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Usimov [2.4K]
3 years ago
11

Danny poured 78 liters of water into containers x, y, and z. The ratio of the volume of water in container x to the volume of wa

ter in container y is 5:2. The ratio of the volume of water in container y to the volume of water in container z is 8:11.
a) how much water was poured into container s?

b) how much more water was poured into container x than container z?
Mathematics
1 answer:
STatiana [176]3 years ago
3 0
A) -
b) 1.82 times more. (5/2)(8/11)
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One coin in a collection of 65 has two heads. The rest are fair. If a coin, chosen at random from the lot and then tossed, turns
geniusboy [140]

Answer:

P=1/65.

Step-by-step explanation:

We knaow that one coin in a collection of 65 has two heads. If a coin, chosen at random from the lot and then tossed, turns up heads 6 times in a row. We calculate the probability that it is the two-headed coin.

We calculate  the number of possible combinations:

C_1^{65}=\frac{65!}{1!(65-1)!}=65

Number of favorable combinations is 1.

Therefore, the probability is

P=1/65.

6 0
3 years ago
The population of mastertown was 23,000 in 2012. assume that mastertowns population increases at a rate of 2% per year. write an
Svetlanka [38]
Alright, let's interpret it, first.

The question is asking us to first find two percent of 23,000, then right an equation.

Alright, first, let's find two percent of 23,000. To find that we must do 0.02*23,000

I got 460

So we know that Mastertown's population is increasing by 460 people per year. All we have to do now is plug that into the equation.

Population (y)= 460* amount of years (x)

So our final equation is y = 460x

Hope this helped! Ask any questions about it!
4 0
3 years ago
A parallelogram has side length of 9x+12 and 3x-4.what is the perimeter ?
Karo-lina-s [1.5K]
2(9x+12) + 2(3x-4)
because there are four sides, and it is a parallelogram, the opposite sides are equal. the answer is 24x+16
7 0
2 years ago
Please answer 4-8 much appreciated!
Luba_88 [7]

For 6 points, answering 5 questions is a rip-off.

However, I shall answer 7.

haha sike get noob

5 0
2 years ago
Read 2 more answers
Please help me I put 100 points for anyone who helps me
LenaWriter [7]

Answer:

a)

<u>The discount id 40%, so the function is:</u>

  • d = 0.4p

b)

  • p = 100 ⇒ d = 40
  • p = 200 ⇒ d = 80
  • p = 300 ⇒ d = 120
  • p = 400 ⇒ d = 160
  • p = 500 ⇒ d = 200

<em>The graph is attached</em>

c)

  • p = $85 ⇒ d = 0.4*$85 = $34

<u>Sale price is:</u>

  • CP = p - d = $85 - $34 = $51

7 0
3 years ago
Read 2 more answers
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