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irina1246 [14]
2 years ago
14

Please help me answer question 12

Mathematics
1 answer:
olasank [31]2 years ago
8 0

Answer:

x = 81, y = 68, z = 99

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Consider the triangle on the left, then

x = 180 - (36 + 63) = 180 - 99 = 81

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

x is an exterior angle of the triangle on the right, thus

13 + y = x , that is

13 + y = 81 ( subtract 13 from both sides )

y = 68

Consider the triangle on the right

z = 180 - (13 + y) = 180 - (13 + 68) = 180 - 81 = 99

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Answer quick please! Help fast!!
kolezko [41]

C, because when you add 45 on both sides, and then after that when you have to subtract 15 in both sides, you get 0 = 120.

8 0
3 years ago
The girl to boy ratio is 3 to 7 if there are 50 students total how many boys
Naddik [55]

Answer:

15 girls, 35 boys

Step-by-step explanation:

Step 1:

3 : 7       Ratio

Step 2:

3x + 7x = 50        Substitute

Step 3:

10x = 50     Add

Step 4:

50 ÷ 10     Divide

Step 5:

x = 5

Answer:

15 girls, and 35 boys     Multiply

Hope This Helps :)

5 0
3 years ago
Helene spends 3%of her budget on transportation expenses. Enter this percent as a
Vesnalui [34]

3% as a decimal is 0.03 and I think 3% as a fraction in simplest form is 3/100

8 0
3 years ago
Simone takes dance lessons. Her shoes cost $150 per year, her tights and leotards cost $70 per year, her hair accessories cost $
KATRIN_1 [288]
Ok so all you do is add 150+70+15+1000. That equals to $1235
6 0
3 years ago
Which describes the slope of the given line?
allsm [11]

Answer:

Option C (Negative)

Step-by-step explanation:

A line with a negative slope goes downward from the left side of the graph to the right side.

A positive line would be the opposite; the line goes upward form left to right.

A horizontal line has zero slope. A vertical line has undefined slope.

The given line has the line going downward.

Option C should be the correct answer.

Hope this helps.

4 0
3 years ago
Read 2 more answers
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