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andrew11 [14]
3 years ago
6

If someone spent 9/15 hour shopping and 4/5 cleaning, how much more time in hours was spent cleaning?

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
3 0

Answer:

Step-by-step explanation:

4/5 - 9/15 =

12/15 - 9/15 =

3/15 reduces to 1/5

so he spent 1/5 of an hr more cleaning

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Find the diagonal of a square whose sides are of the given measure. <br>Given = 6"​
ikadub [295]

Answer:

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Step-by-step explanation:

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3 years ago
Determine whether the three points are collinear.<br> (0, - 10). (-3,- 13), (2,-8)
LUCKY_DIMON [66]

Answer:

<h2>YES. These points are collinear.</h2>

Step-by-step explanation:

If three points are collinear, then the slopes are the same.

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

For (0, -10) and (-3, -13):

m=\dfrac{-13-(-10)}{-3-0}=\dfrac{-13+10}{-3}=\dfrac{-3}{-3}=1

For (-3, -13) and (2, -8):

m=\dfrac{-8-(-13)}{2-(-3)}=\dfrac{-8+13}{2+3}=\dfrac{5}{5}=1

We can check the last pair (0, -10) and (2, -8):

m=\dfrac{-8-(-10)}{2-0}=\dfrac{-8+10}{2}=\dfrac{2}{2}=1

5 0
3 years ago
Dan has five times as many $1 bills as $5 bills. he has a total of 48 bills. how many of each does he have?
Sholpan [36]
Let the number of $1 bill be x and $5 bill be y
x=5y
5y+y=48
6y=48
x=40
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number of $1 bill= 40
number of $5 bill = 8
6 0
3 years ago
Seventh grade
alexandr402 [8]

Answer:

$690.86

Step-by-step explanation:

100% from the original cost is: 2 x 863.57 = $1,727.14

40/100 = X/1727.14 (40 percent is what of 1,727.40) (%/100 = is/of)

(40 * 1,727.14) / 100 = $ 690.86

6 0
2 years ago
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malfutka [58]
It’s b because 94 is negative so that means you have to subtract to get -70
8 0
3 years ago
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