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SashulF [63]
3 years ago
6

(5,-7) (5,3) finding slope using formula.

Mathematics
1 answer:
aleksley [76]3 years ago
6 0

m = (y2 -y1)/ (x2-x1)

m = (3-(-7))

       --------

       5-5

 The slope is undefined since the denominator is zero

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what's the width of the base of a rectangle if the length is 70ft less than twice the width and the perimeter is 760
schepotkina [342]

Answer:

Let width be x ft

Length=2x-70 ft

Perimeter=760ft

Perimeter=2(x+2x-70)

760 ft=2(3x-70)

380ft=3x-70 ft

450ft=3x

x=450/3

x=150ft.

6 0
2 years ago
Which of the following is NOT a principle of making inferences from dependent​ samples? Choose the correct answer below. A. The
Serga [27]

Answer:

D. Testing the null hypothesis that the mean difference equals 0 is not equivalent to determining whether the confidence interval includes 0

Step-by-step explanation:

Dependent samples are samples that are related to one another.

In a hypothesis test, the hypothesis test and the confidence interval are equivalent in the sense that they result in the same conclusion.

However, in an hypothesis test , we fail to reject the null hypothesis if the rejection region is greater than the t-test statistics. It is therefore crucial to understand that if the true mean is zero. the confidence interval level for the mean of differences within the lower limit and the upper limits must contain zero , which implies the mean difference and the confidence interval  are equivalent.

8 0
3 years ago
The admission fee at a water park is $12.50 for children and $25.00 for adults On a certain day 352 people entered the park and
N76 [4]

Answer:

Children = 137

Adults = 215

Step-by-step explanation:

The admission fee at a water park is $12.50 for children

and $25.00 for adults.

On a certain day, 352 people entered the park and the admission fees collected totalled $6,687.50

Let the number of children admitted be x ,

and the number of adults admitted be y.

This forms a simultaneous equation:

x + y = 352 ... (i)

$12.50x + $25.00y = $6,687.50 ... (ii)

Multiplyng (i) by 12.50 and (ii) by 1 we get;

12.5x + 12.5y = 4400 ... (i)

12.5x + 25y = 6,687.5 ... (ii)

Subtracting (ii) - (i) we get;

12.5y = 2687.5

y = 215

So the number of adults admitted = 215

And the number of children admitted = 352 - 215 = 137

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6 0
2 years ago
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Is 1:4 equivalent to 8:64
RUDIKE [14]
The answer is no

Simplify 8/64= 1/8= 0.125

1/4= 0.25
7 0
2 years ago
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