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JulsSmile [24]
3 years ago
12

????????????????????

Mathematics
1 answer:
timama [110]3 years ago
4 0

A.) 36 is 75% of 48

B.) 15% of 80 is 12

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Given line ac with line ab=2x-4, bc=4x and ac=2x+12 find ac
tankabanditka [31]

Answer:

The answer to your question is: AC = 20

Step-by-step explanation:

Data

   AB = 2x - 4

   BC = 4x

   AC = 2x + 12

   AC = ?

            AB + BC = AC

        2x - 4 + 4x = 2x + 12

       6x - 4 = 2x + 12

       6x - 2x = 12 + 4

       4x = 16

       x = 16/4

       x = 4

AB = 2(4) - 4 = 8 - 4 = 4

BC = 4(4) = 16

AC = 2(4) + 12 = 8 + 12 = 20

         4 + 16 = 20

         20 = 20

5 0
3 years ago
Travis wants to solve a quadratic equation. Since his equation cannot be factored, Travis has to graph the equation and approxim
SOVA2 [1]

Answer:

The correct answer is B.

Step-by-step explanation:

In order to find this, calculate out the discriminant for each of the following equations. If the discriminant is a perfect square, then it can be factored.

Discriminant = b^2 - 4ac

The only of the equations that does not yield a perfect square is B. The work for it is done below for you.

Discriminant = b^2 - 4ac

Discriminant = 7^2 - 4(2)(-5)

Discriminant = 49 + 40

Discriminant = 89

Since 89 is not a perfect square, we cannot factor this.

6 0
3 years ago
Read 2 more answers
Help fast plz !!!!!!!!!
larisa [96]

Answer:

2295/64 or 35 and 55/64

Step-by-step explanation:

3 3/4 * 4 1/2 * 2 1/8 = 15/4*9/2*17/8=2295/64 or 35 and 55/64

8 0
3 years ago
Read 2 more answers
Find the area.<br> 5 cm<br> 5 cm<br> 16 cm---<br> 7 cm<br> 14 cm
zalisa [80]

Answer:

if it is area of triangle it would be 49

Step-by-step explanation:

3 0
3 years ago
Solve the system by substitution. <br> x = 4y - 8<br> 3х — 6у = 12
sveticcg [70]
The answer is (16,6) I believe
4 0
3 years ago
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