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MaRussiya [10]
2 years ago
9

Brain teaser what is two plus two minus two plus four divided by two?

Mathematics
2 answers:
JulsSmile [24]2 years ago
7 0

Answer:

4

Step-by-step explanation:

2+2-2+4÷2

we go through

P- parentheses

E- exponents

M- multiplication

D- division

A- addition

S- subtraction

also note that we read it from left to right becaue × is not more important than ÷ and same goes to + and -

First step

2+2-2+(4÷2) --> 2+2-2+2

then

2+2-2+2 --> 4-2+2

then

4-2+2 --> 2+2

finally

2+2=4

quester [9]2 years ago
3 0

Answer:

4

Step-by-step explanation:

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How many quarts of water must be added to 2 gal of soup that is 50% chicken broth to make the soup 40% chicken broth?
timofeeve [1]

Step-by-step explanation: Well we would know that the original soup is one gallon water and one gallon broth because that is 2 gallons 50% to 50%.

Then to decrease the amount of broth by 10%, we would accomplish this by first turning the original gallons into quarts so we would have 4 quarts broth and 4 quarts water. We need to get a total of ten quarts SO........ we know that we need to add 2 MORE quarts of WATER.

Finally when we add all the quarts together we get 10 total with 6 water and 4 broth which totals to 60% water and 40% broth.

                           FINAL ANSWER: 2 QUARTS WATER

7 0
3 years ago
Jon sold 3/4 of his books and purchased 3 more. If Jon has 11 books now how many books did he have to begin with?
slava [35]
I hope this helps you



begin jons all book 4a


sold 4a.3/4=3a


remaining book 4a-3a=a

3 purcased book a+3=11

a=8


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5 0
3 years ago
in any given year a factory has a 10% probability of having a serious accident. about every how many years might the factory exp
Likurg_2 [28]

Years for one serious accident is 10 year

<u>Given:</u>

Probability of having a serious accident = 10% every year

P(serious accident) = 0.1

Number of years = n

<u>Computation:</u>

Years for one serious accident = 1 / Probability of having a serious accident

Years for one serious accident = 1 / P(serious accident)

Years for one serious accident = 1 / 0.1

Years for one serious accident = 10 year

Learn more:

brainly.com/question/23044118?referrer=searchResults

5 0
3 years ago
Solve x2 − 3x = −8.
yarga [219]
I hope this helps you

6 0
3 years ago
What is the equation of the line that passes through the points (–p, –q) and (p, q)?
Effectus [21]

slope (y2-y1)/(x2-x1)

m = (q--q)(p--p)

m = 2q/2p

m=q/p

point slope form

y-y1=m(x-x1)

y-q =q/p(x-p)

distribute

y-q=q/p *x -q

add q to each side

y = q/p *x

6 0
3 years ago
Read 2 more answers
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