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Alex17521 [72]
2 years ago
13

Lin runs 4 laps around a track in 6 minutes.

Mathematics
1 answer:
STALIN [3.7K]2 years ago
3 0

Answer:

B

Step-by-step explanation:

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How many gallons of pure water should be added to 10 gallons of a solution containing 15% juice so that the remaining solution c
jok3333 [9.3K]

Answer:

20 gallons

Step-by-step explanation:

10 gallons of solution w/ 15% juice means 1.5 gal of juice

to make it into 5%, multiply 1.5 by 20

1.5 x 20 = 30

5% of 30 gallons is 1.5 since 10% of 30 is 3.

Since there was already 10 gallons, the # of gallons of pure water added should be 20 gal.

I hope this helps thanks

6 0
3 years ago
Do it for me, please
murzikaleks [220]

(5×28)+(2×23)+(3×3)

.................

7 0
2 years ago
Write an equation of the line passing through each of the following pairs of points.
slavikrds [6]

Answer:

y=\frac{1}{3}+\frac{13}{3}

Step-by-step explanation:

We want to write the equation of a line that passes through (5, 6) and (-1, 4).

First, let's find our slope. We can use the slope formula:

m=\frac{y_2-y_1}{x_2-x_1}

Let's let (5, 6) be (x₁, y₁) and let's let (-1, 4) be (x₂, y₂). So, our slope is:

m=\frac{4-6}{-1-5}

Subtract:

m=-2/-6

Reduce:

m=1/3

So, our slope is 1/3.

Now, we can use the point-slope form, which is:

y-y_1=m(x-x_1)

For consistency, let's let (5, 6) be (x₁, y₁). We will also substitute 1/3 for m. So:

y-6=\frac{1}{3}(x-5)

Distribute:

y-6=\frac{1}{3}x-\frac{5}{3}

Add 6 to both sides:

y=\frac{1}{3}x-\frac{5}{3}+\frac{18}{3}

Add:

y=\frac{1}{3}+\frac{13}{3}

And we're done!

5 0
3 years ago
What is the domain of y= √x-5-1
mariarad [96]
Y = sqrt(x - 5) - 1

for the square root to be a real number x must be >= 5

The domain is x>= 5 , or in interval notation [5, ∞)
4 0
3 years ago
Read 2 more answers
52,75,90,48,90 whats the range of these scores
EleoNora [17]

Answer:

42

Step-by-step explanation:

Subtract the minimum data value from the maximum data value to find the data range. In this case, the data range is

90−48=42

6 0
2 years ago
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