3 years ago

Write an equation of the line that passes through the given point and is perpendicular to the given line

Mathematics

1 answer:

Otrada [13]3 years ago

4 0

fAnswer:

Step-by-step explanation:

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An article gave the following summary information for fracture strengths (MPa) of n = 196 ceramic bars fired in a particular kil

Oliga [24]

Answer:

54.80 MPa to 55.92 MPa

Step-by-step explanation:

Sample mean fracture strength (x) = 55.36 MPa

Sample standard deviation (s) = 3.99 MPa

Sample size (n) = 196.

The upper and lower bounds for a 95% confidence interval are given by:

$U=x+1.960*\frac{s}{\sqrt{n}} \\L=x-1.960*\frac{s}{\sqrt{n}}$

The upper and lower bounds of the confidence interval are;

$U=55.36+1.960*\frac{3.99}{\sqrt{196}}\\U= 55.92\\L=55.36-1.960*\frac{3.99}{\sqrt{196}}\\L= 54.80\\$

The 95% confidence interval for true average fracture strength is 54.80 MPa to 55.92 MPa

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4 years ago

Under a dilation centered at the origin, the point (-4 , 3) has image at (8 , -6) The dilation is _____

Sveta_85 [38]

Answer:

Step-by-step explanation:

see the image for the explanation

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3 years ago

The area of a triangle is 12 cm squared. If the base of the triangle is 4 cm what is the height

nlexa [21]

Answer:

6 cm

Step-by-step explanation:

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3 years ago

Find the pattern in the Fibonacci sequence and identify the next two terms.

klasskru [66]

For the Fibonacci sequence you add the two previous numbers. You always start with 0, 1 and you add 0 and 1 which makes 1 then 1 + 1 makes two and so on. The next number in the sequence would be 34 + 55, meaning 89, and after that would be 55 + 89, or 144.

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4 years ago

Find the value of w-9 given that –3w+5 = 2

melamori03 [73]

Answer:

$-8$