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aliina [53]
3 years ago
8

Ishi walked a total of 2 1/2 miles on a treadmill. He walked at a constant rate of 4 miles per hour. which expression shows how

long, in miles ishi walked on the treadmill?
Mathematics
1 answer:
ella [17]3 years ago
5 0

Answer: 0. 625 hour

Step-by-step explanation:

Given;

distance = 2 1/2 mile= 5/2 mile

speed = 4mile/hr

speed = distance /time

time = distance/speed

=5/2 / 4

= 5/2 × 1/4

=5/8

=0. 625 hour

we can convert to minute by simply multiplying by 60

Time taken (in minute) = 0. 625 × 60 = 38minutes

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jan has a 12-ounce milkshake.Four ounces in the milkshake are vanilla,and the rest is chocolate.What are two equivalent fraction
bagirrra123 [75]

Answer:

In this item, we are given that out of 12 ounces of ingredients comprising the milkshake, there are 4 ounces vanilla. Expressing this into fraction will give us an answer of 4/12. This fraction can be one of the answers. Since we are asked for two fractions, we can simplify 4/12 such that we get an equivalent fraction that is equal to 2/6. Hence, the answers to this question are 4/12 and 2/6.

Step-by-step explanation:

7 0
2 years ago
19 x 9 short division
Colt1911 [192]

Answer:

170

Step-by-step explanation:

your welcome np 8 hope you appreciate it

3 0
2 years ago
5x^2=11x-2 quadratic equation
hjlf

Given data:

The given equation is 5x^2= -11x-2.

The given equation can be written as,

\begin{gathered} 5x^2=-11x-2 \\ 5x^2+11x+2=0^{} \\ 5x^2+10x+x+2^{} \\ 5x(x+2)+1(x+2)=0 \\ (5x+1)(x+2)=0 \\ x=-\frac{1}{5},\text{ x=-2} \end{gathered}

Thus, the values of x are x=-1/5, and x= -2.

4 0
1 year ago
Rewrite the equation
k0ka [10]

Answer:

r=C/2π

Step-by-step explanation:

here we just have to rearrange the given formulae in such a way that it finds out the value of r.

Given formulae is C=2πr

we can carry 2π to the left hand side.

r=\frac{C}{2π} . is the recquired formulae.

6 0
3 years ago
A jet plane flies at 450 miles per hour. How far does it travel in 18 minutes
SVEN [57.7K]
<h3><u>How to solve this problem?</u></h3>

The way I would solve this problem is by first finding the unit rate, or the rate that the jet plane travels in one minute. Then I would multiply the rate by the number of minutes I want to know how far the jet plane flies; in this case it would be multiplied by 18 minutes.

<h3><u>Finding the unit rate.</u></h3>

Let's start by finding the unit rate. To find the unit rate we would divide the ratio, 450 miles:60 minutes (one hour) by 60 minutes to make the 60 minutes become one minute and 450 miles become 7.5 miles.

450 miles:60 minutes ÷ 60/60

7.5 miles:1 minute

<h3><u>Solving the question.</u></h3>

The unit rate is 7.5 miles per minute. Since we know the jet plane flies 7.5 miles every one minute, we can multiply this amount by 18 minutes to find how many miles the place can fly in 18 minutes.

7.5 miles * 18 minutes = 135 miles

The answer to your question is the jet plane travels 135 miles in 18 minutes.

4 0
3 years ago
Read 2 more answers
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