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ycow [4]
2 years ago
15

What is the slope of the line shown below?

Mathematics
2 answers:
mel-nik [20]2 years ago
6 0

Answer:

1/4 or D

Step-by-step explanation:

motikmotik2 years ago
6 0

Answer:

1/4

Step-by-step explanation:

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

m=(1-(-1))/(5-(-3))

m=(1+1)/(5+3)

m=2/8

simplify

m=1/4

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She has a 67% chance of getting anything other than a multiple of 3.

Step-by-step explanation:

8 to 4

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2 years ago
Which of the following is the equation of a circle with a radius of 10 cm and center at (–3, 6)?
vlabodo [156]

The equation of a circle is (x - h)² + (y - k)² = radius² where (h, k) is the ordered pair for the center.

(x - (- 3))² + (y - 6)² = 10²

(x + 3)² + (y - 6) = 100

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3 years ago
Is 6 a solution to the quotation 2x squared + 8 equals 80​
Nonamiya [84]

Answer:

Step-by-step explanation:

2x²+8=80

2x²=80-8=72

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x=±√36

x=±6

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8 0
3 years ago
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2 years ago
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A study of 40 English composition professors showed that they spent, on average, 13 minutes correcting a student's term paper. T
photoshop1234 [79]

Answer:

a)

90% confidence interval for the mean grading time of all composition papers.

(12.47981 , 13.52019)

b)

Appropriate inequality

The interval is  ( 12.47981 < μ < 13.52019)

Step-by-step explanation:

<u><em>Explanation</em></u>:-

a)

Given sample size 'n' = 40

Mean of the sample = 13 minutes

standard deviation = 2 min

level of significance = 0.10 or 90%

90% confidence interval for the mean grading time of all composition papers.

( x^{-} - Z_{0.1} \frac{S.D}{\sqrt{n} } , x^{-} + Z_{0.10} \frac{S.D}{\sqrt{n} } )

 ( 13 - 1.645 \frac{2}{\sqrt{40} } , 13 +1.645 \frac{2}{\sqrt{40} } )

( 13 - 0.52019 , 13 + 0.52019)

(12.47981 , 13.52019)

b)

The interval is  ( 12.47981 < μ < 13.52019)

7 0
3 years ago
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