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makkiz [27]
3 years ago
14

8 Which expression is equivalent to 4.8 + 2.2w – 1.4w + 2.4?

Mathematics
1 answer:
krok68 [10]3 years ago
8 0

Answer:

7.2 + 0.8w

Step-by-step explanation:

Combine like terms.

Here Like terms: i) 2.2w and (-1.4w)

                         II)   4.8 and 2.4

4.8 + 2.2w - 1.4w + 2.4 = 4.8 + 2.4 + 2.2w - 1.4w

                                     = 7.2 + 0.8w

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Reika [66]
7 1/4 rounds to 7
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7 - 6 = 1 <== ur estimate
8 0
3 years ago
Y = 6x − 11 −2x − 3y = −7 *
Deffense [45]
6x - 11 - 2x = -7
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3 years ago
Nikhil invests all of his $ 350 at a rate of 3% per year simple interest.Calculate the total value of this investment after 7 ye
Andrew [12]

answer:

423.5

step1.

you find the value of 3% by dividing over 100 because percentage is over 100 so 3/100

step2

multiply by $350

so 3/100×350=10.5

step3

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step4

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3 0
3 years ago
In a multipack of crisps there are 6 salt and vinegar, 9 ready salted and 6 cheese and onion. Write the ratio of salt &amp; vine
s2008m [1.1K]

Answer:

salt & vinegar : ready salted : cheese and onion

2                               3                      2

Step-by-step explanation:

salt & vinegar : ready salted : cheese and onion

6                               9                      6

Divide each by 3

salt & vinegar : ready salted : cheese and onion

6 /3                           9/3                      6/3

2                                    3                         2

3 0
3 years ago
Read 2 more answers
2x^2-50=x^2-1<br> solve by factoring<br> step by step please
AnnZ [28]

Answer:

x = -7, 7

Step-by-step explanation:

  • 2x²-50 = x² -1
  • 2x²-x²-50+1 = 0
  • x²-49 = 0
  • (x+7)(x-7)
  • x = -7, 7
7 0
3 years ago
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