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ollegr [7]
3 years ago
12

Kevin, Michael and Darren all do their own laundry at home. Kevin does his laundry every 9 days, Michael every 10 days, and Darr

en every 12 days. If they all did their laundry today, in how many days will the three of them all do their laundry again on the same day
Mathematics
2 answers:
Art [367]3 years ago
5 0
Lowest common multiple of all three numbers = 180 so 180 days
babymother [125]3 years ago
5 0
It will be 180 days until they all do laundry on the same day again. I found this by finding the least common multiple of each number.

12 x 15 = 180
10 x 18 = 180
9 x 20 = 180

Hope this helps!
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Solve for the height (h) of this triangular prism if the volume is 1080. The
dexar [7]

Answer: 18

Step-by-step explanation:

Area of triangle = (0.5) × base(b) × height(h)

Base of triangle = 8

Height of triangle = 15

Area of triangle = (0.5) × 8 × 15 = 60

Volume of triangular prism = B × height

Where h = height

B = area of triangle

Volume of triangular prism = 1080

Find the height(h) of the triangular prism

Volume of triangular prism = B × height

1080 = 60 × h

h = 1080 / 60

h = 18

4 0
3 years ago
.............................>
Natalka [10]

Answer:

70°

Step-by-step explanation:

because angle AMX and YMB are vertically opposite its equal

3 0
3 years ago
Read 2 more answers
A woman 5 ft tall walks at the rate of 7.5 ft/sec away from a streetlight that is 10 ft above the ground. At what rate is the ti
lesya [120]
Height of the woman = 5 ft
Rate at which the woman is walking = 7.5 ft/sec
Let us assume the length of the shadow = s
Le us assume the <span>distance of the woman's feet from the base of the streetlight = x
</span>Then
s/5 = (s + x)/12
12s = 5s + 5x
7s = 5x
s = (5/7)x
Now let us differentiate with respect to t
ds/dt = (5/7)(dx/dt)
We already know that dx/dt = 7/2 ft/sec
Then
ds/dt = (5/7) * (7/2)
        = (5/2)
        = 2.5 ft/sec
From the above deduction, it can be easily concluded that the rate at which the tip of her shadow is moving is 2.5 ft/sec. 
8 0
3 years ago
Which two quantities form a proportional relationship?<br><br> pls help asap ignore the answer i put
tatuchka [14]

Answer:

C

Step-by-step explanation:

15 times 2 is 30

1 times 2 is 2

Proportinal

Hope this helps

3 0
2 years ago
UHHHHHHHHHHH HELP ME cDrag and drop the answer into the box to match each multiplication problem. 0.45×104 0.45 × 1,000,000 0.45
Vladimir79 [104]
????????????????????
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