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PolarNik [594]
2 years ago
12

39. State the equation for the line described below.

Mathematics
1 answer:
devlian [24]2 years ago
8 0

Answer:

Step-by-step explanation:

39). y = -\frac{7}{8} x + 3

40). m = \frac{y_{2} -y_{1} }{x_{2} -x_{1} }

y - y_{1} = m( x - x_{1} )

(- 7, 5)

( - 12, 4)

m = ( 4 - 5 ) / ( - 12 + 7) = 1/5

y - 5 = (1/5)(x + 7) ⇒ y = \frac{1}{5} x + 6.4

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Find the equivalent equation that does not contain fractions 2/3 x 7=1/2
mariarad [96]

Answer:

4x + 42 = 3

Step-by-step explanation:

Given:

\frac{2}{3}x + 7 = \frac{1}{2}

Required

Equivalent expression without fraction

To do this, we simply multiply through by a common multiple of the denominators in the expression.

The denominators are 2 and 3

2 = 2,4,6,8,10,..

3 = 3,6,9,12..

So, 6 is the least common multiple.

Multiply both sides by 6

6 * (\frac{2}{3}x + 7) = \frac{1}{2} * 6

6 *\frac{2}{3}x + 6*7 = \frac{1}{2} * 6

\frac{12}{3}x + 42 = \frac{6}{2}

4x + 42 = 3

<em>Hence, an equivalent expression.</em>

3 0
2 years ago
Between what two consecutive integers does the square root of 31 lie
Natali [406]
The answer is 5 and 6
Hope this helps
4 0
3 years ago
How could you describe the attributes of a cylinder to someone who has never seen one?
wlad13 [49]
I would say, it is round, and flat on two sides, like a can, pipe, straw, unsharpened pencil, or a piece of your leg. 
3 0
3 years ago
Pleaseeeeeeeee helpppp...
zvonat [6]

Answer:

x = 67

Step-by-step explanation:

∠ CRQ = ∠ BQR = 113° ( Alternate angles )

∠ CRQ and ∠ CRS are adjacent angles and supplementary, that is

x + 113 = 180 ( subtract 113 from both sides )

x = 67

7 0
3 years ago
Read 2 more answers
PLEASE HELP
OLga [1]
Am not quite sure but it’s 17

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