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Marina CMI [18]
3 years ago
13

Janet can shovel snow from her driveway in 65 minutes. Jim can do the same job

Mathematics
1 answer:
Kay [80]3 years ago
4 0

Answer:

about 23 minutes

Step-by-step explanation:

(65x35)/(65+35)= 2,275/100= 22.75 minutes (or 23 if rounded)

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Step-by-step explanation:

-5(p + 3/5 ) = -4

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-5p - 3 = - 4

-5p = -4 +3

-5p = -1

therefore p = 1/ 5

7 0
3 years ago
Solve this equation:<br> 85-(6x+11)=6(x+8)+x
Lady_Fox [76]
85−(6x+11)=6(x+8)+x
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3 years ago
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A person's hourly pay rate, r, is found by dividing the total amount
marishachu [46]

Translating the words into formula, we have

r = \dfrac{p}{w}

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We can solve this formula for w in two steps: starting from the formula above, multiply both sides by w:

rw = p

And then divide both sides by r:

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4 0
3 years ago
A 12-foot ladder rests against the side of a house. The base of the ladder is 3 feet away from the side of the house. How high a
Triss [41]

Answer:

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Step-by-step explanation:

To solve this problem, we will use Pythagorean’s theorem. Now let’s visualize a right angled triangle in which the hypotenuse stands for the total ladder length and the base of the ladder standing away from the wall is say the adjacent.

The length of the ladder is the opposite which is the last side of the complete triangle.

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olya-2409 [2.1K]

Answer:

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1.  A+B>C

2.  B +C >A

3.  A+C>B

Thus given two sides of A=3 and B=7 C can be:

7 −3<C < 7+3

C range  

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