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morpeh [17]
3 years ago
12

PLEASEEE HELP PLS ASAPPP GIVING BRAINLIEST!!!!

Mathematics
1 answer:
Alenkinab [10]3 years ago
3 0

Answer:

50 is the answer brainliest?

Step-by-step explanation:

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Jan is draining her garden pond. The pond had 100 gallons of water, and she can drain it at 0.75
oee [108]

Answer:

120 minutes.

Step-by-step explanation: it says before it only has 10 gallons left. Subtract to get 90 gallons before solving. 90/0.75=120. It will take her 120 minutes to have 10 gallons left after draining 90 gallons.

3 0
3 years ago
-4(3s)+2 (-t); for s = 1/2, t = -3<br>please help me
kumpel [21]
Hi there. :)

I'll try to make this simpler for you.

Let's focus on the equation from left to right, to avoid clutter.

-4(3 * 1/2) = -4(1.5)

Now to the right.

+ 2(3) = + 6

Now combine!

-4(1.5) + 6 = 

-6 + 6 = 0

The answer is 0.
7 0
4 years ago
What is -8x + 2 = -7x + 10
RSB [31]
-8x+2=-7x+10
-x+2=10
-x=8
x=-8
7 0
4 years ago
Read 2 more answers
How many seats are in the library?
solmaris [256]
12 tables seat 4 people = 48 seats
28 tables seat 2 people= 56
therefore there are 104 seats
6 0
4 years ago
A box of crayons has 12 different coloured crayons in it. 4 crayons are given to one
k0ka [10]

Answer:   34,560

Step-by-step explanation:

Total crayons of different color = 12

Total children = 3

Each child will get 4 crayons.

Number of combinations of selecting <em>r</em> things out of <em>n</em> things = ^nC_r=\dfrac{n!}{r!(n-r)!}

The number of ways of selecting the first 4 crayons for first child = ^{12}C_4=\dfrac{12!}{4!(12-4)!}=\dfrac{12\times11\times10\times9\times8!}{(24)\times 8!}\\\\=495

Colors left = 12-4 =8

Now, the again selecting 4 colors out of 8 for second child = ^{8}C_4=\dfrac{8!}{4!(8-4)!}=\dfrac{8\times7\times6\times5\times4!}{(24)\times4!}=70

Colors left =4

Number of ways of selecting 4 colors out of 4 for third child  =1

Total number of ways = 495 x 70 x 1 = 34650   [By fundamental principle of counting]

Hence, the total number of ways = 34,560.

7 0
4 years ago
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