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olga_2 [115]
3 years ago
5

20 POINTS!!!! Please explain will give brainliest!!!

Mathematics
1 answer:
masha68 [24]3 years ago
4 0
X ≤ 30 

This means that x, the your mph, can be equal to or less than 30 mph. If over, say 30 < x , then you will be over the speed limit and you'll get a ticket.

hope this helps
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Which of the relations given by the following sets of ordered pairs is a function?
solniwko [45]

Answer:

B

Step-by-step explanation:

You can solve this by using the vertical line test. When you do the vertical line test, the vertical line should only pass through one point on the function. That means that there can to be only one value of x for every y. Set B is the only set where the x value doesn't repeat.

8 0
3 years ago
Simplify the expression -(2m+3)+5m
astra-53 [7]

Answer:

3m-3

Step-by-step explanation:

So we have the expression:

-(2m+3)+5m\\

Distribute the negative:

=-2m-3+5m

Combine like terms:

=3m-3

And we're done!

5 0
2 years ago
Read 2 more answers
What must be true for lines a and b to be parallel lines? Check all that apply.
Dima020 [189]

Answer:

Option (1), (2) , (7) and (8) is correct.

Step-by-step explanation:

Given: a║b  and d and c be transversal , We have to find the value of x and measure of angle 1 and 2.

Since, a║b  and d be a transversal  then ,

∠BXZ = ∠AZP = 58° ( corresponding angles )

Thus, m∠2 = 58°

∠BYC = ∠XYZ = (4X-10)° (vertically opposite angles)

Since, a║b  and c be a transversal  then,

  ∠XYZ = ∠QZU = (4X-10)°  (Corresponding angles)

Thus, m∠1 =  (4X-10)°

Also, Since, 'a' is a straight line.

Sum of angles on a straight line is 180°.

⇒ ∠PZA + ∠PZQ + ∠QZU = 180°

⇒ 58° +(3X-1)°+(4X-10)° = 180°

⇒ 58° + 7x - 11 = 180°

⇒ 47° + 7x  = 180°

⇒  7x  = 180°- 47°

⇒  7x  = 133°

⇒  x  = 19°

Put x = 19 in (3X-1)° and (4X-10)° , we get

(3X-1)° = (3(19)-1)° = 56°

(4X-10)° = (4(19)-10)°= 66

Thus, (3X-1)° ≠ (4X-10)°

Thus, option (1), (2) , (7) and (8) is correct.


5 0
3 years ago
Read 2 more answers
HELP !! The equations of three lines are given below.
Leviafan [203]

Answer:

1 neither

2 neither

3 neither

Step-by-step explanation:

6 0
3 years ago
Find the range of the function<br> F(x) = (x-2)2 +2
viktelen [127]
(x - 2)^2 will always be positive and will have a minimum value of  0 

so f(x) will have minimum of 2

Range is [2,∞)
8 0
3 years ago
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