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4 years ago

10

A school is adding 4 rows of seats to the auditorium. There are 7 seats in each row. Each new seat costs $99. What is the total

cost for the new seats?

1 answer:

Hitman42 [59]4 years ago

3 0

Answer:

Step-by-step explanation:

<h2>First you multiply 4x9= 36. Then multiply 36x99=3564. So your answer is $3564.</h2>

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Find the y-intercept of the line on the graph.<br> Enter the correct answer.

bonufazy [111]

Answer:

y-int is -4 or (0,-4)

Step-by-step explanation:

That is the point where the line crosses the y-axis

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3 years ago

How many times does 21 go in to 190

Lerok [7]

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Its 9.5 Also i like Trains 190 ÷ 21 = 9.5

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3 years ago

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Misaka solved the radical equation x – 3 = square root of 4x-7 but did not check her solutions. (x – 3)2 = square root of 4x-7^2

Minchanka [31]

Answer:

x=8 is a true solution of the radical equation

Step-by-step explanation:

we have

$x-3=\sqrt{4x-7}$

Solve for x

squared both sides

$(x-3)^{2}=4x-7\\\\x^{2}-6x+9=4x-7\\\\ x^{2}-10x+16=0$

Convert to factored form

$x^{2}-10x+16=(x-2)(x-8)$

The solutions are x=2 and x=8

<u><em>Verify the solutions</em></u>

For x=2

Substitute in the original equation

$2-3=\sqrt{4(2)-7}$

$-1=1$ ----> is not true

therefore

x=2 is not a true solution of the radical equation

For x=8

Substitute in the original equation

$8-3=\sqrt{4(8)-7}$

$5=5$ ----> is true

therefore

x=8 is a true solution of the radical equation

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4 years ago

What is the y-intercept of y=3x - 8

lyudmila [28]

Answer:

(0, -8)

Step-by-step explanation:

y is defined as x=0,

therefore y = 3*0 - 8= -8

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3 years ago

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Explain what is meant by intercepts with the axes give examples of y and x intercepts

alisha [4.7K]

Intercepts with the axes are where your line touches the x or y axis. An example is a straight line, say, y=4x+2. In this case, the y-intercept is 2 because the line touches the y-axis at (0, 2). With y=mx+b format, the y-intercept is b. To find the x-intercept of an equation in y=mx+b format, set y to zero and solve for x. In a parabola, the x-intercepts would be the roots. An example of this is x^2 - 5x + 4 = 0. The roots here are (4,0) and (1,0). Hopefully this helped.

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1 year ago