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Oksana_A [137]
3 years ago
14

Lin runs 5 laps around a track in 15 minutes. How many minutes is per lap is that?

Mathematics
2 answers:
muminat3 years ago
8 0

Answer:

3 min per lap

Step-by-step explanation:

15 (minutes)/5 (lap)= 3 minutes

Ket [755]3 years ago
7 0

Answer:3 minutes per lap

Step-by-step explanation:

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Jimmy set his score for his math test. After the math teacher returnee his paper to him, he realized that if he increased his ta
mixer [17]
When ever you have percentages, it should be helpful to bear in mind you can express them as multipliers. In this case, it will be helpful.
So, if we let:
a = test score
b = target score
then, using the information given:
a = 1.1b + 1
a = 1.15b - 3
and we get simultaneous equations.
'1.1' and '1.15' are the multipliers that I got using the percentages. Multiplying a value by 1.1 is the equivalent of increasing the value by 10%. If you multiplied it by 0.1 (which is the same as dividing by 10), you would get just 10% of the value.
Back to the simultaneous equations, we can just solve them now:
There are a number of ways to do this but I will use my preferred method:
Rearrange to express in terms of b:
a = 1.1b + 1
then b = (a - 1)/1.1
a = 1.15b - 3
then b = (a + 3)/1.15
Since they are both equal to b, they are of the same value so we can set them equal to each other and solve for a:
(a - 1)/1.1 = (a + 3)/1.15
1.15 * (a - 1) = 1.1 * (a + 3)
1.15a - 1.15 = 1.1a + 3.3
0.05a = 4.45
a = 89

8 0
3 years ago
+ 2h + 5 when g = 3 and h = 6.
Rudik [331]
Is this the whole problem because I don’t see a “g”
Anywhere I’m the problem
5 0
3 years ago
The price of a movie ticket in a given year can be modeled by the regression equation y = 6.94(1.02x), where y is the ticket pri
Whitepunk [10]
I would say that the price would be 176.97.
4 0
3 years ago
Read 2 more answers
You are making flour and water paste. You add 14 cup of water to the paste. Your friend adds 12 cup of water to the paste. How m
patriot [66]

Answer:

<h2><u>26</u></h2>

Step-by-step explanation:

              14

            +

              12

            --------

              26

8 0
3 years ago
Pls help me on this.
Fiesta28 [93]
a) x=4

10+2x+6=24
-2x. -2x
10+6=-2x+24
-24. -24
10+6-24=-2x
simplify
-8=-2x
divide both sides by -2
4=x

2. x=7


14+3x+5=40
-3x. -3x
14+5=40-3x
-40. -40
14+5-40=-3x
-21=-3x
divide both side by -3
7=x




3 0
3 years ago
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