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polet [3.4K]
3 years ago
8

Find the value of 5x-6 given that 2x-7=9​

Mathematics
1 answer:
erik [133]3 years ago
4 0

Answer:

34

Step-by-step explanation:

Given that

2x - 7 = 9 ← solve for x

Add 7 to both sides

2x = 16 ( divide both sides by 2 )

x = 8

Substitute x = 8 into 5x - 6

5x - 6 = (5 × 8) - 6 = 40 - 6 = 34

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Answer:

1:6

Step-by-step explanation:

1:6

I hope this answer is correct

6 0
3 years ago
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14/1 ÷ 3/8 = please show work and answer fast​
jarptica [38.1K]

Answer: 37 1/3

Step-by-step explanation:

14/1÷3/8=?

Dividing two fractions is the same as multiplying the first fraction by the reciprocal (inverse) of the second fraction.

Take the reciprocal of the second fraction by flipping the numerator and denominator and changing the operation to multiplication. Then the equation becomes

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For fraction multiplication, multiply the numerators and then multiply the denominators to get

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112÷3

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Therefore:

14/1 ÷ 3/8=37 1/3

5 0
3 years ago
Twenty men can cut thirty trees in four hours. If four men leave the job, how many
Mice21 [21]

Answer:

As in 4 hours , 20 men can cut 30 trees. So, in 1 hour , 20 men can cut 30 trees / 4. So, in 6 hours, 20 men can cut 30 * 6 trees / 4 = 45 trees.

Step-by-step explanation:

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8 0
3 years ago
The polygons are similar, but not necessarily drawn to scale. Find the scale factor. Find the value of x. Find the value of y.
Tatiana [17]

Answer:

x = 5

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Step-by-step explanation:

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Similar to the y side, the y side needs to be 10.

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3 0
3 years ago
What is the slope of the line containing (-3, 5) and (6, -1)?
mario62 [17]

Answer:

-2/3

Step-by-step explanation:

The slope of a line can be represented as \frac{y_{2} -y_{1} }{x_{2}- x_{1} } where (x1, y1) and (x2, y2) are points on the line. We can substitute the points given, (-3, 5) and (6, -1), to calculate the slope:

\frac{-1-5}{6-(-3)} =\frac{-6}{6+3} =\frac{-6}{9} =-\frac{2}{3}

3 0
3 years ago
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