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dolphi86 [110]
3 years ago
5

Thus was really hard and took me a long time to process

Mathematics
2 answers:
nlexa [21]3 years ago
5 0
Since each three prices are multiples of 4, you want to list the multiples of 4.
4,8,12,16,20,24......
now, choose three of those multiples that add up to 24. for example- 4,8,12 (4+8+12=24). another example would be 16 and 8.
iogann1982 [59]3 years ago
4 0

12 I think because its half 24 and 3 x4 =12

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I barely ask questions but I really need help with #3 and a little with 4. On number four I got 1 1/20 which doesn’t seem right.
uranmaximum [27]
Let r, g and b represent red, green and blue.

r+g+b = 74

r=g-1

b=r+g

Again, r+g+b = 74.  Let's substitutte r+g for b:  r+g+(r+g) = 74.

Next, let's eliminate r.  Use r=g-1.  Then      g-1  + g + g-1 + g = 74

Combining the g terms,  4g - 2 = 74     => 4g = 76   =>  g = 19

Recall that r=g-1
and 
b=r+g

Find r.  If r=g-1, and g=19, then r = 19-1=18

Find b:  b = r+g = 18+19=37

So there are 37 blue candies, 18 red candies and 19 green candies.

Check:  37+18+19=74 ???  Yes.
8 0
3 years ago
PLEASE HELP!!!! 20 POINTS!!!
Vlad1618 [11]
Mass = density* volume
since density= mass/volume then mass/volume*volume=mass
= 4.5*0.4 =  1.80g

6 0
3 years ago
You are trying to heat up a cup of water with a butane lighter.
algol13

Answer:

Step-by-step explanation:

Remark

The formula for this is

Heat = m * c * Δt

Givens

Heat = unknown

m = 200 grams

c = 4.184 Joules / grams oC

Δt = the change in temperature = 35.7 - 22.3 = 13.4

Solution

Heat = 200 * 4.184 * 13.4

Heat = 11213 Joules

Heat = 11.2 Kj

It's hard to get the correct number of sig digs because the 200 is not qualified in any way.

Part 2.

This can really puzzle you until you know that heat given up = the heat taken on. The heat taken on was 11.2 Kj. The Butane lighter must have given that heat on.

Heat of Combustion = Heat Given Up / Number grams burned.

Heat of Combustion = 11.2 Kj / 0.23 grams

Heat of Combustion = 48.8 Kj / gram

8 0
2 years ago
752 second graders went to
Sophie [7]
752 second graders went to
see Hansel and Gretel on
Friday. 25% of the students
went to the bathroom during
the movie. How many kids
went to the bathroom?
8 0
2 years ago
Read 2 more answers
2 1/2 times (-3 3/4)
serious [3.7K]

Answer:

-9.375

Step-by-step explanation:

2 1/2 x (-3 3/4) = -9.375

3 0
2 years ago
Read 2 more answers
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