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denpristay [2]
3 years ago
10

What’s the answer to this question? I’m confused as to how to do this.

Mathematics
1 answer:
choli [55]3 years ago
8 0

Answer:

x = 20

Step-by-step explanation:

(3x + 50) = (6x - 10)

Subtract 6x on each side

3x + 50 - 6x = -10

Combine the x values together

-3x + 50 = -10

Subtract 50 on each side

-3x = -60

Divide each side by -3

x = 20

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How do I find the angle x if the supplement of the angle is 8 times the angle?
lisov135 [29]

Answer:

20°

Step-by-step explanation:

According to the question, pair of supplementary angles are x and 8x

since they are supplementary, their sum is equal to 180°

x+ 8x = 180°

9x= 180°

x= 180°/9

x= 20°

4 0
3 years ago
What is the slope of the function?<br><br> –6<br> –4<br> 4<br> 6
nekit [7.7K]

Answer:

-6

Step-by-step explanation:

5 0
3 years ago
(-327) + 420 + 521=
Tems11 [23]
144 hope this helps! :)
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3 years ago
Read 2 more answers
The cost of 4 cookies, 6 doughnuts, and 3 boxes of doughnut holes is $8.15. The cost of 2 cookies, 3 doughnuts, and 4 boxes of d
Naddika [18.5K]

Answer:

$1.25

Step-by-step explanation:

This can best be determined using a set of linear equations that are solved simultaneously.

This pair of linear equations may be solved simultaneously by using the elimination method. This will involve ensuring that the coefficient of one of the unknown variables is the same in both equations.

Let the cost of a cookie be c, cost of a doughnut be d and that of a box of doughnut hole be h then if cost of 4 cookies, 6 doughnuts, and 3 boxes of doughnut holes is $8.15, we have

4a + 6d + 3h = 8.15

and the cost of 2 cookies, 3 doughnuts, and 4 boxes of doughnuts holes is $7.20 then

2a + 3d + 4h = 7.20

Dividing the first by 2

2a + 3d + 1.5h = 4.075

subtracting from the second equation

2.5h = 3.125

h = 1.25

The cost of a box of doughnut holes is $1.25

5 0
3 years ago
Yellow Cab Taxi charges a $1.75 flat rate for a ride in the cab. In addition to that, they charge $0.45 per mile. Katie has no m
Katena32 [7]

Answer:

.45x + 1.75 < 12

.45x < 10.25

x < 22.7 miles

8 0
3 years ago
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