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belka [17]
3 years ago
6

Please Help...

Mathematics
2 answers:
kicyunya [14]3 years ago
4 0
The answer is C. To find the average or mean, you add up all the values, then divide by how many values there are. 76+99+86=261. 261/3=87. So, I looked at the options and did the math. 76+99+86+88=349. 349/4=87.25. When I used 90, I got 87.75. When I used 99, i got 90 total. So, C is your answer. Hope I helped!
lys-0071 [83]3 years ago
3 0
The answer is B. It's definitely not A nor C.
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Find the x- and y-intercepts of the graph of 2x - y = 24. State your answers as
Ghella [55]
(12,-24)
x intercept is 12 & y intercept is -24
6 0
2 years ago
ANSWER ASAP!!!!
antiseptic1488 [7]
Y= -x+4
2x+2(-x+4)=8
2x-2x+8=8
8=8

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5 0
3 years ago
CAN SOMEONE HELP ME WITH WIYH THIS ?????
fomenos

Answer:

x = 14

Angle B = 121°

Angle C is 59°

Step-by-step explanation:

First we'll find x, then we'll find Angle B (by substituting in x), then we'll find Angle C (bc Angle B and C are supplementary--that us, they add up to 180°)

10x-19 = 7x+23 subtract 7x

3x-19 = 23 add 19

3x = 42 divide by 3

x = 14

Angle B is 10x-19, and if x=14, then its 10(14)-19

Angle B is 140-19

which is 121°

Angle B = 121°

Angle B and Angle C add up to 180°

121° + c = 180°

c = 180-121

Angle C is 59°

8 0
3 years ago
Find the perimeter of a rectangle with sides (3x-5) and (-2x+10)
Vinil7 [7]
2(3x-5) + 2(-2x+10)
6x-10 + -4x+ 20

=2x+ 10
5 0
3 years ago
Pls we only need part B to pass this subject
ikadub [295]

Answer: Weird

Step-by-step explanation: Maybe calculate all the numbers I guess.

8 0
2 years ago
Read 2 more answers
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