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Finger [1]
3 years ago
15

Please help!!...............................

Mathematics
1 answer:
Airida [17]3 years ago
3 0
B. you have to be ready to multiply all the numbers to get your answer.
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Determine which equation below has a solution of x= 1/2
masya89 [10]

Answer:2x-1=0

Step-by-step explanation:

x=1/2

Cross multiply

2x=1

Subtract 1 from both sides

2x-1=1-1

2x-1=0

3 0
3 years ago
Solve for w.<br><br> 5w + 9z = 2z + 3w<br><br> w = z<br> w = z<br> w = –2z<br> w = –7z
Semenov [28]

5w + 9z = 2z + 3w

Move terms with w to the left - subtract 3w from both sides

2w + 9z = 2z

Subtract 9z from both sides

2w = -7z

Divide both sides by 2

w = \frac{-7}{2}z

6 0
3 years ago
The sum of the lengths of any two sides of a triangle must be greater than the third side. if a triangle has one side that is 8
BartSMP [9]

1st Side: 8

2nd Side: 2x - 1

3rd Side: x

(8) + (2x - 1) > x            (2x - 1) + x > 8                        (x) + (8) > 2x - 1

       2x + 7 > x                     3x - 1 > 8                                8  > x - 1

            2x > -7                         3x > 9                                9  > x

             x > -3.5 (disregard)       x > 3                                 x < 9

3rd Side: x  ⇒ (3 < x < 9)

2nd Side: 2x - 1 ⇒ 2(3) - 1 < x < 2(9) - 1   ⇒   5 < x < 17

Answer: the 3rd side must be between 3 and 9, the 2nd side must be between 5 and 17


6 0
3 years ago
Simple Algebra problem. Includes the x and y axis. Also need help finding the perimeter.
Lina20 [59]
The area of a triangle is A = (b*h)/2:
(5 * 8)/2 = 20
3 0
3 years ago
I need help plzzzzzzzz
jok3333 [9.3K]
1minutethat the answer
7 0
3 years ago
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