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Svet_ta [14]
3 years ago
6

HEEEEEEELP WITH MATH will give brainliest

Mathematics
1 answer:
Nonamiya [84]3 years ago
5 0
1. the number five plus x
2. the number five minus x
3. five times x
4. five divided by x
5. three-forths of x plus two
6. two minus three-forths of x
7. three times x plus ten
8. ten times x plus three
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What is the slope of a line that is perpendicular to the line shown? (3,3) and (-3,-1)
4vir4ik [10]

Answer:

-3/2

Step-by-step explanation:

Using the slope formula, we can find the slope of the line shown

m = ( y2-y1)/(x2-x1)

    = ( -1-3)/(-3-3)

   = -4/-6

  = 2/3

A line that is perpendicular is the negative reciprocal

-1/ (2/3) = -3/2

8 0
2 years ago
Read 2 more answers
Check all that apply please
love history [14]

As, synthetic division by -4 gives remainder 0. Hence, Option B is correct. -4 is a root of 3x^{2} +7x-20

As, x+4=0 gives x=-4.

So, option C is correct,

(x+4) is factor of 3x^{2} +7x-20

Option E is correct

\frac{3x^{2} +7x-20 }{x+4}=3x-5

3 0
2 years ago
Solve 2x2 + 5x = 12
Delvig [45]

Answer:

A

Step-by-step explanation:

2x² + 5x = 12

2x² + 5x - 12 = 0

x² + 5x - 24 = 0

factors of 24 are 1, 2, 3, 4, 6, 8, 12, 24. the only pair that adds to 5 is 8 and 3

2x² - 3x + 8x - 12 = 0

split the equation and factor

2x² - 3x = 0 ||| 8x - 12 = 0

x(2x - 3) ||| 4(2x - 3)

therefore the pair is (2x - 3)(x + 4)

2x - 3 = 0

2x = 3

x = 3/2

or

x + 4 = 0

x = -4

3 0
2 years ago
Read 2 more answers
1. Which system of equations has no solutions?
nevsk [136]

Answer:

C.

Step-by-step explanation:

-a + b = -2

b = a + 3

-a + a + 3 = -2

3 = -2 (incorrect).....no solutions.....because these lines are parallel

4 0
3 years ago
What is the total number of atoms in the the compound? <br><br> A. 5<br> B. 6<br> C. 7<br> D. 8
JulijaS [17]

Answer:

8

Step-by-step explanation:

what is the total number of atoms in the compound click here

7 0
2 years ago
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