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Veronika [31]
3 years ago
7

Can someone help me with exercise #5 pls

Mathematics
1 answer:
jolli1 [7]3 years ago
5 0

Answer/Step-by-step explanation:

Exercise 5:

a. 180 pages was read in 5 days

Unit rate = pages per day = 180 pages ÷ 5 = 36 pages per day.

b. Number of pages of the book = 765 pages

Unit rate = 36 pages per day

Number of days to read the book = 765/36 = 21.25

It will take Kirk about 22 days to finish reading the book.

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A car travels at the rate of 350km in 5 hours.
leva [86]

Answer:

a.) 70 km per hour

b.) 245 km

Step-by-step explanation:

a.) Find how far the car can travel per hour by dividing:

\frac{350}{5}= 70

The car travels at a rate of 70 km per hour.

b.) Make an equation with <em>h</em> as hours and <em>d</em> as the distance the car can travel:

d=70h

Insert the hours:

d=70(3.5)

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d=70*3.5\\d=245

At a rate of 70 km per hour, in 3.5 hours, the car can travel a total of 245 km.

3 0
3 years ago
Is (x + 2) a factor of x + 6x2 + 3x – 10?
igomit [66]

Answer:

no

Step-by-step explanation:

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2(3x+5)(x-1)

6 0
3 years ago
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What is the slope of the line?<br><br>2<br><br>1<br><br>-2<br><br>1/2
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Step-by-step explanation:

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3 0
3 years ago
5x + 10 = 20
Andrei [34K]

To solve for <em>x</em>, we must first isolate the term containing <em>x</em> which in this problem is 5x.

Since 10 is being added to 5x, we subtract 10 from both sides of the equation to isolate the 5x.

On the left, the +10 and -10 cancel out and on the right, 20 - 10 is 10 and we have 5x = 10.

Now we can finish things off by just dividing both sides of the equation by 5. On the left the 5's cancel and on the right, 10 divided by 5 is 2 so <em>x = 2</em>.

4 0
4 years ago
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