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3 years ago

Please help will give brainlest +30 points!

Mathematics

2 answers:

erica [24]3 years ago

7 0

B is 1 because when you plug in they both equal 1

AlladinOne [14]3 years ago

4 0

Answer:

Step-by-step explanation:

We are given two curves on a graph paper and we have to find the y varlues for the given x.

From the graph we can check for a value of x, what is the value of y from the curve.

x -3 -2 -1 0 1 2 3

Exp 8 4 2 1 0.5 0.25 0.125

Lin. 7.5 6 4.5 3 1.5 0 -1.5

We find that the two have the same values where the two curves intersect.

From the graph we find that near to -3 and near to 2 both have the same values.

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3 years ago

A train goes twice as fast downhill as it can go uphill, and 2/3 feet as fast uphill as it can go on level ground. If it goes 12

Yuri [45]

Answer:

0.5hrs

Step-by-step explanation:

Let the speed downhill be $x$ ,

Speed uphill is $0.5x$ . We are told than speed uphill is $\frac{2}{3}$ the speed on flat ground. Therefore the speed on level ground will be $\frac{0.5x}{2/3}=0.75x$ .

From this info, we can obtain the actual speed, $v_g$ on level ground as:

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$t=d/s\\=45/90\\=0.5h$

Hence it takes 0.5hrs to cover 45miles on flat ground.

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3 years ago

What is the lowest common denominator of 1/3 and 2/5

Citrus2011 [14]

Answer:

Step-by-step explanation:

3 and 5 are not common denominators so you have to find the lowest common denominator which is 15 because 3 times 5 is 15

8 0

3 years ago