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amm1812
3 years ago
5

Roger had $1200. He bought a phone with 0.4 of the money and a helmet with 0.5 of the remaining money. What is the amount of mon

ey Roger had left?
Mathematics
1 answer:
Paul [167]3 years ago
7 0

Answer:

the remaining money is $1189.22

Step-by-step explanation:

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What is fifty seven and one hundred forty two thousandths in standard form?
Vinvika [58]
57.142 i think it would be correct
4 0
3 years ago
Read 2 more answers
Two trains leave New York at the same time heading in opposite directions. Train A travels at 4/5 the speed of train one. After
grandymaker [24]
<h3>Answer:  </h3><h3>speed of train A = 44 mph</h3>

=============================================

Work Shown:

x = speed of train A

y = speed of train B

"train A travels 4/5 the speed of train B" (I'm assuming "train one" is supposed to read "train B"). So this means x = (4/5)y

distance = rate*time

d = x*7

d = (4/5)y*7 = (28/5)y represents the distance train A travels

d = y*7 = 7y represents the distance train B travels

summing those distances will give us 693

(28/5)y + 7y = 693

5*(  (28/5)y + 7y ) = 5*693

28y + 35y = 3465

63y = 3465

y = 3465/63

y = 55

Train B's speed is 55 mph

4/5 of that is (4/5)y = (4/5)*55 = 4*11 = 44 mph

Train A's speed is 44 mph

8 0
3 years ago
A number with one or more digits to the right of the point
Vikki [24]
When you say right of the point do you mean the positive side? If you are it can be 1,2,3,4,5,6,7,8,9,10.........


6 0
3 years ago
Determine which relation is a function.
lutik1710 [3]

Answer:

A

Step-by-step explanation:

One easy way to determine if a coordinate is a function or not is to look at the number in the x's place only. There should not be the same number on the x's side for a different pair.

Every pair has a different number on the x's side, which is why A is the only possible answer.

3 0
2 years ago
You are on the high school basketball team. The ball you use has a diameter of 9 inches. What is the volume of the ball? Use 3.1
nlexa [21]

Answer:

63.6

Step-by-step explanation:

5 0
2 years ago
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