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Alla [95]
3 years ago
7

How to get the number 4 with the numbers 2,3,6,8 using all of them and you only use it once.

Mathematics
1 answer:
sergey [27]3 years ago
5 0

Answer:

2 x 3 + 6 - 8

Step-by-step explanation:

2 x 3 = 6

6 + 6 = 12

12 - 8 = 4

:)

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working together, paul and dan can pick forty bushels of apples in 4.95 hours. Had he done it alone it would have taken dan 9 ho
Leya [2.2K]

Answer:

Step-by-step explanation:

If Daniel does 1/9 of the job in one hour

let x = Paul's rate

Paul does 1/x of the job in one hour

They both do the job in 4.95hrs

(1/9)(4.95) + (1/x)(4.95) = job completion

multiply both sides by 9x

(9x)(1/9)(4.95) + (9x)(1/x)(4.95) = 9x(1)

4.95x + 9*4.95 = 9x

4.95x + 44.55 = 9x

9x - 4.95x = 44.55

4.05x = 44.55

x = 44.55/4.05

x = 11 hours i.e time it takes for Paul to pick the 40 bushels alone

7 0
3 years ago
The inverse of Fx) is a function.<br> FOD<br> A. True<br> B. False
anastassius [24]
Not all functions have inverse functions. Those that do are called invertible. For a function f: X → Y to have an inverse, it must have the property that for every y in Y, there is exactly one x in X such that f(x) = y.
8 0
3 years ago
Which of the following is an equivalent representation of 2-3 ?
Tamiku [17]

Answer:

2/3 = 2×4 / 3×4 = 8/12 which is an equivalent fraction of 2/3.

Step-by-step explanation

Similarly, if we divide the numerator and denominator of 12/18 by 6 we get. 12/18 = 12÷6 / 18÷6 = 2/3. So 12/18 is an equivalent fraction of 2/3 as well.

7 0
3 years ago
Ben is saving money in his senior trip to Europe. On the first day, he put in $10 and plans to add five more dollars each day, W
Nadusha1986 [10]

Answer:

5xn+5

Step-by-step explanation:

if you times 5 by n amount of days you will get how much he would have on that day but you need to add 5 as he added 10 on the first day

hope that helps

(if that doesn't work try 5xn+10)

5 0
3 years ago
4x 2.8y 2x 2.2y 5x simplified
OverLord2011 [107]
The answer is x=-0.4545454545y
5 0
3 years ago
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