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elixir [45]
3 years ago
13

john is 15 years old. john's mom takes him and his younger soster to a football game. tickets are $22 for adults and $16 for chi

ldren (18 and under). what is the total cost of thr tickets?
Mathematics
1 answer:
oee [108]3 years ago
7 0
Answer: 54$

Explanation:

Total cost = 16 + 16 + 22
Total cost = 32 + 22
Total cost = 54
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Solve 6x^2 - 42 = 0 for the exact values of x
GREYUIT [131]

Answer:

The values of x are

x=-\sqrt{7} , x=\sqrt{7}

Step-by-step explanation:

we have

6x^{2}-42=0

Solve for x

Adds 42 both sides

6x^{2}-42+42=0+42

6x^{2}=42

Divide by 6 both sides

6x^{2}/6=42/6

simplify

x^2=7

square root both sides

x=\pm\sqrt{7}

therefore

The values of x are

x=-\sqrt{7} , x=\sqrt{7}

6 0
3 years ago
Which of the following equations is non-linear?
d1i1m1o1n [39]
D--because it has y^2 in the equation and to isolate y you have to take the square root, the graph is going to be curved rather than linear.
7 0
3 years ago
Simplify the following question
fiasKO [112]

Answer:

<em>−  2sin(b) / cos(2b)</em>

​

Step-by-step explanation:

DIFFERENTIATE W.R.T. B is a different method entirely

We simply add together the numerators and set with 2cos

then keep this number and add to sinb and square it.

then repeat initial 2 + cosb ^2 but instead of multiplying its add.

Then set the whole division to -sin (2b) squared then +1

<em> −  2cos(b)(3(sin(b))^2+(cos(b))^2)  /  −(sin(2b)) ^2 +1  </em>

​

 

5 0
2 years ago
Biught 820 books and 34 books on a shelf how many shelves
kramer
24.12 because you have to divide 34 into 820 and then you get 24.12
6 0
4 years ago
PLEASE HELP ME SO I CAN GRADUATE!!!!!
Aleks04 [339]

Answer:

A: -41/9

Step-by-step explanation:

Substitute the point (4, -5) and slope -1/9 into the equation y = mx + b.

-5 = -1/9(4) + b

-5 = -4/9 + b

Solve for b:

b = -41/9

Our equation: y = -1/9(x) - 41/9

7 0
3 years ago
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