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Reil [10]
3 years ago
10

Josie is training For a race. The ratio of the number of minutes She runs to the number of miles she runs in 20 to 3 she plans t

o run 10 miles. How many minutes will it take her
Mathematics
1 answer:
Hitman42 [59]3 years ago
8 0
It will take her about 67 minutes .. ( rounded )
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The bike portion of an ironman competition is 112 miles. Your friend says that if you continue to bike at this pace, you will be
Roman55 [17]
We have no clue because you have not said what the speed/pace is. At a speed of 17.23 mph you will bike 112miles in 6.5 hours.
5 0
3 years ago
X - y = -2<br> y = -x - 2<br> What is the solution
LenKa [72]

Answer:

<em>x </em>= -2

<em>y </em>= 0

Step-by-step explanation:

Pretty hard process, but let me explain:

First, solve for y.

Substitute -x - 2 for y in x - y = -2:

Then, simplify both sides of the equation.

x - y = -2

x - (-x - 2) = -2

After, add -2 to both sides of the equation.

2x + 2 = -2

2x + 2 + -2 = -2 + -2

Next, divided both sides by 2.

2x/2 = -4/2

After that, substitute -2 for x in y = -x - 2:

You must simplify both sides of the equation.

y = -x - 2

y = -(-2) - 2

y = 0

Sorry if this is long and confusing, but I hope this helps!!

4 0
3 years ago
Which expression is equivalent
NemiM [27]
Answer:
6(3) - 4 + (3)^2

Explanation:
We will do this on two steps:
1- get g(x)-f(x)
2- substitute with x = 3

Step 1:
f(x) = 4-x^2
g(x) 6x
g(x) - f(x) = 6x - (4 - x^2)
               = 6x - 4 + x^2

Step 2:
Substitute with x = 3 as follows:
g(x) - f(x) at x = 3 is:
6(3) - 4 + (3)^2

Hope this helps :)

8 0
3 years ago
Penny sells knitted scarves for 12$ each. The cost of supplies to make each scarf is x dollars. How much profit will Penny make
vodomira [7]

Answer:

If I'm guessing, you're supposed to write an equation. So the answer would be yx + 12y.

Step-by-step explanation:

4 0
3 years ago
I need help with this ^^ <br> It’s about choosing a graph to fit a narrative
jenyasd209 [6]
1. The fourth graph: D
2. The first graph: A
3 0
3 years ago
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