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3 years ago

1. The slope-intercept form of a line is shown below.

Mathematics

1 answer:

photoshop1234 [79]3 years ago

6 0

Answer:

Its, y = 2x + 5

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Which solid has five faces, four lateral faces, one base, five vertices, and eight edges?

Tanzania [10]

The solid that has five faces , four lateral faces, one base, five vertices, and eight edges would be :
Square pyramid

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3 years ago

5x² = 80 in a quadratic equation

TEA [102]

Here is a photo attached to the bottom right here. Hope this helps!

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3 years ago

Mika is a local farmer who is interested in how often residents in her town go to a farmer's market each month. She surveys 124

TEA [102]

Answer:

The margin of error is of 0.3012, and it means that we should be 99% confident that the population mean would be within 0.3012 of the sample mean.

Step-by-step explanation:

Margin of error

$M = z\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation and n is the size of the sample.

Standard deviation of 1.3

This means that $\sigma = 1.3$

She surveys 124 families

This means that $n = 124$

Margin of error and meaning:

$M = z\frac{\sigma}{\sqrt{n}}$

$M = 2.58\frac{1.3}{\sqrt{124}}$

$M = 0.3012$

The margin of error is of 0.3012, and it means that we should be 99% confident that the population mean would be within 0.3012 of the sample mean.

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3 years ago

a new line is drawn through the point (-3,6) and perpendicular to the line with x-intercept (3,0) and y intercept (0,3) . what i

Klio2033 [76]

Answer:

The equation of the new line is $y=x+9$ or $y-6=(x+3)$

Step-by-step explanation:

step 1

Find out the slope of the line with x-intercept (3,0) and y intercept (0,3)

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute the values

$m=\frac{3-0}{0-3}=-1$

step 2

Find the slope of the new line perpendicular to the given line

we know that

If two lines are perpendicular,then their slopes are opposite reciprocal (the product of their slopes is equal to -1)

$m_1*m_2=-1$

we have

$m_1=-1$ ----> slope of the given line

$m_2=1$ ---> slope of the new line

step 3

Find the equation of the new line in point slope form

$y-y_1=m(x-x_1)$

we have

$m=1$

$(x_1,y_1)=(-3,6)$

substitute

$y-6=(1)(x+3)$

$y-6=(x+3)$ ----> equation in point slope form

Convert to slope intercept form

$y=mx+b$

isolate the variable y

$y=x+3+6$

$y=x+9$

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3 years ago

Jackie's rain gauge showed 12 2/5 centimeters on April 15 and 15 2/10 centimeters on April 30. How many centimeters of rain fell

shepuryov [24]

Your answer will be B) 27 3/5

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3 years ago