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Vsevolod [243]
3 years ago
10

Pls help ill give brainliest !!

Mathematics
2 answers:
AnnyKZ [126]3 years ago
4 0

Answer:

4

Step-by-step explanation:

Luba_88 [7]3 years ago
4 0

\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}

Actually Welcome to the Concept of the linear equations.

so we solve here as,

==> -4(-2y+3)=20

==> 8y -12 = 20

==> 8y = 20+12

==> 8y = 32

==> y = 4

hence value of y = 4 .

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8 x ( 14 + 7) = ____ + ( 8 x 7)
GaryK [48]
14+7= 21

8 x 21=168

8 x 7= 56

224
5 0
3 years ago
Read 2 more answers
Given the cost function C(x) = 0.81x + 60, 420 and the revenue function R(x) = 1.87x, find the break-even point
Viktor [21]

Answer:

x = 57,542.8571

Step-by-step explanation:

C(x) = 0.81x + 60,420

R(x) = 1.87x

At break even point, Cost function and revenue function becomes equal.

-> C(x) = R(x)

-> 0.81x + 60,420 = 1.87x

-> 60420 = 1.87x - 0.82x

-> 60420 = 1.05x

-> x = 60420/1.05

-> x = 57,542.8571

Thus, at break even point x = 57,542.8571

7 0
3 years ago
Math help needed!<br> What is the value of the expression?
oksian1 [2.3K]

Answer:

   A. 5

Step-by-step explanation:

35/2^3−1

= 35/8−1

= 35/7

= 5

Hope this helps!!

4 0
3 years ago
A. Solve (-1.15) × 3.2<br><br> B. Explain how you determined the sign of your answer
saveliy_v [14]

A. (-1.15)×3.2 = -(1.15×(3 + .2))

... = -(1.15×3 + 1.15×.2) = -(3.45 + 0.23)

... = -3.68

B. There are two factors in the product, one of which is negative. The total number of negative factors is an odd number, so the product will be negative.

You can also enter the numbers with their signs into a calculator, and it will correctly calculate the sign of the product.

3 0
3 years ago
it takes trevon ten hours to clean an attic. cody can clean the same attoc in seven hours.find how long it would take them if th
Lesechka [4]
(17/70)x = 70/70(17x)/70 = 70/7017x = 70x = 70/17x ≈ 4.1176
8 0
3 years ago
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