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2 years ago

Make a line plot for each set of data.

Mathematics

1 answer:

den301095 [7]2 years ago

3 0

2= 3 times

3= 3 times

4= 4 times

5= 2 times

6= 2 times

7= 1 time

8= 1 times

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Solve the following system by any method -8x-8y=0 -8x+2y=-20

iVinArrow [24]

$\fbox{Solution by using Matrix}$

$\text{Linear Equation} = -8x-8y=0 , -8x+2y=-20$

$\text{Rewrite the linear equations above as a matrix}$

$\left[\begin{array}{ccc}8&-8&0\\-8&2&-20\\\end{array}\right]$

$\text{Apply to Row2 : Row2 + Row1}$

$\left[\begin{array}{ccc}8&-8&0\\-8&-6&-20\\\end{array}\right]$

$\text{ Simplify rows}$

$\left[\begin{array}{ccc}8&-8&0\\0&1&10/3\\\end{array}\right]$

$\text{Note: The matrix is now in echelon form.}$ $\text{The steps below are for back substitution.}$

$\text{Apply to Row1 : Row1 + 8 Row2}$

$\left[\begin{array}{ccc}8&0&80/30\\0&1&10/3\\\end{array}\right]$

$\text{ Simplify rows}$

$\left[\begin{array}{ccc}1&0&10/3\\0&1&10/3\\\end{array}\right]$

$\text{Therefore, the solution is}$

$x= \dfrac{10}{3} \ \text{and} \ \ y=\dfrac{10}{3}$

7 0

2 years ago

how do you work out the volume of a prism the number on the left is 6,the number on the bottom is 3 and the number on the right

zubka84 [21]

1) calculate the volume of the tri prism 2) find area of the base face 3) find the height 4) multiply area of the triangle base time height 5) answer will be in cubic units

8 0

3 years ago

PLEASE HELP I AM STUCK!!!THESE ARE ALL MY POINTS!!!

Bond [772]

Answer:

come back when you have the number for the 32oz

Step-by-step explanation:

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2 years ago

A baseball is hit with an initial upward philosophy of 70 ft./s from a height of 4 feet above the ground. The equation h= -16x^2

saul85 [17]

Answer:

x=4.34 seconds

Step-by-step explanation:

-16x^2+70x-2=0

$x=\frac{35+\sqrt{1193}}{16}$

x=4.34

6 0

2 years ago

A line passes through the point (-8, 6) and has a slope of -5/4.

Margarita [4]

Answer:

y = -5/4x - 4

Step-by-step explanation:

Plug in 6 for y and -8 for x. Then solve for b or "y-intercept". You should get -4

5 0

2 years ago

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