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wariber [46]
3 years ago
13

Juan read 15 books in 9 months. How many books did he read in 24 months? And how many months did it take him to read 5 books?

Mathematics
2 answers:
larisa86 [58]3 years ago
8 0
0.8 months stan loona

levacccp [35]3 years ago
5 0

Answer:

40 books and 3 months

Step-by-step explanation:

b= books

15b=9months

1 month =15/9=5/3

24 months =24×5/3

24 months =8×5=40 books

1b=9/15

1b=3/5

5b =3/5×5

5b=3

it would take him 3 months to read 5 books

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Which equation in point-slope form contains the point (4, –1) and has slope 3?
Andrew [12]

Answer:

y+1=3(x-4)

Step-by-step explanation:

Hi there!

We are given a slope of 3 and a point (4,-1).

We need to find the equation of the line in point-slope form

Point-slope form is given as y-y1=m(x-x1), where m is the slope, and (x1,y1) is a point

We have all of the needed information to substitute into the formula

First, let's label the values of everything to avoid any confusion

m=3

x1=4

y1=-1

now substitute into the formula *remember, the formula has SUBTRACTION, and we have a NEGATIVE number, so we'll end up subtracting a negative*

y--1=3(x-4)

simplify

y+1=3(x-4)

That's it!

Hope this helps :)

4 0
3 years ago
There is a bag filled with 5 blue and 4 red marbles.
Delvig [45]

Answer:

8/18=4/9

Step-by-step explanation:

since it there is 1/6 for red marbles and 5/18 for blue marbles it works because it is 8*9=72 for the denominator and 4*3=12 so it is 12/72=1/6 and for blue it is 5/18 because it is 5*4=20 and 20/72=10/36=5/18 so it is 1/6+5/18=8/18=4/9

4 0
3 years ago
Complete the equation shown on the model
enyata [817]
Oh just complete it okay bae u got it
6 0
2 years ago
Mrs Dang drove her daughter to school at the average speed of 45 miles per hour. She returned home by the same route at the aver
drek231 [11]

Answer: Time it took her to get to the school is 0.6 hours

The distance of the school from their home is 27 miles

Step-by-step explanation:

Mrs Dang drove her daughter to school at the average speed of 45 miles per hour.

Let x miles = distance from the school to their home.

Distance = speed × time

Time = distance / speed

Time used in going to school will be

x/45

She returned home by the same route. This means that distance back home is also x miles.

She returned at an average speed of 30 miles per hour.

Time used in returning home from school will be x/30

x/45

If the trip took one half hour, then the time spent in going to school and the time spent in returning is 1 1/2 hours = 1.5 hours. Therefore

x/30 + x/45 = 1.5

(15x + 10x) /450 = 1.5

15x + 10x = 450 × 1.5 = 675

25x = 675

x = 675/25 = 27

Time it took her to get to the school will be x/45

= 27/45 = 0.6 hours

8 0
3 years ago
Holly invested £3000 in a savings account the account paid compound interest of 4% per year work out how much was in the account
pogonyaev
Exponential function 
form of interest rates 

P(1 + r)^x
where p is the prime and r is rate of change and x is time in years 

3000(1 + 4%)^1
The answer would be 
3000(1.04)^1 = 3120 Euros 
3 0
3 years ago
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