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JulijaS [17]
3 years ago
11

What is the number form ,expanded form and the work form of the number 1157

Mathematics
2 answers:
SashulF [63]3 years ago
6 0
1000+100+50+7 is the expanded form
malfutka [58]3 years ago
3 0
1000+100+50+7 is the answer :)
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Sara has 20 sweets. She has 12 liquorice sweets, 5 mint sweets and 3 humbugs. Sarah is going to take, at random, two sweets Work
Debora [2.8K]

Answer:

111 / 190

Step-by-step explanation:

Let us first compute the probability of picking 2 of each sweet. Take liquorice as the first example. There are 12 / 20 liquorice now, but after picking 1 there will be 11 / 19 left. Thus the probability of getting two liquorice is demonstrated below;

12 / 20 * 11 / 19 = \frac{33}{95},\\Probability of Drawing 2 Liquorice = \frac{33}{95}

Apply this same concept to each of the other sweets;

5 / 20 * 4 / 19 = \frac{1}{19},\\Probability of Drawing 2 Mint Sweets = 1 / 19\\\\3 / 20 * 2 / 19 = \frac{3}{190},\\Probability of Drawing 2 Humbugs = 3 / 190

Now add these probabilities together to work out the probability of drawing 2 of the same sweets, and subtract this from 1 to get the probability of not drawing 2 of the same sweets;

33 / 95 + 1 / 19 + 3 / 190 = \frac{79}{190},\\1 - \frac{79}{190} = \frac{111}{190}\\\\

The probability that the two sweets will not be the same type of sweet =

111 / 190

3 0
3 years ago
How do I solve c=2πr
Xelga [282]
Find out what pi is and take 2× what ever number is pi and you will get an answer C=
5 0
3 years ago
What is the solution of x - 13 =5
Igoryamba
If you're looking for x then it would be x=18 since you add 13 to both sides to have x alone
8 0
3 years ago
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How many DVDs. A small independent movie company determines the profit P for producing n DVD copies of a recent release is P = −
Softa [21]

The company should produce "85" DVD's to maximize the profit.

According to the question,

The profit P for producing n DVD copies are

  • P=-0.02n^2+3.4n -16

Let,

  • The number of units be "n".

Now,

To find the minimize profit,

→ P'(n) = 0

→ -0.04n+3.4=0

By substracting "3.4" from both the sides, we get

→ -0.04n+3.4-3.4=-3.4

→                   -0.04n = -3.4

→                            n = \frac{-3.4}{-0.04}

→                            n = 85

Thus the answer above is right.

Learn more:

brainly.com/question/20862980

7 0
2 years ago
PLEASE HELP ME thank you if you do
Eduardwww [97]

Answer:

C) 12√2

Step-by-step explanation:

According to the 45-45-90 triangle x should be a√2 and since a = 12 (in this case) the answer is 12√2.

6 0
2 years ago
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