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Temka [501]
3 years ago
7

7) One track coach wants his athletes to race 5 miles around a track to measure how fast

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
5 0
Five laps? I don’t know if you meant to put that the track is a mile around, but if the track is a half mile around, an athlete would have to run 10 laps around the track to run 5 miles.
X=5/y, so x would be how many laps the athletes run, and y would be the length of the track. Hope this helps
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Help please!! 5th grade math.
PolarNik [594]

mixed number is 2 1/3

3 0
3 years ago
Read 2 more answers
3/4h-9=1/4h-1 i need help
Vlada [557]

<u> Answer I got for this was 16.

Subtract the 1/4 from the 3/4 and get 2/4, simplified: 1/2

You should have 1/2 h -9 = -1 by now,
Then add nine to the other side, getting 8.
You should have 1/2 h = 8.
Then divide 1/2 by 8.
8/1÷1/2 ---> 8/1 × 2/1 (you flip the fraction when you divide)
So your answer is 16!
Hopefully that helped!</u>

4 0
3 years ago
Pls show work/steps for both questions
aleksklad [387]

Answer:

Step-by-step explanation:

\frac{-5+2 \iota}{1+7 \iota}  \times \frac{1-7 \iota}{1-7 \iota} \\=\frac{-5+35 \iota+2 \iota-14 \iota^2}{1-49 \iota^2} \\=\frac{-5+37 \iota-14(-1)}{1-49(-1)} \\=\frac{9+37 \iota}{50} \\=\frac{9}{50} +\frac{37}{50}  \iota

2.

domain is x²≤36

|x|≤6

-6≤x≤6

or [-6,6]

3 0
3 years ago
Someone help me <br> Which expression is equivalent to the given expression? (3m^2n)^3/mn^4
VashaNatasha [74]

The expression (3m²n)³/mn⁴ is equivalent to the expression 9m³n⁻¹.

<h3>What is an equivalent expression?</h3>

The equivalent is the expressions that are in different forms but are equal to the same value.

The expression is given below.

(3m²n)³/mn⁴

By simplifying, we have

9m⁴n³ / mn⁴

9m³n⁻¹

More about the equivalent link is given below.

brainly.com/question/889935

#SPJ1

7 0
2 years ago
For males in a certain town, the systolic blood pressure is normally distributed with a
telo118 [61]

Answer:  (92, 128)

Step-by-step explanation:

According to the Empirical rule,

If the population is normallly distributed, then 95% of the population lies within 2 standard deviations from the mean.

Given: Mean = 110

Standard deviation = 9

The interval of systolic blood pressures represent the middle 95% of males:

(110-2(9), 110+2(9))

= (110-18, 110+18)

= (92, 128)

Hence, the interval of systolic blood pressures that represent the middle 95 % of males =  (92, 128)

4 0
3 years ago
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