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sdas [7]
4 years ago
6

2x + 7 = 5x - 8 (x - 4)

Mathematics
1 answer:
gtnhenbr [62]4 years ago
8 0

Answer:

x=5

Step-by-step explanation:

2x + 7 = 5x - 8 (x - 4)

Distribute

2x+7 = 5x - 8x +32

Combine like terms

2x+7 = -3x+32

Add 3x to each side

2x+7+3x = -3x+32+3x

5x+7 = 32

Subtract 7 from each side

5x+7-7 = 32-7

5x = 25

Divide by 5

5x/5 = 25/5

x=5

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Valentin [98]

Answer:

2x^{2} +\frac{7}{x}

Step-by-step explanation:

divide each by x

7 0
3 years ago
Function f is an exponential function.
anyanavicka [17]
If the 316 is supposed to be 3/16 and the 34 is supposed to be 3/4, then your answer is 2. 


4 0
3 years ago
Read 2 more answers
Suppose a club publishes a newsletter. Expenses are$.50 for printing and mailing each copy, plus$300 total for research and writ
luda_lava [24]

200 copies must be  sold

n= number od newsletters

0,50*n+300=2,00*n

300=1,5*n

Divide both sides by 1,5

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5 0
4 years ago
Read 2 more answers
Cities A & B are 5 inches apart on a map. Cities Ce Dare 4 inches apart. If C & D are 900 miles apart how many miles apa
Afina-wow [57]

Answer:

<u>Cities A and B are 1,125 miles apart</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Distance between A and B in the map = 5 inches

Distance between C and D in the map = 4 inches

Real distance between C and D = 900 miles

2. How many miles apart are cities A and B?

We will solve the question, using Direct Rule of Three, as follows:

Distance in the map      Real distance

A - B     5 inches                    x

C - D     4 inches                900 miles

***************************************************

4x = 900 * 5

4x = 4,500

x = 4,500/4

x = 1,125 miles

<u>Cities A and B are 1,125 miles apart</u>

Same answer to question 14701120, answered by me today

8 0
4 years ago
PLEASE HELP ME ASAPP !!​
Andreas93 [3]

Answer:

1. you start with $ 3 and save $1 each month

2. your total savings is 3 times the number of month multiplied by itself

3. you save $3 the first month and then each month the amount triples

Step-by-step explanation:

1.

as y axis represents savings while x axis represents months

the statement "you start with $ 3 and save $1 each month"

is best described by the graph of straight line having slope of 1 and intercept of 3.

2. your total savings is 3 times the number of month multiplied by itself

          = 3(x)(x)

          = 3x^2

3.  as y axis represents savings while x axis represents months

the statement  "you save $3 the first month and then each month the amount triples" is best described by the exponential graph starting to rise from point (1,3) which means $3 save at 1 month.

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4 0
3 years ago
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