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3 years ago

You have 70 DVDs. The DVD cabinet you own holds 150 DVDs.

Mathematics

1 answer:

rjkz [21]3 years ago

7 0

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A number is divided in the ratio 3:4. If the first part is 24, find the number.

dedylja [7]

Answer:

Step-by-step explanation:

<h3>Let the other part be x.</h3>

<h3>Other part = 32</h3>

<h2>mark me brainlist!</h2>

5 0

2 years ago

Help [question in image]

OverLord2011 [107]

The correct answer is C.

7 0

3 years ago

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Ava wants to ride her bicycle more than 75 miles this week. She has already ridden her bicycle 16 miles. Which inequality could

Whitepunk [10]

Answer:

I think it may be 5m + 16 < 75

Step-by-step explanation:

I don't know if its wrong

6 0

3 years ago

consider the function f(x) = x2 2x – 15. what are the x-intercepts of the function? left-most x-intercept: ( , 0) right-most x-i

eimsori [14]

we have

$f(x)=x^{2} +2x-15$

we know that

The x-intercept is the value of x when the value of the function is equal to zero

in this problem

Find the roots of the function

equate the function to zero

$x^{2} +2x-15=0$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$x^{2} +2x=15$

Complete the square. Remember to balance the equation by adding the same constants to each side

$x^{2} +2x+1=15+1$

$x^{2} +2x+1=16$

Rewrite as perfect squares

$(x+1)^{2}=16$

Square root both sides

$(x+1)=(+/-)\sqrt{16}$

$(x+1)=(+/-)4$

$x=-1(+/-)4$

$x1=-1+4=3$

$x2=-1-4=-5$

$x^{2} +2x-15=(x-3)(x+5)$

therefore

<u>the answer is</u>

the x-intercepts are the points $(3,0)$ and $(-5,0)$

3 0

3 years ago

Read 2 more answers

Graph the function.<br> Y=[1/2x-1]

Scilla [17]

This should help you

3 0

2 years ago