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den301095 [7]
2 years ago
12

7x-9x=-36 (I know the answer but I’m not sure if I have the work right)

Mathematics
2 answers:
pav-90 [236]2 years ago
5 0

Answer:

18, is your answer!

Step-by-step explanation:

Artyom0805 [142]2 years ago
3 0

Answer:

I think that ur answer is 18 .

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F(x) = x2 + 10<br> What is the average rate of chan<br> hange of f over the interval [-2, -1]?
Readme [11.4K]

The average rate of change is given by [f(b) - f(a)]/(b - a), where a and b represent the interval [a, b].

Let a = -2

Let b = -1

[(-1)^2 + 10 - ((-2)^2 + 10)]/(-1 -(-2))

[1 + 10 - (4 + 10)]/(-1 + 2)

[1 + 10 -4 -10]/(1)

[1 - 4]/(1)

-3/1

Answer: -3

5 0
2 years ago
Nancy drove 400 miles in three days. She drove 113 on each of the first two days How many miles did she drive on the third day?
Gemiola [76]
113 what on each of the two day. Please clarify
4 0
3 years ago
What is 4/5 * 7/9. Ik It’s easy but I don’t feel like doing it ;)
valina [46]

Answer:

28/45

Step-by-step explanation:

Dont worry i also don't feel like doing fractions most the time they can get very annoying when you have to work with a lot of them.

7 0
2 years ago
Read 2 more answers
What is the minimum value of C = 7x + 8y, given the constraints: 2x + y ≥ 8, x + y ≥ 6, x ≥ 0, y ≥ 0. A. 32 B. 42 C. 46 D. 64
marshall27 [118]

Answer: The minimum value of C is 46.

Step-by-step explanation:

Since, Here, We have to find out Min C = 7x+8y

Given the constraints are 2x+y\geq 8 -------(1)

x+y \geq 6   ------------- (2)

x \geq 0, y \geq 0  -------- (3)

Since, For equation 1) x-intercept, (4, 0) and y-intercept (0,8)

And, 2\times 0+0\geq 8⇒0\geq 8 ( false)

Therefore the area of line 1) does not contain the origin.

For equation 2) x-intercept, (6, 0) and y-intercept (0,6)

And, 0+0\geq 6⇒0\geq 6 ( false)

Therefore the area of line 2) does not contain the origin.

Thus after plotting the constraints 1) 2) and 3) we get Open Shaded feasible region AEB ( Shown in below graph)

At A≡(0,8) , C= 64

At E≡(2,4),  C= 46

At B≡(6,0),  C= 42

Thus at B, C is minimum, And its minimum value = 42


5 0
3 years ago
Read 2 more answers
Please help, will mark brainliest if correct!!!
Hatshy [7]

Answer:8.5

Step-by-step explanation:

Pythagorean Theorem

A

a^2 + b^2 = c^2

3^2 + 8^2 = c^2

9 + 64 = c^2

73 = c^2

C= Sqrt (73)

C = 8.5

6 0
3 years ago
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