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ASHA 777 [7]
3 years ago
12

What is the probability of getting a 70 on a a. True b. False test were you guess?

Mathematics
1 answer:
Genrish500 [490]3 years ago
6 0
Both have equal probability .
 1/70
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If x+y=12and x-y=8, what is the value of 2x-xy?
slamgirl [31]

Answer:

2x - xy = 0

Step-by-step explanation:

We need to solve the equations simultaneously to find the values of x and y:

x + y = 12

x - y = 8 - we need to add the equations together

2x = 20

x = 10

Then we substitute x into one of the equations to find y:

10 + y = 12

12 - 10 = y

y = 2

Now we substitute x and y into the final expression:

2(10) - 2(10)

20 - 20 = 0

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3 years ago
A super train travels 1,500 miles in 12.5 hours. How many miles does it travel in one hour?
katen-ka-za [31]
Let's treat the speed in one hour as a variable.
We can say that 1500=12.5x
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120 mph is your answer.
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2 years ago
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8_murik_8 [283]

The answer is 1/4.

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Ronch [10]

Answer:

I think the answer is 26.5

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Write the formula for a function d(x) that describes the distance between the point p and a point (x,y) on the line.
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M=y2-y1 divided by x2-x1. or y=mx+b

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