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zimovet [89]
3 years ago
13

Find the equation of the line that is parallel to the graph of 2x-7y=8 and passes through (-1,-1)

Mathematics
1 answer:
USPshnik [31]3 years ago
7 0
Solve for y
-7y = -2x + 8
y = (2/7)x - 8/7

A parallel line has the same slope as the given line. The slope of the given line is (2/7)
 
y = (2/7) x + b Now we have to find b using (-1,-1). When x = - 1 so does y
-1 = ( 2/7)*(-1) + b
-1 + 2/7 = b
b = - 5/7

The line is 
y = (2/7)x - 5/7

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What is the probability that no more than 5 of the next 100 skiers who attempt this run will injure themselves
san4es73 [151]
That ratio will be 5/100 because it's 5 out of 100 people

Therefore the probability is <= 5%
6 0
3 years ago
How to find two consecutive numbers whose squares differ by 15?
LUCKY_DIMON [66]
Let x is the first no. then the other no. will obviously be (x+1)

according to question,
(x+1)²- x²= 15
x² +2x+1 - x² = 15 ( using (a+b)²= a²+ b² + 2ab )
2x + 1 = 15
2x = 14
x = 7

hence numbers are x = 7 and x +1 = 7+1 = 8
also 8²-7² = 64-49 = 15

hence the numbers are 7 and 8

hope it helped
4 0
2 years ago
If the average mass of a peacock is 4.95 kilograms, what is the average mass of a peacock In grams?
anyanavicka [17]

Answer:

4950g

Step-by-step explanation:

firstly remember the formula for converting from kg to g

Kilograms ( kg) to grams(g)

1 kg = 1000g

therefore to convert 4.95 kg to g

is 4.95 * 1000

=<u> 4950g</u>

6 0
3 years ago
Slope 3, passing through the point (2,2)
den301095 [7]

(y-y1)=m(x-x1) where m is the slope and (x1 and y1 ) are the points

(y-2) = 3(x-2)

y-2=3x-6  add 2 to each side

y-2+2=3x-6+2

y=3x-4

5 0
3 years ago
Hdhddhdhdjdjdndjdjdjdjjdjdjdj
Alina [70]

Answer:

Not enough info

Step-by-step explanation:

Find the length from the school to the community center (this is the shortest route).

2^2+7^2 = c^2

c = sqrt(53)

The amount of time the trip takes depends on how long it takes Miguel to walk one city block.

sqrt(53)*lengthOfTimeForOneCityBlockInMinutes = the minimum time.

7 0
2 years ago
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