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3 years ago

PLEASE ANSWER THIS QUESTION RIGHT.What do we call the graph of a quadratic?

Mathematics

1 answer:

Blababa [14]3 years ago

4 0

Answer:

parabola

Step-by-step explanation:

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Which inequality represents all the solutions of -5x + 5 ≥ 160 − 10x? A. x ≤ -33 B. x ≥ 33 C. x ≥ 31 D. x ≤ 31

ikadub [295]

Answer:

The answer is B.

Step-by-step explanation:

Solve for x.

-5x + 5 $\geq$ 160 - 10x

Add 10x to both sides, and subtract 5 from both sides.

5x $\geq$ 155

Now, divide by 5.

x $\geq$ 31 is the answer

#teamtrees #WAP (Water And Plant)

3 0

3 years ago

Read 2 more answers

A rectangular poster is to contain 882 square inches of print. The margins at the top and bottom of the poster are to be 2 inche

Zinaida [17]

Answer:

L = 23 in

h = 46 in

Step-by-step explanation:

Let call " x " and " y " dimensions of the print area of the poster then:

882 = x*y and y = 882/x

We also know that dimensions of the poster is:

L = x + 2 in and h = y + 4 in

Therefore area of the poster is:

A(p) = ( x + 2 ) * ( y + 4 ) And area as function of x is:

A(x) = ( x + 2 ) * ( 882/x + 4 )

A(x) = 882 + 4*x + 1764 /x + 8

Taking derivatives on both sides of the equation we have:

A´(x) = 4 - 1764/x²

A´(x) = 0 ⇒ 4 - 1764/x² = 0 ⇒ 4*x² - 1764 = 0

x² = 1764 / 4

x² = 441

x = 21 in and y = 882/x y = 42

The second derivative A´´(x) is > 0 ( the second term changes its sign to +) there is a minimum for the function at the point x = 21

As x and y are dimensions of the printing area of the poster, dimensions of the poster are

L = x + 2 = 21 + 2 = 23 in and

h = y + 4 = 42 + 4 = 46 in

4 0

3 years ago

Which operation will make the llower left element the largest?

algol [13]

Answer:

R2->R3

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

PLS HHELP ME ASAP on my beestar

Sauron [17]

It would be be because they didn’t distribute the 8n to the 20

8 0

3 years ago

What is 2x+3y-7=<img src="https://tex.z-dn.net/?f=2x%2B3y-7%3D" id="TexFormula1" title="2x+3y-7=" alt="2x+3y-7=" align="absmiddl

crimeas [40]

IF YOU NEED SLOPE-INTERCEPT FORM

2x + 3y - 7 = 0

3y = -2x + 7

y = - $\frac{2}{3}$ + $\frac{7}{3}$

IF IT IS KIND OF HOW YOU WROTE IT:

If it is 2x+3y-7=2x+3y-7 then the solution is 1

IF THIS IS NOT WHAT YOU NEED, PLEASE COMMENT WITH MORE CONTEXT! :D

5 0

2 years ago