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Usimov [2.4K]
2 years ago
13

PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA POINTS*.. IM GIVING 40 POINTS !! DONT SKIP :((.

Mathematics
1 answer:
Ksju [112]2 years ago
4 0

Answer:

The answer is y = x + 38

PLEASE MARK BRAINLIEST!

AND THIS WAS ONLY 5 POINTS

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if an exterior angle of a regular polygon measures 15 degrees how many sides does it have ?a.23. b.24. c.25
dimaraw [331]

Answer:

B.24

Step-by-step explanation:

we know,

exterior angle  = 360°/n(where 'n' is number of sides)

then,

15° = 360°/n

n = 360°/15°

n = 24



3 0
3 years ago
500(x - 3) = 5000<br><br><br><br> x = _____
olya-2409 [2.1K]

Answer:

Step-by-step explanation:

500(x - 3) =5000

x - 3 = 5000/500

x - 3 = 10

x = 10 + 3

x = 13

6 0
3 years ago
How do I solve this equation
Anestetic [448]
-x - y = 8
2x - y = -1

Ok, we are going to solve this in 2 parts.  First we have to solve for one of the variables in one of the equation in terms of the other variable.  I like to take the easiest equation first and try to avoid fractions, so let's use the first equation and solve for x.

-x - y = 8      add y to each side
-x = 8 + y      divide by -1
x = -8 - y

So now we have a value for x in terms of y that we can use to substitute into the other equation.  In the other equation we are going to put -8 - y in place of the x.

2x - y = -1
2(-8 - y) - y = -1      multiply the 2 through the parentheses
-16 - 2y - y = -1      combine like terms
-16 - 3y = -1            add 16 to both sides
-3y = 15                   divide each side by -3
y = -5

Now we have a value for y.  We need to plug it into either of the original equations then solve for x.  I usually choose the most simple equation.

-x - y = 8
-x - (-5) = 8            multiply -1 through the parentheses
-x + 5 = 8                subtract 5 from each side
-x = 3                      divide each side by -1
x = -3

So our solution set is

(-3, -5)

That is the point on the grid where the 2 equations are equal, so that is the place where they intersect.

4 0
3 years ago
Which is the solution to the inequality? y minus 27 greater-than-or-equal-to negative 13
Y_Kistochka [10]

Answer:

y is greater than or equal to 14

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
PLEASE HELP ME PLZ!!!!!!!!! Can you anwser 13, 15, 17, 19, 21!!!!
madreJ [45]
#13 would be 100%.
#15 would be $9.90.
#17 would be 408.
#19 would be 27840.
#21 would be 26.
Sorry for the late reply. 
7 0
3 years ago
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