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saul85 [17]
3 years ago
15

A function follows the rule y = -75 - 5 x . When the function's output is 25, the equation is 25 = -75 - 5 x .

Mathematics
1 answer:
Alex787 [66]3 years ago
5 0

Answer:

The function's input = x = -20

Step-by-step explanation:

Given the function

y = -75 - 5x

Given that the output = y = 25

substituting the value y=25 and solve to find the input 'x'

25 = -75 - 5x

5x = -75-25

5x = -100

Divide bothe side by 5

x = -20

Thus, the function's input = x = -20

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If 75% of a class answered the 1st question on a certain test correctly, 55% answered the 2nd question on the test correctly and
guapka [62]
100-20=80
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20+5=25
Answer=25
6 0
3 years ago
Solve using system of equations algebraically<br> y=2x-3 <br> x+y=18
Hitman42 [59]

Answer:

<em>(7, 11)</em>

Step-by-step explanation:

y = 2x - 3 .... (1)

x + y = 18 .... (2)

(1) ----> (2)

x + 2x - 3 = 18 ⇒ <u><em>x = 7</em></u>

y = 2(7) - 3 ⇒ <u><em>y = 11</em></u>

<em>(7, 11)</em>

6 0
3 years ago
What is the answer ?​
pav-90 [236]

Answer:

A is the correct answer.

4 0
2 years ago
5,499,785- 5,040,629 plz help
almond37 [142]
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5 0
3 years ago
Read 2 more answers
the sum of two numbers is 57. if the larger of the two numbers is 9 less than twice the smaller, find the two numbers
svp [43]

Answer:

The answer is 35 and 22

Because:

U let the numbers(#) be x and y (x will be the larger number and y the smaller number

So:

x + y =57

x = 2*y - 9

Therefore,

{2*y - 9} + y = 57

Leaving the two numbers 35 and 22

I hope I could help




7 0
3 years ago
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