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2 years ago

What is the equation of the line shown in this graph?

Mathematics

2 answers:

dolphi86 [110]2 years ago

8 0

X=-2 is shown on the graph.

Tcecarenko [31]2 years ago

3 0

Hi Maybe!

Essentially it's a vertical line crossing directly over the number -2 in the x-axis. Also, the question asks for an equation (=). Therefore x = -2.

Here's a tip and mental note you should keep: As I told another fellow student, stuff like y = h (or even y </>/≤/≥ h) all result in horizontal lines with those lines crossing directly over h. x = v (or even x </>/≤/≥ v) all result in vertical lines crossing directly over v.

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What are the solution(s) of the quadratic equation 98 – x2 = 0

DanielleElmas [232]

To solve first move the 98 to the other side by subtracting it from both sides. Then divide by - 1 on both sides to that the x^2 is no longer a negative. You are left with:

$x^{2} = 98$

Now square root both sides to get

$x = +/- \sqrt{98}$

The two factors that make up 98 are 49 and 2. 49 can be square rooted. So we are left with these answers:

$x = - 7 \sqrt{2}$ and $x = 7 \sqrt{2}$

4 0

3 years ago

Read 2 more answers

Please help and show work

melisa1 [442]

Answer:

first one is simnple cross multiply and divide

12*7=4x

84=4x

x=21

2nd same process but more steps

7x=5(x+8)

7x=5x+40

7x-5x=40

2x=40

x=20

Step-by-step explanation:

4 0

2 years ago

Need some answers for this one

Schach [20]

Answer:

20.6

Step-by-step explanation:

Since the diameter of each circle is 4, the dimensions of the rectangle is 8x12

The area of the whole rectangle is 96

Now we need to find the area of the circles

The area of 1 circle is $2^{2} *\pi =12.56$ ...

So the area of all 6 circles is 12.56*6= 75.39...

So to find the area of yellow you have to subract the area of circle from the overall area of the rectangle

96-75.4=20.6

4 0

3 years ago

Honor Roll: Curfew 18 No Curfew 10 No Honor Roll: Curfew 2 No curfew 7

Rudik [331]

Among the students who did not make the honor roll. Then the relative frequency of having no curfew will be 7.

<h3>How to find the relative frequency?</h3>

Relative frequency is the ratio of the considered sub-group count to the total count. (so its frequency of the considered sub-group relative to the total frequency).

Curfew No Curfew No

Honor Roll: 18 10

No Honor Roll: 2 7

Among the students who did not make the honor roll.

Then the relative frequency of having no curfew will be 7.

Learn more about relative frequency here:

brainly.com/question/8358304

#SPJ1

8 0

2 years ago

Which of these expressions is equivalent to -2(x-5)?

Serga [27]

Answer:

The answer is -2x+10

Step-by-step explanation:

Hope this helps

4 0

3 years ago