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guajiro [1.7K]
3 years ago
13

The sixth-grade class is competing in the school field day. There are 32 girls and 40 boys who want to

Mathematics
2 answers:
dsp733 years ago
6 0
8 teams
5boys
4 girls
RideAnS [48]3 years ago
5 0

Answer:

There can be 8 teams at most

4 girls on each team

5 boys on each team

hope this helps! :)

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I NEED HELP PLEASE :( I DONT UNDERSTAND! LINKS WILL BE REPORTED
kobusy [5.1K]
Count the units on the sides. On the Y axis the rectangle is 4 units and on the X axis the rectangle is 6 units. Area of a rectangle=L*W so, 6*4=24. Perimeter is 4*2 and 6*2=8+12=20. Hope this helps!
6 0
3 years ago
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2x+x(x+6)<br> Solve to the lowest equation/number
Ghella [55]

Answer:

x^2 +8x

Step-by-step explanation:

2x+x(x+6)

Distribute

2x + x^2 +6x

Combine like terms

x^2 +8x

7 0
3 years ago
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The width x of your iris decreases from 4 millimeters to 2 millimeters when you enter a dark room. How many times greater is the
inysia [295]

Answer:

The area of the Iris is 4 times greater.

Step-by-step explanation:

Firstly, we have to realize that we cannot solve this problem without knowing the radius of the iris. because from the information given, the radius of the iris could well be the size of the galaxy and contract from width of 4mm to 2mm and we wouldn't know!

The average radius of the iris is 6mm, so we take this value.

Now, initially the width of the iris is 4mm, that means the radius of the pupil is:

6mm-4mm=2mm

Therefore it's area A is:

A=\pi r^2=\pi (2)^2=4\pi

When the iris contracts to 2mm, the radius of the pupil becomes:

6mm-2mm=4mm

Then it's area is A:

A=\pi r^2=\pi (4)^2=16\pi

To find how many times greater this final area is than the initial area, we just divide it by the initial area:

\frac{16\pi }{4\pi } =4

This is 4 times greater than the initial area.

3 0
3 years ago
Solve the equation for y: 2 y – 25 = 19
stealth61 [152]

Answer:

2y - 25 = 19

2y = 19 + 25

2y = 44

y = 44 / 2

y = 22

Hope it helps

4 0
3 years ago
The volume, V, of a right cone varies jointly with the square of the radius of the base, r, and the height, h. When r = 6 and h
Sveta_85 [38]

Answer:

V=πr^2(h/3)

Step-by-step explanation:

V=π6^2(8/3)

6 0
3 years ago
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