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3 years ago

12

HELP ME OUT PLEASE I AHVE 5 MORE QUESTIONS

1 answer:

ziro4ka [17]3 years ago

4 0

The answer is
14
87
14
2
87
14

In a row

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What is the perpendicular distance from the line y= 2x-3 to the point (8,3)

Liula [17]

Find the perpendicular line then find the intersection then find the point

perpendicular lines have slopes that are perpendicular
the slopes multiply bo -1

y=mx+b
m=slope
y=2x-3
2 is slope

2 times what=-1
what=-1/2

the equation is
y-3=-1/2(x-8) or
y=(-1/2)x+7

find intersection
at (4,5)
distance bwetweeen (8,3) and (4,5)
D= $\sqrt{(8-4)^2+(3-5)^2}$
D= $\sqrt{(4)^2+(-2)^2}$
D= $\sqrt{16+4}$
D= $\sqrt{20}$
D=2√5
distance= 2√5

7 0

3 years ago

Set up, but do not evaluate, an integral for the volume of the solid obtained by rotating the region bounded by the given curves

Radda [10]

A washer has outer radius $2-x^2$ and inner radius $2 - \sqrt{x}$

$\displaystyle V = \int_0^1 \pi\Big[ \left( 2 - x^2 \right)^2 - \left( 2 - \sqrt{x}\right)^2\Big] dx$

4 0

3 years ago

What is the degree of the monomial?<br> a. 6x2<br> b. −x3y3<br> c. 7x

sergiy2304 [10]

Answer:

a. 2

b. 6

c. 1

Step-by-step explanation:

The degree is the highest exponent on the variable in an expression

a. 2

b. 6

Both x and y have exponents of 3. To determine the degree, add the exponents together. 3+3=6

c. 1

When no exponent is present on the variable, it is always 1.

5 0

3 years ago

A random sample of 35 business students required an average of 50.7 minutes to complete a statistics exam. Assume that the popul

love history [14]

Answer:

(47.3, 54.1)

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1 - 0.95}{2} = 0.025$

Now, we have to find z in the Ztable as such z has a pvalue of $1 - \alpha$ .

That is z with a pvalue of $1 - 0.025 = 0.975$ , so Z = 1.96.

Now, find the margin of error M as such

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

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

$M = 1.96\frac{10.4}{\sqrt{35}} = 3.4$

The lower end of the interval is the sample mean subtracted by M. So it is 50.7 - 3.4 = 47.3

The upper end of the interval is the sample mean added to M. So it is 50.7 + 3.4 = 54.1

The answer is (47.3, 54.1).

6 0

3 years ago

(Answer the given using PRB with the formula and pls give the full solution!!! )

juin [17]

Answer:

hoskina g to the people ina this contry

4 0

3 years ago