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11111nata11111 [884]
3 years ago
6

Please help!

Mathematics
1 answer:
svet-max [94.6K]3 years ago
3 0

Answer:

  1. A.  3(10÷2) +2·7
  2. A.  0.4
  3. B.  -2.8
  4. C.  n·6 - 12 = 60

Step-by-step explanation:

1. The given expression evaluates to ...

  30÷2 + 2·7 = 15 + 14 = 29

The offered choices evaluate to ...

  A: 3(10÷2) + 2·7 = 3·5 + 2·7 = 15 + 14 = 29 . . . . . this will make it true

  B: 30÷(6+2)·7 = (30/8)·7 = 210/8 = 26 1/4 . . . . . . ≠ 29

  C: 3(10)÷(2+2)·7 = 30/4·7 = 210/4 = 52 1/2 . . . . . ≠ 29

  D: (5+2)·7 = 7·7 = 49 . . . . . . . . . . . . . . . . . . . . . . . ≠ 29

2. You can divide the equation by 10 to find the appropriate value of x.

  4/10 = 10x/10 = x . . . . . 4/10 matches choice A

3. The expression simplifies to ...

  7.5 -10.3 = -2.8 . . . . . . matches choice B

4. "The product of a number and 6" is n×6. Twelve less is n×6 - 12. When that "is 60", the equation can be written ...

  n×6 - 12 = 60 . . . . . . . . matches selection C

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Answer:

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Step-by-step explanation:

The slope-intercept form is y=mx+b, where m is the slope and b is the y-intercept.

y=mx+b

Find the values of m and b using the form y=mx+b.

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Step-by-step explanation:

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1. Thom has a scale model of his car. The
MariettaO [177]

x =\frac{4}{3}inch is the size in wheels on the scale model .

<u>Step-by-step explanation:</u>

Correct Question : Tom has a scale model of his car. The scale factor is 1 : 12. If the actual car has 16-inch wheels, what size are the wheels on the scale model?

We have , The scale factor is 1 : 12. We need to find If the actual car has 16-inch wheels, what size are the wheels on the scale model .Let's find out:

Ratio of size of wheels to actual size of wheels is 1:12 , but actual car has 16-inch wheels So ,

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