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Alborosie
2 years ago
7

It took Fred 12 hours to travel over pack ice from one town in the Arctic to another town 360 miles away. During the return jour

ney, it took him 15 hours. Assume the pack ice was drifting at a constant rate, and that Fred’s snowmobile was traveling at a constant speed relative to the pack ice. What was the speed of Fred's snowmobile?
Mathematics
1 answer:
Lana71 [14]2 years ago
7 0
It took Fred 12 hours
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3 years ago
The ratio of people who walk home from school to people who ride the bus home is 2 : 7 2 : 7 . The number of bus riders is how m
SashulF [63]
Ratio walkers to riders 2:7

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3 years ago
What value(s) of x will make each equation below true
Dahasolnce [82]

We need to solve for x. Let's try problem b:

2x-6=3x+1-x-7

Let us first combine line terms. 3x and -x as well as 1 and -7 can be combined. Let's do that:

2x-6=2x-6

Since this is true, your answer would be:

All real numbers

------------------------------------------------------------------

Let's solve for problem c:

3x+1=43

Let's isolate x, so subtract 1 from both sides:

3x=42

Since x can't have a coefficient, divide both sides by 3:

\frac{3x}{3}=\frac{42}{3}

x=14

So, only the value of 14 would make this equation true.

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Let's try problem d:

4x-1=4x+7

Let's get our whole numbers on the right side. Add 1 to both sides:

4x=4x+8

Subtract 4x from the right side on both sides:

0=8

Since this is not true, your answer would be:

No solution

7 0
3 years ago
6 and<br> Find the value of this expression if x<br> y--1.<br> xy2<br> -5
zysi [14]

Answer:

y = 5;  x = 1/5

Step-by-step explanation:

xy = 1    ----->  x = 1/y

xy^2 = 5 -----> 1/y * y^2 = 5

y^2 / y = 5

y = 5

5x = 1

x = 1/5

Hope this Helps!

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3 years ago
What is the spread of the data?
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The spread of data is A 15 to 30 years
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