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tekilochka [14]
3 years ago
10

What is the value of x? Please help

Mathematics
2 answers:
SOVA2 [1]3 years ago
8 0

Answer:

x = 45

Step-by-step explanation:

x and 3x are adjacent angles and the form a straight line. Their sum will be 180 degrees

x +3x = 180

Combine like terms

4x = 180

Divide each side by 4

4x/4 = 180/4

x =45

Tamiku [17]3 years ago
8 0

Answer:

45°

Step-by-step explanation:

The angle of a supplementary line is 180 degrees, this means that:

x+3x=180 Solve for x

4x=180

x=45, The value of x is 45°

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The answers are <br> A.9<br> B.25<br> C.18 <br> D.15 <br> PLEASE HELPPPP
creativ13 [48]

Answer:

9

Step-by-step explanation:

Because I don't know but I think I'm correct.

3 0
3 years ago
What is the equation of the line that is parallel to the given
frez [133]

Answer:

<h2>y = 1/5x + 4</h2>

Step-by-step explanation:

We need to find the equation of the line parallel to the given line. To do this, we first need to understand what parallel lines are.

Rule 1: Parallel lines are two lines that never cross.

Let's solve!

To solve, we need to know what the slope of the line should be as we are already given the point it should pass through. to do this, we need to use a rule.

Rule 2: The slopes of parallel lines are always the same.

Slope = change y / change x

-4 - -3 (-4 + 3) = -1

-5 - 0 = -5

Slope = 1/5

Now, we can construct our equation

y = mx + b

y = 1/5x + 4

Since none of the answers are this, I assume you meant perpendicular instead. In that case, the answer would be, since the slope would be an opposite inverse of the original line, -5x + 4.

I'm always happy to help :)

7 0
4 years ago
Please help me fast and show all your work please thx ​
Dafna11 [192]

Answer:

Step-by-step explanation:

Area=\frac{1}{2}*(8+5)*2\\\\=\frac{1}{2}*13*2\\\\=13mm^{2}

8 0
3 years ago
Read 2 more answers
Answers to this question <br><br>8<br>2.5<br>12<br>3​
ladessa [460]

Answer:

3 = ?

Step-by-step explanation:

The triangles are similar, so we  can use ratios

15           12 -2

------   = --------------

15+?          12

15           10

------   = --------------

15+?          12

Using cross products

15 * 12 = 10 ( 15+?)

180 = 10 ( 15+?)

Divide each side by 10

18 = 15+?

Subtract 15 from each side

18-15 = 15+?-15

3 = ?

5 0
3 years ago
Nicole has $9 to spend on cards. She finds friends with the same amount of money to split the cost of a set. One set costs $27.
azamat
Each friend gets three cards.
7 0
3 years ago
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