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cestrela7 [59]
3 years ago
10

Brainly for correct answer

Mathematics
1 answer:
ratelena [41]3 years ago
7 0

Answer:

x + 2y = 8

Step-by-step explanation:

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The answer is c, hope it helps

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3 years ago
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Math help will give brainliest<br>X is 7 but I got m angle D wrong
STatiana [176]
Answers: 
x = 7
The measure of angle D is 14 degrees

-----------------------------------------------
-----------------------------------------------

Angle C and angle D are complementary, which means they add to 90 degrees. 

(angle C) + (angle D) = 90
(12x-8) + (3x-7) = 90
12x-8 + 3x-7 = 90
(12x+3x) + (-8-7) = 90
15x-15 = 90
15x-15+15 = 90+15
15x = 105
15x/15 = 105/15
x = 7

So you have the correct x value. Nice work.

Now use this x value to find the measure of angle D

angle D = 3*x - 7
angle D = 3*7 - 7
angle D = 21 - 7
angle D = 14 degrees

5 0
3 years ago
Identify the constants from this expression.<br> 5x - 7x + 5 - 12 + 4x - 3
skelet666 [1.2K]

Answer:

5, -12, -3

Step-by-step explanation:

A constant is a number by itself. Here, you can see that 5X is paired with a letter, that means that 5X is not a constant. So you could say that any whole number is a constant number and in this problem, 5, -12 and -3 are all the constant numbers in this expression.

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2 years ago
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zlopas [31]

Step-by-step explanation:

y + 4 = -2x + 2

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x = -2 -y/2

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3 years ago
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Plllzzzz illl give a brainliest plz help
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Answer:

d.

Step-by-step explanation:

10^-2 = .01

times 6= .06 and 60%= .6

8 0
2 years ago
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