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labwork [276]
4 years ago
12

Using the quadratic formula to solve x2 = 5 – x, what are the values of x?

Mathematics
2 answers:
kiruha [24]4 years ago
8 0

Answer:

x^2=5-x

x^2+x-5=0

x=-1± √(1)^2-4(1)(-5)   /2(1)

-1± √21   /2

Step-by-step explanation:

KiRa [710]4 years ago
7 0

Answer:

The answer will be A.  -1± √21   /2

Step-by-step explanation:

I hope it helps

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Which of the following is the solution set of x2 + 8x + 12 = 0?<br> (-2.-6<br> 2.6
algol [13]

To solve this polynomial equation, we first factor the left side.

To factor x² + 8x + 12 = 0, look for factors of 12 that add to 8.

These factors are 6 and 2 so we have (x + 6)(x + 2) = 0.

So either x + 6 = 0 or x + 2 = 0 and solving for

x in each equation, our answer is {-6, -2}.

6 0
3 years ago
Cube shape is very difficult
seropon [69]

Answer:

A, C, and D are right.

A cube is basically six squares pushing against each other and since you can have a square you can also have a triangle considering you can cut it diagonally in half. And since a square is classified as a rectangle as well then C is also correct.

Step-by-step explanation:

Hope this helped.

A brainliest is always appreciated.

3 0
3 years ago
An item is priced at $80. It is on sale for 45% off. What is the sale price?
ryzh [129]

Answer:

$44

Step-by-step explanation:

To get 45% of something, first multiply it by 0.45 or 45%:

80x0.45=36

Now subtract that from the original price of $80 to get your answer:

80-36=44

The answer is the sale price is $44

6 0
3 years ago
Read 2 more answers
Can someone please help me !?!??!
const2013 [10]

The perimeter is just the sum of all the side lengths, so you have

P=2.8+3.4+10.8+7.1+4.5+8.2=36.8

7 0
3 years ago
Please help. I’ll mark you as brainliest if correct!
Nesterboy [21]

Answer:

g(x)= 1/4 |x-2| + 1

Step-by-step explanation:

line:

  • g(x)

points on same line:

  • (2, 1) and (6, 2)

slope based on the points

  • m= (2-1)/(6-2)= 1/4

And the line is moved to the right by 2 units:

So the function becomes:

  • g(x)=  1/4|x-2|

Considering movement up by 1 unit as well:

  • g(x)= 1/4 |x-2| + 1

This is the final of equation for the line.

6 0
3 years ago
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