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vova2212 [387]
3 years ago
9

5x² = 80 in a quadratic equation

Mathematics
1 answer:
TEA [102]3 years ago
8 0
Here is a photo attached to the bottom right here. Hope this helps!

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1. the sum of five times a number and -2, added to seven times the number
emmasim [6.3K]
1. (5x - 2) + 7x = 12x - 2

2. 6(x - 5) > 22
6x - 30 > 22
6x > 52
x > 52/6
x > 26/3
7 0
1 year ago
Complete the proof. <br> Given
Sonja [21]

Answer:

2. it's a rectangle so Each pair of co-interior angles are supplementary, because two right angles add to a straight angle, so the opposite sides of a rectangle are parallel. This means that a rectangle is a parallelogram, so: Its opposite sides are equal and parallel. Its diagonals bisect each other.

3. same size same shape

Step-by-step explanation:

4 0
3 years ago
Factor 99-45f+36b to identify the equivalent expression 2 answers possible​
yulyashka [42]

For this case we have the following expression:

99-45f + 36b

We must find the common factor of the coefficients.

We have then:

  • <em>Using common factor 3: </em>

3 (33-15f + 12b)

  • <em>Using common factor 9: </em>

9 (11-5f + 4b)

Answer:

The two equivalent expressions are given by:

3 (33-15f + 12b)\\9 (11-5f + 4b)

5 0
3 years ago
Read 2 more answers
PLEASE PLEASE HELP PLEASE
gogolik [260]

Answer:

x = -3

Step-by-step explanation:

2(4x + 6) = 8x + 12

3(x - 1) = 3x -3

8x + 12 = 3x - 3

5x = -15

x = -3

6 0
3 years ago
Read 2 more answers
Which of the following is the solution?<br><br><br>A. 2<br>B. 5≤x&lt;−2<br><br>C. 2≤x≤5<br><br>D. −5
WARRIOR [948]

Answer:

we conclude that:

8\le \:-4x

The graph is also attached below.

Step-by-step explanation:

Given the inequality expression

9\le 1-4x

simplify

9\le -4x+1

Add -1 to all parts

9+(-1)\le -4x+1+(-1)

simplify

8\le -4x

Divide all parts by -4

\frac{8}{-4}\le -\frac{4x}{-4}

-2\ge \:x>-5

Thus, we conclude that:

8\le \:-4x

The graph is also attached below.

5 0
3 years ago
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