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fredd [130]
3 years ago
12

8x - y = 50; x + 4y = -2

Mathematics
2 answers:
taurus [48]3 years ago
8 0

answer

x=6

y=-2

step by step explanation

inessss [21]3 years ago
3 0

Answer: x= 6, y= -2

Step-by-step explanation: hope this helps.

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Two cars are traveling in the same direction. the first car is going 40 mph and the second car is going 55 mph. the first car le
jarptica [38.1K]
I hope this helps you




distance=speed×time



first cars time t




second cars time t+3



same distance


distance=55.t


distance=40. (t+3)



55t=40 (t+3)



55t-40t=120


15t=120


t=8


t+3=11
4 0
3 years ago
What is the best measure of center for the data represented 2 points<br> by the histogram below?
AlexFokin [52]

Answer:

Median

Step-by-step explanation:

Hope this helped

3 0
3 years ago
The volume of a Cylinder is given by the formula v=pir2h, where are is the radius of the cylinder and H is the height. Suppose a
faust18 [17]

You just need to plug those expressions inside the formula: it doesn't matter if they're expressions involving a variable instead of plain numbers: the formula becomes


V = \pi (x+8)^2(2x+3)


If you want, you can simplify it by expanding the square and then multiply the two parenthesis:


V = \pi (x^2+16x+64)(2x+3) = \pi (2 x^3 + 35 x^2 + 176 x + 192)

6 0
3 years ago
A family consists of a father, a mother and 2 children. What is the probability that all 2 children are boys?
pashok25 [27]

Answer:

¼

Step-by-step explanation:

The probability of having a boy is ½ and that of a girl is ½.

Probability of boy, boy is (pb*pb) and given pb to be ½ then we can prove the point as follows

For these two children

The options are as follows

1 boy(first) and 1 girl

2 boys

2 girls

1 girl( first) and 1 boy

These are four possible options and the option for two boys is 1 out of the four.

The probability of 2 boys is ½*½=¼

4 0
3 years ago
Solve the inequality <br> r/6 &lt; or equal to 3
RSB [31]
R is greater then or equal to18
6 0
3 years ago
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