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My name is Ann [436]
3 years ago
10

There are 438 students at a middle school. If 38% of the students participate in after school sports what would the number of st

udents involved be.
Mathematics
1 answer:
umka21 [38]3 years ago
6 0

Answer:166

Step-by-step explanation:438x.38=166

438 being the total amount of students

.38 being the 38% involved (moved percentage two to the left to make it a decimal)

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Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains
fenix001 [56]
So 5 liters of natural for every 7 synthetic, so 5 / 12 liters are natural oil.

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Hope this helps!
7 0
3 years ago
Graph the system of equations. Then determine whether the system has no solution, one solution, or infinitely many solutions. If
pav-90 [236]

Answer:

Second option: One solution. Independent.

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

y=mx+b

Where "m" is the slope and "b" is the y-intercept.

Since the equations of the system have this form, we know that they are lines.

We can identify that the y-intercept of the first equation y=-5x+1 is:

b=1

Now we need to find the x-intercept. Substitute y=0 and solve for "x":

0=-5x+1\\\\5x=1\\\\x=\frac{1}{5}=0.2

Then, we can graph the first line which passess through the points (0,1) and (0.2,0). Observe the graph attached.

The y-intercept of the second equation y=-2x-2 is:

b=-2

Now we need to find the x-intercept. Substitute y=0 and solve for "x":

0=-2x-2\\\\2x=-2\\\\x=\frac{-2}{2}=-1

Then, we can graph the second line, which passess through the points (0,-2) and (-1,0).

You can observe in the graph that the lines intersect at the point (1,-4). Therefore, that point is the solution of the system of equations.

Since the lines intersect, then there is one solution that is true for both equations. It is independent

4 0
3 years ago
What is the distance between the points (–3, 4) and (–7, 4)?
Liono4ka [1.6K]
10 I hope this helps bye
6 0
3 years ago
Read 2 more answers
(_9 over 14)×(8over21)
GuDViN [60]

1st, 9/14 = .643 and 8/21 = .381.

2nd, 9/14 x 8/21 = .643 x .381

3rd multiply and solve .643 x .381 =

4th answer is 0.245

Hope I helped


4 0
3 years ago
:) The cost price of 11 pencils is equal to the selling price of 10 pencils. Find the gain
kirza4 [7]

Answer:

You are losing 9 percent for every cent or 0.09cents per cent.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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