In how many ways can 12 students sit in two rows each row having 6 "srudents"

Answers

Answer 1

Answer: The answer is 2 rows

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What 2 numbers multiply to -360 and add up to 9

Answers

xy = -360
x + y = 9

x + y = 9
- x - x
y = -x + 9

xy = -360
x(-x + 9) = -360
x(-x) + x(9) = -360
-x^2 + 9x = -360
+ 360 + 360
-x^2 + 9x + 360 = 0
-1(x^2) - 1(-9x) - 1(-360) = 0
-1(x^2 - 9x - 360) = 0
-1 -1
x^2 - 9x - 360 = 0
(x + 15)(x - 24) = 0
x = -15 or x = 24

The two numbers that multipky to -360 and 9 are -15 and 24.

A kite string is attached to a peg in the ground. If 100 meters of kite string are played out on the kite and the string makes an angle of 49° with the ground, what is the distance, in meters, from the kite to the ground? (Assume that the string is taut and the ground is level.)A. 133
B. 115
C. 75
D. 66
E. 52

Answers

The answer would be C) 75 meters between the kite and ground.

13=-5/4a PLEASEE HELP ME WITH THIS

Answers

Move 4a to the other side.

13(4a) = -5

52a = -5

a = -5/52

hope this helped :D

What is 2x – 45 = 7x – 9x –x

Answers

Hi,

2x - 45 = - 3x

2x + 3x = 45

x = 45/5 = 9.

Answer:

x=9

Step-by-step explanation:

2x-45=7x-9x-x

2x-45= -3x

5x=45

x=9

EF is the angle bisector of TEA find the two angle measures not given in the diagram

Answers

Since EF is the angle bisector of TEA, it divides the angle TEA into two congruent angles. Let's denote the measures of the angles as x.

So, the measure of angle EAF would also be x.

Now, the sum of the angles in a triangle is always 180 degrees.

From the given diagram, we have:
Angle T = 100 degrees
Angle EAF = x degrees
Angle A = 90 degrees

To find the two angle measures not given in the diagram, we can use the fact that the sum of angles in a triangle is 180 degrees.

180 = Angle T + Angle EAF + Angle A

Substituting the given angle measures:
180 = 100 + x + 90

Simplifying the equation:
180 = 190 + x

Next, we solve for x:
x = 180 - 190
x = -10

We found that x is equal to -10. However, in the context of angles, negative values are not meaningful. Therefore, we can conclude that there is no unique solution for the two angle measures not given in the diagram.

Twenty students in class A an 20 students in class B were asked how many hours they took prepare for a exam

Answers

what are you talking about

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What is the relationship between ratios 10/24 and 5/12, proportional or non-proportional? A. Proportional B. Non-proportional

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