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4 years ago

PLEASE HELP ME

Mathematics

1 answer:

Brut [27]4 years ago

7 0

C. a (2, 1)
b (5, 3)
c (4, -1)

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9. Solve for x: 2x – y = (3/4)x + 6.

AlekseyPX

Answer:

x = 4(y + 6)/5

Step-by-step explanation:

2x - y = (3/4)x + 6

2x - (3/4)x = y + 6

(8x - 3x)/4 = y + 6

5x/4 = y + 6

5x = 4(y + 6)

5x = 4y + 24

x = (4y + 24)/5

Therefore, x = 4(y + 6)/5

4 0

3 years ago

the doctor recommended that Matt increase the number of calories you consume from 2000 to 2800 by what percent did the number of

nikdorinn [45]

Answer:

40% number of calories have increased

Step-by-step explanation:

Old Value ( Calories consume before) = 2000

New Value (increase in Calories consumed) = 2800

We need to find by what percent did the number of calories increase

To find percent increase, the formula used is:

$Percent\: increase=\frac{New\:Value-Old\:Value}{Old\:Value}\times 100%$

Putting values in formula and finding percent increase

$Percent\: increase=\frac{New\:Value-Old\:Value}{Old\:Value}\times 100\%\:\\Percent\: increase=\frac{2800-2000}{2000}\times 100\%\: \\Percent\: increase=\frac{800}{2000}\times 100\%\: \\Percent\: increase=0.4\times 100\%\: \\Percent\: increase=40\%$

So, 40% number of calories have increased

8 0

3 years ago

Select all the correct answers.

IgorLugansk [536]

ANSWER : -8x + 56
i got it correct on my test

3 0

2 years ago

I need help finding the value of n

Degger [83]

8n+3+9n+7=180
17n+10=180
17n=170
Answer
N=10

6 0

3 years ago

Read 2 more answers

PLEASE HELP! i got ten mins till due,

stellarik [79]

Answer:

If f(x) = 5x + 40, what is f(x) when x = –5 (D)

What is the inverse of the function f(x) = 2x – 10? (B)

Step-by-step explanation:

4 0

3 years ago