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nadya68 [22]
3 years ago
11

Solve the system of equations.

Mathematics
1 answer:
professor190 [17]3 years ago
4 0

Answer:

Hello,

-4 x + 11 y = 15 ⇔ -4 (2 y) + 11 y = 15 ⇔ 3 y = 15 ⇔ y = 5

x = 2 y = 10

Step-by-step explanation:

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How to find a tangent ratio
maxonik [38]

Answer:

The tangent ratio is the value received when the length of the side opposite of angle theta is divided by the length of the side adjacent to angle theta. It is very commonly abbreviated as tan.

4 0
3 years ago
Polygon C CC has an area of 40 4040 square units. Kennan drew a scaled version of Polygon C CC using a scale factor of 1 2 2 1 ​
xenn [34]

Answer:

10 square units.

Step-by-step explanation:

Area of Polygon C = 40 square units.

Scale factor used in obtaining polygon D = \dfrac12

To obtain the area of the new polygon, we multiply the area of the polygon from which it was derived by the square of the scale factor.

Therefore:

Area of Polygon D

=40 \times (\frac12)^2\\\\=40 \times \frac14\\\\=10$ square units

The area of polygon D is 10 square units.

8 0
3 years ago
PLEASE, ANSWER WILL GIVE BRAINLIEST
balu736 [363]
0.30 • 18 = 5.4
0.30 • 40 = 12
0.30 • 9 = 2.7
0.30 • 70 = 21
0.30 • 48 = 14.4
0.30 • 26 = 7.8
0.30 • 14 = 4.2
Add the sums together which would be 67.5
Subtract $100 from $67.5 and that would be $32.5

Answer: $32.50 change
7 0
3 years ago
Please help asap
Shkiper50 [21]
I am not to sure but I think that it is 111.804 inches^3 I hope I am right if not I am really sorry.
6 0
3 years ago
Read 2 more answers
PLZ GUYS THIS IS REALLY HARD
Marina CMI [18]

lol, there are three.

Step-by-step explanation:

thanks for the points I guess.

8 0
2 years ago
Read 2 more answers
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