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oksano4ka [1.4K]
3 years ago
15

The distance between two cities is ninety miles, and a woman drives from one city to the other at a rate of 45 mph. At what rate

must she return if the total travel time is three hours and forty minutes?
Mathematics
2 answers:
Grace [21]3 years ago
6 0

Answer: 54 mph

Step-by-step explanation:

Rina8888 [55]3 years ago
3 0
Im 100 percent sure the answer is <span> 54 mph</span>
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The edge of a cube was found to be 15 cm with a possible error in measurement of 0.1 cm. Use differentials to estimate the maxim
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Answer: wait up getting your answers

Step-by-step explanation:

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4 years ago
Solve the equation for 1,<br>PV, PzV2<br>TT<br>Tz=7<br>(Type a single fraction.)​
slavikrds [6]

Answer:

2/14

Step-by-step explanation:

i tried my best

6 0
3 years ago
Evaluate.<br><br> 8d - 4 / 3 + c. when d = 5 and c = 6.
Lady bird [3.3K]

replace the values for the letters than follow order of operations:

8(5) - 4/3 + 6 =

40-1 1/3 +6

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5 0
4 years ago
PLEASEEEE HELPPP!!!! The surface area of a sphere is 289(pie) cm (squared). What is the approximate volume of the sphere?? And p
Novosadov [1.4K]
A - Area
V - Volume
A = 4piR^2
V = 1.33piR^3

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Plug this into the volume formula, and you'll get 1.33*pi*(4.8^3), which equates to 463.3 cubic centimeters.
8 0
4 years ago
How you do these problems
nevsk [136]
So basically, think of a ratio as a fraction for these problems. You see the 2 numbers and you put the first one as the numerator and the second as your denominator. For example:

5 to 10

We would change this into:

\frac{5}{10}

Because the problem says to simplify, we can divide both sides by 5 and simplify it into:

\frac{1}{2}

If the problem says 5:10 instead of "5 to 10" it's the same problem just with different wording. If the numbers are labeled, the you can write the labels next to the number it corresponds with.

If you have any questions, feel free to ask down in the comments, I'll be happy to work with you!
6 0
3 years ago
Read 2 more answers
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