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3 years ago

What's the equation of the graph shown above?

Mathematics

2 answers:

Soloha48 [4]3 years ago

8 0

Answer:

x=7

Step-by-step explanation:

This is a vertical line. Vertical lines are of the form x=

The x coordinate is 7

x=7

Margaret [11]3 years ago

4 0

Answer:

x=7

Step-by-step explanation:

hope this helps you.

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Crystal earns $5.50 per hours mowing lawns. Write a rule to describe how the amout of money m earned is a function of the number

ra1l [238]

She earns $5.50 for every hour so:
$m = 5.5h$
3 hours and 45 minutes is 3.75 hours.
$m = 5.5(3.75)$
$m = 20.625$
After rounding, she earns $20.63.

4 0

3 years ago

During a thunderstorm, 600 millimeters of rain fell in 30 minutes. How fast did the rain fall, in millimeters per hour? NOOO BOT

Masja [62]

Answer:

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Step-by-step explanation:

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2 years ago

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PLEASSSSSEEE HELP A GIRL OUT PLZZ

eduard

Answer:

B. The two lines are neither parallel nor perpendicular.

Step-by-step explanation:

First, put both lines into the same format. In this example, we're going to use y=mx+b format.

x - 4y = -9

-4y = -x + -9

y = (-x + -9) / -4

y = (x+9)/-4

y = (-1/4)x + (-9/4)

y = 3x - 7

If two lines are parallel, they have the same slope. (ie 4 and 4)

If two lines are perpendicular, one line's slope is the negative reciprocal of the other. (ie 4 and -1/4)

Neither is true here.

6 0

3 years ago

If the following system of equations was written as a matrix equation in the form AX = C, and matrix A was expressed in the form

IrinaVladis [17]

Answer: a-b+c+d =4

Step-by-step explanation:

The given system of equation is

$2x+8y=7\\4x-2y=9$

from this we have the following matrices

$A_1 =\begin{bmatrix}\\2 &8 \\ \\4&2 \\\end{bmatrix}\ ,X=\begin{bmatrix}\\x\\ \\y\\\end{bmatrix}\text{and}\ C=\begin{bmatrix}\\7\\ \\9\\\end{bmatrix}$

the given matrix A = $\begin{bmatrix}\\a &c \\ \\b &d \\\end{bmatrix}$

On comparing Matrix $A_1$ with Matrix A

$\begin{bmatrix}\\a &c \\ \\b &d \\\end{bmatrix}=\begin{bmatrix}\\2&8 \\ \\4 &-2 \\\end{bmatrix}$

we have the following values

a=2 ,b=4,c=8,d=-2

Thus a-b+c+d =2-4+8+(-2)=4

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3 years ago

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If 2×2=4 and 4×4=8. What is 8×8?

Oxana [17]

Answer:

Step-by-step explanation:

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3 years ago

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