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Marianna [84]
3 years ago
14

Simplify: 8 y ( y - 4) + 3 y ( y + 2).

Mathematics
1 answer:
Nastasia [14]3 years ago
7 0
8 y ( y - 4) + 3 y ( y + 2) =
8y² - 32y + 3y² + 6y =
11y²-26y

C)11 y 2 - 26 y
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 student found the slope of a line that passes through the points (1, 14)and (3, 4) to be 5. What mistake did she make?
vladimir2022 [97]
Y2-y1/x2-x1
(1,14) & (3,4)
y2= 4
y1=14
x2=3
x1=1

So....

(4-14)/(3-1) = -10/2 = -5

The answer should be negative instead of positive, she probably subtracted 4 from 14 instead.
5 0
3 years ago
Solve the following expression when<br> m = 5 and d = 4<br> m2 + 2d + 8 + d
docker41 [41]
M2 + 2d + 8 + d

5(2) + 2(4) + 8 + 4

10 + 8 + 8 + 4

10 + 16 + 4

26 + 4

30
8 0
3 years ago
19. The temperatures at sunrise and sunset<br> are shown in the table
Likurg_2 [28]

The temperature change on the second day is greater than the temperature change on the first day.

<h3>What is temperature change?</h3>

The term temperature change refers to the difference in the temperature between the sunrise and the sunset. The temperature at sunrise and sunset are shown in the table attached to this answer.

The change in temperature on the first day is;

13.49 - (-11.31) = 24.80

The change in temperature on the second day is;

25.25 - (-7.69) = 32.94

Thus, the temperature change on the second day is greater than the temperature change on the first day.

Learn more about temperature change:brainly.com/question/11186605

#SPJ1

8 0
2 years ago
which expression correctly shows the commutative proberty? a)8+14+22+9=(8+14)+(22+9). b)8+14+22+9=8+(14+22)+9. c)8+14+22+9=53. d
Lerok [7]
D has the commutative property because it just flip flopped the numbers.
5 0
4 years ago
Does the relation {(5,-2), (5,-8), (4,-6), (7,-1)} represent a function?
Sergio [31]

Answer:

no, it does not

Step-by-step explanation:

if it was a function, all the x values would've been different, but since 5 is repeated, it is not a function.

5 0
3 years ago
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