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Nataly_w [17]
2 years ago
7

Please help me on this, thank u

Mathematics
1 answer:
allochka39001 [22]2 years ago
6 0

Answer:

D

Step-by-step explanation:

With no middle term, we factor the quadratic into two binomials of the form (x+a)(x-a) where a is the same number. 64 factors only into 8(8) where the factors are equal. We write in the form (x+8)(x-8).

To find the root or x-intercept, we set equal to 0.

(x+8)(x-8)=0

x=-8,8.


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Select the graph that shows the solution set for the following system.<br> x + y &lt; 2<br> x&gt;2
kompoz [17]

Answer:

Answer is in the attachment.

Step-by-step explanation:

To graph x>2 consider first x=2. x=2 is a vertical line and if you want to graph x>2 you need to shade to the right of the vertical line.

To graph x+y<2, I will solve for y first.

x+y<2

Subtract x on both sides:

  y<-x+2

Consider the equation y=-x+2.  This is an equation with y-intercept 2 and slope -1 or -1/1.  So the line you have in that picture looks good for y=-x+2. Now going back to consider y<-x+2 means we want to shade below the line because we had y<.

Now where you see both shadings will be intersection of the shadings and will actually by your answer to system of inequalities you have.  In my picture it is where you have both blue and pink.

I have a graph in the picture that shows the solution.

Also both of your lines will be solid because your question in the picture shows they both have equal signs along with those inequality signs.

Just in case my one graph was confusing, I put a second attachment with just the solution to the system.

5 0
3 years ago
A cube has a volume of 64. What is the length of one side of the cube?
bearhunter [10]

Answer:

4

Step-by-step explanation:

The volume of a cube can be represented as s^3 = v, where s = side and v = volume. In this case, we're given the volume as 64, so s^3 = 64. To solve this problem, we first have to know what a cube root is.

What's a cube root?

  • The cube root of a number is the number you multiply by itself 3 times to get another number.
  • One common cube is 27, and the cube root of it is 3 because 3 x 3 x 3 = 27.

Given the information above, let's go in order with the list of cube roots to see which one has a cube of 64.

  • 1: 1 x 1 x 1 = 1.
  • 2: 2 x 2 x 2 = 8.
  • 3: 3 x 3 x 3 = 27.
  • 4: 4 x 4 x 4 = 64. (This is the cube root!)

We found the cube root of 64, or the side of the cube with a volume of 64. The side of the cube, therefore, is 4.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

3 0
2 years ago
What is the solution to the equation and explain your reasoning ​
Sergeu [11.5K]

Answer:

I think x = 1.5

Step-by-step explanation:

23 - 17 = 6

6 ÷ 4 = 1.5

5 0
2 years ago
02
Marrrta [24]

Answer:

Susan is riding her bike. The distance she travels varies directly with the number of revolutions (turns) her wheels make. See the graph below.

23

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8 0
2 years ago
50 POINTS!!!
Step2247 [10]

Answer:

well by looking at it , it would be for a.

3 0
3 years ago
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