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3 years ago

Help needed asap on this

Mathematics

1 answer:

V125BC [204]3 years ago

5 0

Answer:

option D is correct.

Step-by-step explanation:

The real number y=a is the root of the polynomial f(y) if and only if

f(a) =0

So, when we see a graph of the polynomial, the x-intercepts are the real roots of the graph f(y)

We can find x-intercept of graph, by looking at the graph and finding out points that touch the x-axis on the graph.

In the graph given the points -6 and 2 touch the x-axis of the graph, So these are the real roots of the graph.

So, option D is correct.

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Ms. Dillard has a piece of construction paper that is 6/8 ft. long. She must cut the paper into 6 pieces of equal length. How lo

alexandr1967 [171]

Hi there!

You're answer will be 1/8 ft. There is 6/8 pieces of paper, so all you have to do is divide it by 6.

The answer, however turned into inches, is 1.5 inches.

Hope this helps! Have a nice day!

~Alexa

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4 years ago

A plot of land doubles in size by adding x meters to the length and x meters to the width of the land.If the original plot had a

Soloha48 [4]

Answer:

100

Step-by-step explanation:

The original area is (200 m)×(300 m) = 60000 m². You want an area that is ...

(200 +x)×(300 +x) = 120000

60000 +500x +x² = 120000 . . . . eliminate parentheses

x² +500x -60000 = 0 . . . . . . . . . . subtract 120000

(x +600)(x -100) = 0 . . . . . . . . . . . . factor

The positive value of x that makes a factor zero is x = 100.

The value of x is 100.

_____

<em>Check</em>

The larger plot will be 300×400, the larger dimension being double the original smaller dimension.

3 0

3 years ago

The Wilsons traveled the 2400 miles of Route 66 from Chicago,IL to Santa Monica, CA. If their total driving time was 50 hours, w

Zolol [24]

Answer:

48 miles per hour

Step-by-step explanation:

If they traveled 2400 miles and the total driving time was 50 hours, divide 2400/50 in order to find how many miles they drove per hour.

4 0

2 years ago

Read 2 more answers

Find the illegal values of b in the fraction (2b^2+36-10)/(b^2-26-8)

skad [1K]

Correct Question is: Find the illegal values of b in the fraction (2b^2 + 3b - 10)/(b^2 - 2b - 8)

illegal values are those which are not a part of Domain. In this case these will be such values which will make the denominator of the fraction zero.

So setting the denominator equal to zero, we can find these values.

$b^{2} -2b-8=0 \\ \\ 
 b^{2}-4b+2b-8=0 \\ \\ 
b(b-4)+2(b-4)=0 \\ \\ 
(b+2)(b-4)=0 \\ \\ 
b=-2, b=4$

Thus, b=-2 and b=4 are the illegal values for this expression

6 0

4 years ago

PLEASE HELP WILL MARK BRAINLIEST!

svetoff [14.1K]

Answer:

x=4.5 or 9/2

Step-by-step explanation:

$\frac{6}{3}$ = $\frac{9}{x}$

Then, cross multiply

6×X=6x

9×3=27

6x=27

x=4.5

8 0

3 years ago