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RoseWind [281]
3 years ago
11

22 is 40% of what number? 0)

Mathematics
1 answer:
Greeley [361]3 years ago
3 0

Step-by-step explanation:

22÷0.4 = 55

55 ×0.4 = 22

answer: 55

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Simplify:4sqrt400/4sqrt5. Show your work.
Deffense [45]
\frac{4 \sqrt{400} }{4 \sqrt{5} } =  \frac{ \sqrt{400} }{ \sqrt{5} } = \\  \frac{20}{ \sqrt{5} } *  \frac{ \sqrt{5} }{ \sqrt{5} } = \frac{20 \sqrt{5} }{5} } = 4  \sqrt{5}
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7 0
3 years ago
Read 2 more answers
15. In AABC if mZA is thirteen less than mzC and mZB is eleven less than four times m
vlabodo [156]

Answer:

m\angle A=21°

m\angle B=125°

m\angle C=34°

Step-by-step explanation:

Let the measure of angle C be x°.

Given:

In triangle ΔABC,

m\angle A is thirteen less than m\angle C and m\angle B is eleven less than four times m\angle C. This gives,

m\angle A = x-13

m\angle B=4x-11

Also, m\angle C=x

Now, for a triangle, the sum of all its interior angles is equal to 180°.

Therefore, m\angle A + m\angle B + m\angle C=180

Plug in all the values and solve for x. This gives,

x-13+4x-11+x=180\\6x-24=180\\6x=180+24\\6x=204\\x=\frac{204}{6}=34

Therefore, measure of angle C is 34°.

Measure of angle A is, m\angle A=x-13=34-13=21°.

Measure of angle B is, m\angle B=4x-11=4(34)-11=136-11=125°.

8 0
3 years ago
Explain how to divide tenth by. Tenths
nataly862011 [7]
Dividing by tenths is the same as multiplying by 1
                                                                             -
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3 0
3 years ago
PLS HELP!!!!!! 55 points!!!!!! Create an experiment about the probabilities associated with choosing a candidate for class presi
NemiM [27]

(How to find) Theoretical probability is what we expect to happen, where experimental probability is what actually happens when we try it out. The probability is still calculated the same way, using the number of possible ways an outcome can occur divided by the total number of outcomes.

(How to solve) Theoretical probability is a method to express the likelihood that something will occur. It is calculated by dividing the number of favorable outcomes by the total possible outcomes. The result is a ratio that can be expressed as a fraction (like 2/5), or a decimal

(How to experiment) Experimental probability is the results of an experiment, let's say for the sake of an example marbles in a bag. Experimental probability would be drawing marbles out of the bag and recording the results. Theoretical probability is calculating the probability of it happening, not actually going out and experimenting.

(Example) The theoretical probability of an event occurring is an "expected" probability based upon knowledge of the situation. It is the number of favorable outcomes to the number of possible outcomes. Example: Find the probability of rolling a 6 on a fair die.

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3 0
3 years ago
Read 2 more answers
A game is played using one die. If the die is rolled and shows 1​, the player wins $50. If the die shows any number other than 1
xxTIMURxx [149]
As rolling a one on a fair die has a probability of 1/6, on average it is likely that a one will be rolled around once every six rolls, therefore the game’s expected value is 0 because in six rolls one roll will yield 50 and the other five rolls -10 each granting a net total of 0.
7 0
3 years ago
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