Please help me and give me the right answer!

Btw the options for 5 are A-105.7 B-10.57 C-1.057 D-0.1057

marin [14]

4. 19
5. A. 105.7

By the way, if you're struggling with math problems I recommend you khan academy

Hope this helps :)

8 0

3 years ago

PLEASE HELP!!! Write the equation of a line that goes through the point (6, 3) and is perpendicular to the line y = 4x + 1.

Tpy6a [65]

For this case we have that by definition, the equation of a line in the point-slope form is given by:

$y-y_ {0} = m (x-x_ {0})$

Where:

m: It is the slope of the line and $(x_ {0}, y_ {0})$ is a point through which the line passes.

We have the following equation of the slope-intersection form:

$y = 4x + 1$

Where the slope is $m = 4$

By definition, if two lines are perpendicular then the product of their slopes is -1.

Thus, a perpendicular line will have a slope:

$m_ {2} = \frac {-1} {m_ {1}}\\m_ {2} = \frac {-1} {4}\\m_ {2} = - \frac {1} {4}$

Thus, the equation will be of the form:

$y-y_ {0} = - \frac {1} {4} (x-x_ {0})$

Finally we substitute the given point and we have:

$y-3 = - \frac {1} {4} (x-6)$

Answer:

Option B

8 0

3 years ago

Moritz bought an ottoman that is cube shaped with side lengths of 2 feet. Its lid is removable for storing blankets and pillows.

jeka57 [31]

Answer: Statements that are true are: ()The amount of storage for pillows and blankets is measured in cubic feet and ()The volume of the cube is 8 ft3.

Step-by-step explanation: A cube is a box-shaped solid object that has 6 identical square faces. Volume is the amount of space a enclosed object occupies.

The volume of an ottoman is the amount of storage for pillows and blankets and since it's calculated, in this case, as:

V = length*width*depth, and the unit is in feet, Volume's Unit is in Cubic Feet. That statement is correct.

The lid is a square. The area is: A = 2*2 = 4 square ft, so this statement is incorrect.

The perimeter of the top is: P = 4*2 = 8 feet, but it's not the length of the child safety bumper, so this statement is false.

An ottoman is a cube of side lengths 2 feet, so its volume will be V=8ft3.

Therefore, the correct statements are:

The amount of storage for pillows and blankets is mesured in cubic feet;
The volume of the cube is 8ft3.

7 0

3 years ago

This needs to be dont by tomorrow HELPPPPP

Likurg_2 [28]

Answer:

Step-by-step explanation:

1. 2a + 3a + 3 = 8

5a + 3 = 8

5a = 5

a = 1

2. 3a - 2a - 4 = 0

a - 4 = 0

a = 4

3. 4 + 3a + 6 = 16

3a + 10 = 16

3a = 6

a = 2

4. 12a - 6a + 6 = 24

6a + 6 = 24

6a = 18

a = 3

6 0

3 years ago

When a truckload of apples arrives at a packing plant, a random sample of 125 apples are selected and examined for bruises and o

valentinak56 [21]

Answer:

You would need to go 1.6 standard errors away from 0.09.

Step-by-step explanation:

We can solve this using the normal distribution, because, by the Central Limit Theorem, the sampling distribution of the sample proportions is approximately normal.

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

89% of the sample proportions.

50 - 89/2 = 5.5th percentile

50 + 89/2 = 94.5th percentile

5.5th percentile

X when Z has a pvalue of 0.055. So X when Z = -1.6.

So 1.6 standard error away from 0.09.

94.5th percentile

X when Z has a pvalue of 0.945. So X when Z = 1.6.

So 1.6 standard error away from 0.09.

You would need to go 1.6 standard errors away from 0.09.

3 0

4 years ago