive number?
Zepler [3.9K]
The quotient, or resulting number, will decrease.
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Sqaure root99, pi^2, 9.8 repeated decimal least to greatest
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π^2, 9.8 repeating, square root of 99.

Step-by-step explanation:

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3 years ago
6^2r=800 round it to the nearest hundreth
kogti [31]

Question: solve for r: 6 ^ (2r) = 800


Answer: 1.87


Step-by-step explanation:

6 ^ (2r) = 800

log(6 ^ (2r)) = log(800)

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r = log(800) / (2 log(6))

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log can be any logarithm function.


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7 0
3 years ago
A quiz has thirty questions whose answers can only be correct or incorrect.
satela [25.4K]

Using a system of equations, it is found that Gina got 22 questions correct in the test.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

In this problem, the variables are:

  • Variable x: Number of questions she got correct.
  • Variable y: Number of questions she got wrong.

The test has 30 questions, hence:

x + y = 30 -> y = 30 - x.

She scored 152 points, hence, considering the value of each question:

8x - 3y = 152.

Since y = 30 - x:

8x - 3(30 - x) = 152

11x = 242

x = 242/11

x = 22

Gina got 22 questions correct in the test.

More can be learned about a system of equations at brainly.com/question/24342899

#SPJ1

4 0
2 years ago
Which shows a way to take apart 7?
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2 years ago
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