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mote1985 [20]
2 years ago
11

Please PLEASE HELP ME PLEASE

Mathematics
2 answers:
marishachu [46]2 years ago
5 0

Answer:

1. 4(x+1)  2. 9+x   3. 21+x  4. 15+x  5. 9x+2  6. 2(2x+13y) 7. 29y+5x  8. 75x  9. 28x

Korvikt [17]2 years ago
3 0

Answer:

1. 4x+4

2. 9+x

3. 21+x

4. 15+x

5. 13x+2

6. 4x+26y

7. 29y+5x

8. 75x

9. 28x

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What is the difference in the steps you take to evaluate (-7)2 and -72 ? What is the
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Answer:

58

Step-by-step explanation:

because it is

3 0
3 years ago
FOR BRAINLIEST ANSWER ONLY:<br><br> 2.<br><br> 3.<br><br> 4.<br><br> 6.
nasty-shy [4]

Answer:

2. x = 2 & y = 4

3. x = 4 & y = 2

Step-by-step explanation:

2. x + y = 6

  2x + y = 8  (multiply the first equation by -1,  so you can eliminate the ys)

- x - y = -6

2x + y = 8  (now add the variables together)

x = 2 (plug in x in one of the equations to find out y)

x + y = 6

(2) + y = 6

-2           -2

y = 4

3. 3x + y = 14

          x = 2y (plug in x into the first equation and solve it for y)

3(2y) + y = 14

6y + y = 14

7y = 14

y =  2  (plug in y in one of the equations to find out x)

x = 2y

x = 2(2)

x = 4

4.  One number (x) is 2 more (+2) than twice (times 2) as large as another. their sum is 17. Find the numbers.

2x + 2 = 17 (solve for x)

     -2     -2

2x = 15

x = 7.5

6. 7 (4x + 1) - (x + 6) (start by distributing 7 into the first parenthesis)

  (28x + 7) - (x + 6) (do the same to the other parenthesis by distributing -1)

  (28x + 7)  (-x - 6) (and now just combine like terms)

   28x + 7 - x - 6

   28x - x + 7 - 6

   27x + 1

i hope this helped! if you have any question, pls let me know!

6 0
3 years ago
Nacir is buying school supplies. He purchases 8 notebooks for $12.48. How much does Nacir pay for 1 notebook?
Dmitry [639]
12.48/8= 1.56 per notebook

3 0
3 years ago
Read 2 more answers
Which of the following quadratic functions has the widest graph?
Luda [366]
If I am correct, the answer should be D. If you need further explanation, I can supply you with that as well.
4 0
3 years ago
CAN SOMEONE HELP WORK THIS OUT PLEASE
Gnom [1K]
A = 1000(1 + r)^t
A ?
R interest rate 0.06
T time 2 years

A=1,000×(1+0.06)^(2)
A=1,123.6 round your answer to get
1124 which is option c

Hope it helps!
5 0
3 years ago
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