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3 years ago

13

Their are 5 students in a small class. To make a team the names of 2 of them will be drawn from a hat. How many different teams

of 2 students are possible?

1 answer:

Phoenix [80]3 years ago

3 0

I believe it is 28. I am sorry, but I do not know how to explain this.

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Change 11/22 to a ratio

mart [117]

The answers would be 1:2

4 0

4 years ago

Read 2 more answers

If the square of a positive integer is added to four times to integer the result is 117 find the integer.

zaharov [31]

Answer:

x = -2 ± 452i

Step-by-step explanation:

x² + 4x = 117

x² + 4x - 117 = 0

if you solve this quadratic by using the quadratic formula you get:

x = -2 ± 452i

452i is an imaginary number that equals $\sqrt{-452}$

5 0

3 years ago

U={All positive integers that are less than or equal to 30 }

Alinara [238K]

U = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30}

7 0

3 years ago

If6 x 57 = 342, what is 6 x 58? (Do not multiply).

Lubov Fominskaja [6]

Answer: 348

if 6 x 57 = 342

then 6 x 58 = 342 + 6

=> 6 x 58 = 348

therefore 6 x 58 = 348

hope that helps...

3 0

3 years ago

Question 13 (2 points)Find the area of the Sector of a circle with the given angle. Round your answer to the nearest tenth.3158

olasank [31]

13

Answer: 175.8 cm^2

Explanation:

The formula for calculating the area of a sector is expressed as

Area = θ/360 x πr^2

where

r is the radius of the circle

θ is the angle subtended at the center

From the information given,

θ = 315

r = 8

π = 3.14

By substituting these values into the formula,

Area of sector = 315/360 x 3.14 x 8^2

Area of sector = 175.8 cm^2

7 0

1 year ago