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pogonyaev
3 years ago
13

Solve: 3x-5y= -15 using y=mx+b method. Show steps

Mathematics
2 answers:
Anna007 [38]3 years ago
5 0
3x-5y=-15

-5y=-3x-15

-5y=-3x - 15

Y=3/5x+3

Sliva [168]3 years ago
4 0
3x-5y=-15                                What you do to one side, you must do to the other.
-<u>3x        -3x
</u><u />-5y=-3x-15

<u>-5y</u>=<u>-3x</u> <u>- 15</u>
-5     -5   -5

Final Answer: y=3/5x + 3

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Tju [1.3M]

Answer:

14.29% probability that Marlon's friend will think of the number 9

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this problem, we have that:

There are 7 numbers from 5 to 11(5,6,7,8,9,10,11)

9 is one of them

So

p = \frac{1}{7} = 0.1429

14.29% probability that Marlon's friend will think of the number 9

4 0
3 years ago
If f(x)=5x-7,what isf(3)?​
ArbitrLikvidat [17]

Answer:

Explanation:

f  (  − 3 )  basically means substitute  − 3  for  x  in the function  − 5 x

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−

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=

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5

(

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15

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=8

Step-by-step explanation:

4 0
2 years ago
A car and a limo each drive along a straight road between two points. Using the points on a map that the city created, the car w
garik1379 [7]
The path of the car and the limo are straight lines. To determine the equation of the lines of the paths, the slopes must be determined. Let m1 = slope of car m2 = slope of limo so, m1 = (7 + 7)/(5 + 2) = 2 m2 = (-5 -9)/(3+4) = -2 therefore the equations are car: 2x – y = 2(5) –(7) 2x – y = 3 Limo: 2x + y = 2(3) – 5 2x + y = 1 Solving the intersection of the equations (using a calculator) x = 1 y = -1
8 0
3 years ago
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To find the probability of both of these occurring, you will multiply the probability of choosing a blue marble by the probability of choosing a purple marble (with no replacement after the first one).

Probability of choosing a blue marble:  17/120
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17/120 x 18/119 = 3/140

You will have a 3/140 chance of both of these occurring.
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0.375

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8 0
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