2 years ago

The points (-2, 6) and (2, r) lie on a line with slope 3. Find the missing coordinate r.

Mathematics

1 answer:

sashaice [31]2 years ago

6 0

ANSWER: r=18

EXPLANATION:

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M2 = 272 182 – 2(27)(18)cos(28°) m2 = 729 324 – (972)cos(28°) m2 = 1053 – (972)cos(28°) to the nearest whole number, the value o

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m2= 728465.7749 ...728466
m2= 194.7749...m2= 195.

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3 years ago

Anya bought some cans of paint. She used 9 of them to

kati45 [8]

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3 years ago

A collection of dimes and nickels is worth $5.60. The ratio of dimes to nickels is 3:2. How many dimes and how many nickels are

Arturiano [62]

Answer:

42 and 28 respectively

Step-by-step explanation:

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3 years ago

Read 2 more answers

Write the equation of the line that passes through the points

sesenic [268]

Answer:

$y+5=2(x-3)$ or $y+9=2(x-1)$

Step-by-step explanation:

step 1

Find the slope of the line

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

we have the ordered pairs

(3,-5) and (1,-9)

substitute the values

$m=\frac{-9+5}{1-3}$

$m=\frac{-4}{-2}$

$m=2$

step 2

Find the equation in point slope form

$y-y1=m(x-x1)$

Analyze two cases

<em>First case</em>

we have

$m=2$

$point\ (3,-5)$

substitute

$y+5=2(x-3)$

<em>Second case</em>

we have

$m=2$

$point\ (1,-9)$

substitute

$y+9=2(x-1)$

Note: The equation of the line in point slope form varies according to the point you choose, in contrast to the slope-intercept form

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3 years ago

A store buys an item for $10. To earn a PROFIT of $25, what percent does 13 po

LuckyWell [14K]

Answer:

150%

Step-by-step explanation:

25-10= 15

15/10 = 1.5

1.5 = 150%

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3 years ago