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lakkis [162]
3 years ago
5

Solve the following system of equations graphically. 2x -y = -1 x + y = -2

Mathematics
1 answer:
Alenkasestr [34]3 years ago
8 0

Answer:

  (x, y) = (-1, -1)

Step-by-step explanation:

See below for the graph. The point of intersection of the two lines is (-1, -1).

The solution is (x, y) = (-1, -1).

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A population of caribou in a forest grows at a rate of 5% every year. If there are currently 248 caribou, which function represe
ANEK [815]

Answer: I think that the answer is C because 5% is 5 out of 100 and 5 out of 100 as a decimal is 0.05 and you are trying to find how much the population will have increased so you have to multiply 248 by 5% or you have to multiply 248 by 0.05

Step-by-step explanation:

6 0
3 years ago
if your bicycle tire has a diameter of 9 inches. how many rotations does each tire make if you travel 300 feet?
Vesnalui [34]
Step One
Calculate the number of feet traveled in 1 rotation.

Formula
C = π*d
P = 3.14
d = 9 inches = 9/12 feet = 3/4 of a foot.

C = 3.14 * 3/4 = 2.355 So that means that every time the tire turns around 1 complete turn, the distance traveled on the ground is 2.355 feet.
 
Step Two
Figure out the number of revolutions.
1 revolution = 2.355 feet
x revolutions = 300 feet.

1/x = 2.355/ 300  Cross multiply
2.355 feet * x = 1 rev * 300 feet
2.355 x = 300 rev Divide by 2.355
x = 300 / 2.355 
x = 127.39 revolutions. <<<< Answer

8 0
3 years ago
Solve for the questions (both of them) and label you answers for which question
zheka24 [161]
Jjbbh I don’t under stand
7 0
3 years ago
(3ab-3a-8)-(-4ab-8) find the difference
sdas [7]
3ab - 3a - 8 + 4ab + 8
7ab -3a
6 0
3 years ago
Step by step explanation:<br><br> 12b - b =77
ozzi

Answer:

7

Step-by-step explanation:

12b -b = 11b

11b = 77

Divide both sides by 11

b = 7

8 0
3 years ago
Read 2 more answers
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