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lubasha [3.4K]
4 years ago
5

Solve the equation above

Mathematics
1 answer:
saveliy_v [14]4 years ago
5 0

Answer:

X = -2

Step-by-step explanation:

1/2 X (5X-8) = -9

multiply both sides of the equation by 2

2 X 1/2 X (5X - 8) = 2 X (-9)

1 X (5X - 8) = 2 X (-9)

Reduce the numbers with the greatest common divisor 2

5 x -8 = 2 x (-9)

5 x -8 = -18

Move constant to the right by adding its opposite to both sides

5X -8 + 8=-18 + 8

Then eliminate the opposites

5X = -18 + 8

Calculate the sum

5X = -10

Divide both sides of the equation by 5

5X DIVIDE 5 = -10 DIVIDE BY 5

X = -10 DIVIDE BY 5

X = -2

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A marching band wants to line up for their performance. When they line up in threes there are 2 left over. When they line up in
Naya [18.7K]

Answer: They are 59 members in the band

Step-by-step explanation:

given data:

when lined up in 3 = 2 left.

when lined up in 4 = 3 left

when they are lined up in 5 = 4 left

when they are lined up in 6 = 5 left

Solution:

From the given data, we know the band number ends with 9, so we start with 9,29,49,59. We test till we arrive at our desired answer.

59/3 = 19 R 2.

59/4 = 14 R 3.

59/5 = 11 R 4.

59/6 = 9 R 5.

They are 59 members in the band.

6 0
3 years ago
32x2 – 24x = 0<br> What’s the answer to this?
Vlad [161]

Answer:

x=0      x = 3/4

Step-by-step explanation:

32x^2 – 24x = 0

Factor out 8x

8x(4x -3)

Using the zero product property

8x = 0   4x-3 =0

x=0       4x=3

x=0      x = 3/4

3 0
4 years ago
A shipment to a warehouse consists of 4,500 MP3 players. The manager chooses a random sample of 50 MP3 players and finds 4 that
kirill [66]

Answer:

360

Step-by-step explanation:

you have to multiply 50 by 90 to get 4,500, then you multiply the number of defective ones by the same number.

8 0
3 years ago
1/5y + 1/8 =3/20 solve for y
Eddi Din [679]

Answer:

y=\frac{1}{8}

Step-by-step explanation:x_{3}

\frac{1}{5}y+\frac{1}{8}=\frac{3}{20}

multiply both sides

8y+5=6

move the constant to the right

8y=6-5

calculate

8y=1

divide both sides

y=\frac{1}{8} or y=0.125

4 0
4 years ago
What is the solution to the equation x/4 = 16?<br><br> x = 4<br> x = 8<br> x = 12<br> x = 64
PSYCHO15rus [73]

Answer:

x=64

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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