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4 years ago

HELP 90 POINTS HELP HELP

Mathematics

2 answers:

Ivanshal [37]4 years ago

8 0

Answer:

Its C

Step-by-step explanation:

Just SUBTRACT the expoonents

antiseptic1488 [7]4 years ago

5 0

Answer:

The value of C is 2.

Step-by-step explanation:

What you do when you are dividing exponents like that you just minus them.

It says x^3/x. It basically means 3-1.

Your answer is 2.

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Graph the linear equation with 3 points

barxatty [35]

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

$x-y=1$

To graph the line find the intercepts

step 1

Find the y-intercept (value of y when the value of x is equal to zero)

For x=0

substitute in the linear equation

$0-y=1\\y=-1$

The y-intercept is the point (0,-1)

step 2

Find the x-intercept (value of x when the value of y is equal to zero)

For y=0

substitute in the linear equation

$x-0=1\\x=1$

The x-intercept is the point (1,0)

step 3

Find a third point

<em>Note</em>: It is important to specify that two points are sufficient to draw a line

assume the value of x=5

substitute in the linear equation and solve by y

$5-y=1\\y=5-1\\y=4$

The third point is (5,4)

step 4

Plot the points and connect them to graph the line

see the attached figure

3 0

4 years ago

What are the zeros of the quadratic function f(x)=8^2-16-15

Free_Kalibri [48]

Answer:

Step-by-step explanation:

f(x)= $8x^{2} -16x-15$
$8x^{2} -16x-15=0$
$x=\frac{-b+-\sqrt{b^{2}-4ac } }{2a}$ , a=8, b= - 16, c= - 15

$x=\frac{-(-16)+-\sqrt{(-16)^2-4*8*(-15)} }{2*8} = \frac{16+-\sqrt{736} }{16} =\frac{16+-4\sqrt{46} }{16} = 1 +- \frac{\sqrt{46} }{4} = 1+- \frac{\sqrt{23} \sqrt{2}}{2\sqrt{2} \sqrt{2} } =1+-\frac{\sqrt{23} }{2\sqrt{2} } = 1+-\frac{\sqrt{23} }{\sqrt{8} }$

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2 years ago

The school band is selling raffle tickets for $2. If Kyle spent p dollars on tickets this week and q dollars on tickets the week

Orlov [11]

She bought 9 raffle tickets cause she has p dollars and it takes 2 dollars for each ticket which is 4 tickets with one dollar left and then dose it again4 plusb4 is 8 plus 2 dollars is 9

4 0

3 years ago

Read 2 more answers

An airplane is flying at 32,000 feet when it starts its descent. It is descending at a rate of 2,000 feet per minute. Let x repr

velikii [3]

Answer:

equation: y = 32000 - 2000x

0 = 32000

1 = 30000

2 = 28000

3 = 26000

4 = 24000

Step-by-step explanation:

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3 years ago

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Answer:

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