3 years ago

I need this one answered too, I'm not very good at fractions...

Mathematics

1 answer:

gizmo_the_mogwai [7]3 years ago

4 0

b is correct! good job :)

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- (3 x 100) + (7 x 10) + (4 x D) + (2 x 100)

Vlad1618 [11]

Answer:

70 + 4D

Step-by-step explanation:

- (2 x 100) + (7 x 10) + (4 x D) + (2 x 100)

- (200) + (70) + 4D + 200

-200 + 70 +4D + 200

-130 + 4D + 200

70 + 4D

5 0

3 years ago

Ryan rode his bike of a mile. James rode his bike of a mile. Who rode farther? Exactly how much farther? Use the rectangles belo

34kurt

Answer:

Stewhapt

rectangles-by-step explanation:

5 0

3 years ago

I can't get an answer for this question, can you help?

Ostrovityanka [42]

Answer:

x1=-2, x2=2

Step-by-step explanation:

8 0

3 years ago

You need to hang seven pictures in a straight line, in how many ways can this be done?

Furkat [3]

This is simple. It is 7 factorial, or 7!. This just means 7*6*5*4*3*2*1, which is 5040.

3 0

3 years ago

If 3x−y=12, what is the value of 8x/2y?

patriot [66]

Answer:

17.2

Step-by-step explanation:

3x=12+y

x=12+y/3

$8( \frac{12 + y}{3}) \div 2y$

$\frac{96 + 8y}{3} \times \frac{1}{2y}$

$\frac{96 + 8y}{6y}$

(y is divided by y so it no longer exists)

$\frac{96 + 8}{6}$

$\frac{104}{6}$

$17.2$

4 0

3 years ago