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BaLLatris [955]

3 years ago

14

In 2000, 900 students played soccer. In 2001, 180 additional students played. How many students must play soccer in 2002 for the

percent of increase from 2001 to 2002 to be the same as it was from 2000 to 2001?

1 answer:

Cloud [144]3 years ago

7 0

Answer:

The answer to your question is: 1296

Step-by-step explanation:

Data

2000 --------- 900 students

2001 ---------- 180

2002 ---------- ?

900 students ---------------- 100%

180 students ---------------- x

x = (180 x 100) / 900

x = 20%

1080 students ------------- 100 %

x ------------- 20%

x = (20 x 1080) / 100

x = 216

Total number of students = 1080 + 216 = 1296

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Marrrta [24]

Add 5% to the 15% you get 20%. now multiply 476 by 1.20 to get the total cost
$476 \times 1.20$

6 0

3 years ago

30. What is the solution to the system of equations? (1 point)

sesenic [268]

Answer:

Option B) (-1,7,5) is correct.

The solution to the given system of equation is (-1,7,5)

Step-by-step explanation:

Given system of equations are

$-7x-2y+z=-2\hfill (1)$

$6x-y-z=-18\hfill (2)$

$5x+4y-z=18\hfill (3)$

To find the solution of the given system of equations by using Elimination method:

Now adding equations (1) and (2)

$-7x-2y+z=-2$

$6x-y-z=-18$

_________________

$-x-3y=-20$

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$-x-3y=-20$

$-(x+3y)=-20$

$x+3y=20\hfill (4)$ (since "-" getting cancelled)

Now adding equations (1) and (3)

$-7x-2y+z=-2$

$5x+4y-z=18$

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$-2x+2y=16$

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$-2x+2y=16$

$2(-x+y)=16$

$-x+y=8\hfill (5)$

Now adding equations (4) and (5)

$x+3y=20$

$-x+y=8$

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$4y=28$

________________

$y=\frac{28}{4}$

Therefore y=7

Substituting y=7 in equation (4)

$x+3y=20$

$x+3(7)=20$

$x+21=20$

$x=20-21$

Therefore x=-1

Now substituting the values x=-1 and y=7 in equation (1) we get

$-7x-2y+z=-2$

$-7(-1)-2(7)+z=-2$

$7-14+z=-2$

$z=-2+7$

Therefore z=5

Therefore the solution to the given system of equation is (-1,7,5)

Therefore Option B) (-1,7,5) is correct.

8 0

3 years ago

Please I need the correct answer.

Alenkasestr [34]

V1 is equal to V2

XOXO

======================

6 0

3 years ago

Pls help will give 5 stars and heart

Tamiku [17]

So the circle is 39.25
And the area of triangle 30 together about 39.25

5 0

3 years ago

Find the number of sides of a regular polygon with an interior angle measuring 120 degrees

Svetllana [295]

Answer:

Using the attached formula:

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Step-by-step explanation:

6 0

3 years ago