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kari74 [83]
3 years ago
8

PLEASE HELP! 15PTS! GIVE EXPLANATION!

Mathematics
2 answers:
Tanzania [10]3 years ago
6 0
1/3m +3 - 5/6m= -15
I am going to change the first fraction to match the second fraction
2/6m +3 - 5/6m= -15
Simplify by subtracting 5/6m from 2/6m
-3/6m +3 = -15
Subtract 3 from each side
-3/6m = -18
Take the minus signs off
3/6m = 18
Simplify 
1/2m = 18
Divide by 1/2 on each side
m= 18 ÷ 1/2= 36
Option D, m is 36

Hope this helped
asambeis [7]3 years ago
3 0

Answer:D. 36

Step-by-step explanation:

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andrey2020 [161]

Answer:

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7 0
3 years ago
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Write it in its simplest form
Slav-nsk [51]
8/10 because 0.8 is in the tenths place, and then simplified it would be 4/5
4 0
3 years ago
Idk what to do.And this is due tomorrow
Flauer [41]

Answer:

<u>Question 1:</u>

5 pints per hour

<u>Question 2:</u>

480 tons per day

<u>Question 3:</u>

12 miles per gallon of gasoline

<u />

Step-by-step explanation:

<u>Question 1:</u>

<h2><em>In the morning;</em></h2>

A farm worker packed 3 pints of grapes every 4 minutes.

1 minute = \frac{1}{60} hours

Packing rate in pints per hour = 3 pints ÷ \frac{4}{60} hours = 45 pints per hour

<h2><em>In the afternoon;</em></h2>

She packed 2 pints of grapes every 3 minutes.

Packing rate in pints per hour = 2 pints ÷ \frac{3}{60} hours = 40 pints per hour.

The difference between her morning and afternoon packing rates (in pints per hour) = 45 pints per hour - 40 pints per hour = 5 pints per hour

<u>Question 2:</u>

A recycling plant processes an average of \frac{1}{3} tons of glass each minute.

1 hour = 60 minutes

The number of tons of glass processed in 1 hour is:

\frac{1}{3} × 60 = 20 tons of glass in 1 hour.

1 day = 24 hours

Number of tons of glass processed in a day = 20 tons × 24 = 480 tons

<u>Question 3:</u>

A vehicle uses 1\frac{1}{8} gallons of gasoline to travel 13\frac{1}{2} miles.

Per 1 gallon of gasoline the vehicle will travel:

1 × 13\frac{1}{2} ÷ 1\frac{1}{8} = 12 miles

5 0
3 years ago
Show that (3+4)2−(3−4)2−(4)(4)=32
tatuchka [14]

Answer:

Explanation below

Step-by-step explanation:

(3+4)= 7

7+2 = 9

-(3-4) (Invisible one)

-3+4 add to the 9

10

10+2= 12

12-4=8

8×4 =32

Sorry if this seems a bit confusing, but its quite hard to show the process without paper.

Hope this helps! :)

8 0
3 years ago
On average, Stan drinks 3/4 of a 8 ounce glass of water in 1/2 of an hour.
sweet [91]
<h3>Stan drinks 12 ounces of water in 1 hour</h3>

<em><u>Solution:</u></em>

Given that,

Stan drinks 3/4 of a 8 ounce glass of water in 1/2 of an hour

Which means,

\frac{3}{4}\ of\ 8\ ounce = \frac{1}{2}\ hour

\frac{3}{4} \times 8 = 0.5\ hour\\

Therefore,

6 ounces is drank in 0.5 hour

We have to find the water he drinks in an hour

Let "x" be the water he drinks in 1 hour

Thus we get,

6 ounce = 0.5 hour

x ounces = 1 hour

This forms a proportion and we can solve the sum by cross multiplying

6 \times 1 = 0.5 \times x\\\\0.5x = 6\\\\x = \frac{6}{0.5}\\\\x = 12

Thus, he drinks 12 ounces of water in 1 hour

5 0
3 years ago
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