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blagie [28]
3 years ago
13

I was wondering on how to actually do this equation...like the whole thing

Mathematics
1 answer:
Tatiana [17]3 years ago
6 0
Vertical angles are equivalent so
7x-4=87

and 4 to both sides to remove the negative numbers, the new equation is
7x=91
Then divide both sides by 7 and you get the answer
1x=13

Makes sense?
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The square of a number minus six times a number equals negative five.
olga_2 [115]

Answer:

x² - 6x = -5

x = {1, 5}

Step-by-step explanation:

The square of a number minus six times a number equals negative five.

x² - 6x = -5

Add 5 to both sides

x² - 6x + 5 = 0

Factor

(x - 1)(x - 5) = 0

x = {1, 5}

3 0
3 years ago
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Find the sum of (8a + 2b – 4) and (3b – 5).
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Answer:

8a +5b -9

Step-by-step explanation:

the sum of (8a + 2b – 4) and (3b – 5)

(8a + 2b – 4) + (3b – 5)= 8a +5b -9

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The measure of the quality of a person's life based on income and the type and quantity of goods available to him or her is
denis-greek [22]

Answer:

Standard of Living

Step-by-step explanation:

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3 years ago
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A bag with 10 marbles has 2 yellow marbles, 4 blue marbles, and 4 red marbles. A marble is chosen from the bag at random. What i
Juliette [100K]

Answer:

1/10 should be the correct answer

hope this helps!!

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A quadrilateral has angle measures of 102°, 84°, and 77°. What is the measure of the fourth angle?
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Answer:

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= 360-263

= 97°

Hope this helps!

6 0
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