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3 years ago

7

If a semi truck's trailer is 40 feet long, 10 feet wide, and has a height of 8 feet, what is its volume?

1 answer:

Temka [501]3 years ago

8 0

First multiply 40 and 10 to get 400. Then multiply 400 by 8 to get 3,200.

Your answer would be: 3,200

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A scientist created a scatterplot to display the height of a plant over a 12-day period. Plant Height A graph has days on the x-

stira [4]

Answer:

The correct option is (D) $y=\frac{4}{7}\ x+\frac{1}{7}$ .

Step-by-step explanation:

The two-point form for the equation of straight line is:

$(y-y_{1})=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\ (x-x_{1})$

The two points provided are:

A = (5, 3)

B = (12, 7)

Compute the equation of the trend line as follows:

$(y-y_{1})=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\ (x-x_{1})\\\\(y-3)=\frac{7-3}{12-5}\ (x-5)\\\\(y-3)=\frac{4}{7}\ (x-5)\\\\y-3=\frac{4}{7}\ x-\frac{20}{7} \\\\y=\frac{4}{7}\ x-\frac{20}{7}+3\\\\y=\frac{4}{7}\ x+\frac{-20+21}{7}\\\\y=\frac{4}{7}\ x+\frac{1}{7}$

Thus, the equation of the trend line is $y=\frac{4}{7}\ x+\frac{1}{7}$ .

The correct option is (D).

6 0

4 years ago

Read 2 more answers

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lora16 [44]

People tend to like caramel w/o chocolate

6 0

3 years ago

HURRY!<br> What is the distance from (3 and one-half, 5) to (3 and one-half, –12)?

beks73 [17]

Answer to the question : 17 units

3 0

3 years ago

Your teacher announced a 50 point math quiz

77julia77 [94]

Answer:

There would be 5, 4 point questions and 10, 3 point answers

Step-by-step explanation:

4 0

3 years ago

Draw the graph of the line that is perpendicular to Y= 4X +1 and goes through the point (2, 3)

spayn [35]

Given:

$\begin{gathered} y=4x+1 \\ \text{ point }(2,3) \end{gathered}$

To find:

Draw a graph of a line that is perpendicular to the given line and passing through a given point.

Explanation:

As we know that relation between two slopes of perpendicular slopes of lines:

$m_1.m_2=-1$

Slope of given line y = 4x + 1 is:

$m_2=4$

So, the slope of line perpendicular to given line is:

$m_2=-\frac{1}{4}$

Also, so line equation that is perpendicular to given line is:

$y=-\frac{1}{4}x+c...........(i)$

Also, the required line is passing thorugh given point (2, 3), i.e.,

$\begin{gathered} 3=-\frac{1}{4}(2)+c \\ c=3+\frac{1}{2} \\ c=\frac{7}{2} \end{gathered}$

So, line equation that is perpendicular to given line is:

$y=-\frac{1}{4}x+\frac{7}{2}$

The required graph of line is:

8 0

2 years ago