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tiny-mole [99]
3 years ago
13

Please help it is due today

Mathematics
1 answer:
just olya [345]3 years ago
8 0

Answer:

4 2/5 tons

Step-by-step explanation:

2/5 = 4/10 = .40

4.40 tons > 4.3 tons

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Write the sentence as an equation.<br> 378 Is the same as w times 241, decreased by 223
never [62]

Answer:

it should be 378 = w(241 - 223)

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25% of 200 is ? i cant seem to figure it out someone please help me.
Kaylis [27]
50. 
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If the student has already read 2525 of the pages, how long will it take them to read the rest of the book? _____ minutes Your a
Alja [10]

The number of pages the student can read in a minute is an illustration of rates.

The time left to complete the whole book is 90 minutes

From the complete question, the student's rate is:

\mathbf{Rate = 50\ pages/hr}

The number of pages is:

\mathbf{Total = 100\ pages}

First, we calculate the time to read the whole book

\mathbf{Total\ Time = \frac{Total\ pages}{Rate}}

\mathbf{Total\ Time = \frac{100\ pages}{50\ pages/ hr}}

\mathbf{Total\ Time = 2\ hours}

The number of the student has read is:

\mathbf{Pages = 25}

Next, we calculate the time spent on the 25 pages

\mathbf{Time\ Spent = \frac{Pages}{Rate}}

\mathbf{Time\ Spent = \frac{25\ pages}{50\ pages/hr}}

\mathbf{Time\ Spent = 0.5\ hr}

Convert to minutes

\mathbf{Time\ Spent = 30\ minutes}

So, the time left is:

\mathbf{Time\ Left = Total\ Time - Time\ Spent}

This gives

\mathbf{Time\ Left = 2\ hours- 30\ minutes}

\mathbf{Time\ Left = 1\ hour, 30\ minutes}

Convert to minutes

\mathbf{Time\ Left = 90\ minutes}

Hence, the time left is 90 minutes

Read more about rates at:

brainly.com/question/18065083

5 0
3 years ago
You can work no more than 60 hours each week at your two jobs. Dog walking pays $7 per hour and your sales job at Computers &amp
SVEN [57.7K]

Answer:

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Step-by-step explanation:

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x------> the number of hours in the dog walking job

y----->  the number of hours in the sales job

we know that

x+y\leq 60 -----> inequality A

7x+12y\geq 450 ------> inequality B

Remember that

If a ordered pair is a solution of the system of inequalities

then

the ordered pair must satisfy both inequalities

we have

(-3,50) ------> Is not a possible solution

Because the number of hours can not be negative

3 0
3 years ago
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I need help with this this is hard
saveliy_v [14]

Answer:

n > -6 and n < 8! Heart it if it was helpful :D

Step-by-step explanation:

Okay! So n has to be bigger than -6, but smaller than 8. So the inequalities are n > -6 and n < 8!

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