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3 years ago

PLEASE HELP ILL MARK BRAINIEST

Mathematics

2 answers:

Llana [10]3 years ago

7 0

Answer:

the answers supposed to be 6

2*(-12) would be -24 that's what screwed up the equation

Step-by-step explanation:

s344n2d4d5 [400]3 years ago

4 0

Answer:

The error is in the middle: 2(-12) = -24 not 24

Step-by-step explanation:

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There are 60 players on a football team. 2/3 of the players are offensive team players 1/12 of the players are special team play

zysi [14]

Answer:

Step-by-step explanation:

2/3 x 60 = 40

1/12 x 60 = 5

60 - 40 - 5 = 15

5 0

3 years ago

Find the solution of the system of equations. 3x-8y = 19<br>3x + 5y = -46<br>

sattari [20]

(-7,-5)

Step-by-step explanation:

3x-8y = 19

minus

3x + 5y = -46

0x - 13y = 65

- 13y = 65

÷-13

y = - 5

Substitute y = - 5 into one of the functions:

3x-8y = 19

-8 x - 5 = 40

3x + 40 =19

-40

3x. = - 21

÷3

x= - 7

Solution is (-7,-5)

Hope this helps!

4 0

3 years ago

Find all solutions to the equation in the interval [0,2pi). Enter the solutions in increasing order. Cos 2x = cos x

goblinko [34]

Step-by-step explanation:

$\cos(2x) = \cos(x)$

$\cos {}^{2} (x) - \sin {}^{2} (x) = \cos(x)$

$\cos {}^{2} (x) - (1 - \cos {}^{2} (x) ) = \cos(x)$

$2 \cos {}^{2} (x) - 1 = \cos(x)$

$2 \cos {}^{2} (x) - \cos(x) - 1 = 0$

$2 \cos {}^{2} (x) - 2 \cos(x) + \cos(x) - 1 = 0$

$2 \cos(x) ( \cos(x) - 1) + 1( \cos(x) + 1)$

$(2 \cos(x) + 1)( \cos(x) - 1) = 0$

$2 \cos(x) + 1 = 0$

$2 \cos(x) = - 1$

$\cos(x) = - \frac{1}{2}$

$x = \frac{2\pi}{3} ,x = \frac{4\pi}{3}$

$\cos(x) - 1 = 0$

$\cos(x) = 1$

$x = 0$

So our answer are

$0, \frac{2\pi}{3} , \frac{4\pi}{3}$

4 0

2 years ago

45 POINTS!!!! I need help with number 1, I don’t understand it, can someone explain pls :)

xxMikexx [17]

Answer:

Recognize and use measures of center and measures of variation to describe data. Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.

Step-by-step explanation:

look at the examples below for more help, good luck!!

7 0

4 years ago

Solve for y: y + 17 = 35

Yuliya22 [10]

The answer is 22 35 -17= 22 which is how u solve for y

4 0

3 years ago