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mafiozo [28]
3 years ago
15

How do I solve this equation?

Mathematics
1 answer:
Keith_Richards [23]3 years ago
4 0

Answer:

y=\frac{7}{2}x+11

Step-by-step explanation:

To solve, we need to find the y-intercept (b). In order to find the y-intercept, we can plug in the slope and the (x,y) coordinate pair given to us into the equation to solve for the y-intercept:

y=mx+b

4=(-7/-2)*-2+b

4=14/-2+b

4=-7+b

Add 7 to both sides

b=11

Therefore the equation is:

y=\frac{7}{2}x+11 (note that the fraction is positive since the two negatives cancel out)

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Ravi is driving 440 miles to visit his grandma.
Nesterboy [21]

Answer:

You would use the formula: Rate = distance / time which equals 55

Since we are asked for the time it takes to reach 3/4 the destination.We just use 3/4 of the value of the distance.

55 = (3/4)(440) / t

t = 6 hours

So the answer would be "C"



8 0
3 years ago
7 women can bake 100 cookies in 14 days. How many would it take for 4 women to bake 240 cookies?
stich3 [128]

Answer:

it would take 30 and a half days to make 240 cookies

5 0
3 years ago
One number is six greater than another. If the sum of the two numbers is 44.​
g100num [7]

Answer:

The answer is 19.

Step-by-step explanation:

19+25= 44.

25 is 6 higher than 25.

7 0
3 years ago
At the Canada Open Tennis Championship, a statistician keeps track of every serve that a player hits during the tournament. The
kondaur [170]

Answer:

a) 54 mph to 144 mph

Step-by-step explanation:

We don't know the shape of the distribution, so we use Chebyshev's Theorem to solve this question. It states that:

At least 75% of the measures are within 2 standard deviations of the mean.

At least 89% of the measures are within 3 standard deviations of the mean.

At least eight-ninths of the player's serves.

8/9 is approximately 89%

So

Mean: 99, standard deviation: 15

99 - 3*15 = 54

99 + 3*15 = 144

So the correct answer is:

a) 54 mph to 144 mph

8 0
3 years ago
3(x-4) - (x+5) = 2x-11
dimaraw [331]
The answer is 6
3x-12-x-5=2x-11
2x-17=2x-11
=6
3 0
3 years ago
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