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nevsk [136]
3 years ago
13

What’s the point slope of (0,2) and (-4,1)

Mathematics
2 answers:
katrin2010 [14]3 years ago
4 0

Answer:

y-2=1/4 (x-0)

Step-by-step explanation:

find slope (y-y/x-x) then plug in the points to they equation y-y=m(x-x)

Vinil7 [7]3 years ago
3 0

Answer:

1/4 or rise 1 run 4

Step-by-step explanation:

Equation:

y2-y1

———-

x2-x1

1-2

——

-4-0

=1/4

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Solve for P if E = 2.50 and r = 2.00 given that E = P4πr2
const2013 [10]

Answer:

P = 0.05

Step-by-step explanation:

E = P4πr²

2.50 = P4π(2)²

2.50 = P4π4

2.50 = P(50.265)

P = 0.05

5 0
3 years ago
An automobile manufacturer has given its van a 47.2 miles/gallon (MPG) rating. An independent testing firm has been contracted t
7nadin3 [17]

Answer:

A

The  test statistics is  t  = -1.7

B

The  Null and  Alternative hypothesis are

      H_o  :  \mu = 47.2   and  H_a :  \mu \ne  47.2

Step-by-step explanation:

From the question we are told that

    The population mean is  \mu  =  47.2 miles/gallon(MPG)

    The sample size is  n =  250 \ van

     The  sample mean is  \= x  =  47.0

      The sample  standard deviation is  \sigma  =  1.9

      The level of significance is  \alpha  =  0.02

Given that the value which the manufacturer gave the automobile is  47.2 and  it is believed that this is not correct, then  

The  Null Hypothesis is  

        H_o  :  \mu = 47.2

The alternative Hypothesis  is  

        H_a :  \mu \ne  47.2

The test statistics can be mathematically evaluated as  

        t  =  \frac{\= x- \mu}{\frac{\sigma }{\sqrt{n} } }

substituting values

        t  =  \frac{\= 47- 47.2}{\frac{1.9 }{\sqrt{250} } }

       t  = -1.7

7 0
2 years ago
What unfortunate mistake did the champion ice skater make with his gold medal
Fed [463]

Answer:

He Had It Bronzed

Step-by-step explanation:

Hope this help pls mark as brainlest!!

5 0
2 years ago
What is the value of x in the equation 4(2x + 12) = 0? a −8 b −6 c 6 d 8
alex41 [277]

Answer:

the answer is b:-6

Step-by-step explanation:

hoped I helped:)

5 0
2 years ago
The following quadrilateral is a parallelogram.
Natali5045456 [20]

Answer:

70

Step-by-step explanation:

Angle Q and angle P are supplementary angles, so they add up to 180 degrees.

6x + 4 + 10x = 180

16x + 4 = 180

16x = 176

x = 176/16

x = 11

Put x in angle Q as 11 and solve.

6(11) + 4

66 + 4

= 70

Angle Q measures 70 degrees.

7 0
3 years ago
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