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olga55 [171]
3 years ago
13

R-(-4x - (y + y)); use x = -4, and y = -3 evaluate ​

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
8 0

Answer:

insert values of x and y

r - ( -4(-4) - ( -3-3))

r - ( 16 +6 )

r - 22

Doneeeeeeeeeeeeeeeeee3

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Identifying Parallel and Perpendicular Lines Which statement is true regarding the parallel and perpendicular lines in the diagr
Maslowich

Answer:

Option (3) and (4) are correct .

w║n and n⊥m and w║n so  w⊥m

Step-by-step explanation:

In the given figure, we have a set of lines which are parallel and perpendicular.

Parallel lines are lines in same plane which when extended do not meet and are always same distance apart from each other.

Perpendicular lines are two non-vertical lines in the same plane intersect at right angles.

From the figure given,

w║n and n⊥m as angle between a and n is right angle that is ∠mxn = 90° (given)

Since, w║n so  w⊥m also both w and n shows same property as both are parallel lines.

Thus, option (3) and (4) are correct .


3 0
4 years ago
Read 2 more answers
60 pts! <br><br>2x + 34 = 4(x + 5)<br><br>solve the equation for x. ​
erma4kov [3.2K]

Answer:

x=7

Step-by-step explanation:

expand 4(x+5): 4x+20

2x+34=4x+20

subtract 34 from both sides

2x+34-34=4x+20-34

2x=4x-14

subtract 4x from both sides

2x-4x=4x-14-4x

-2x=-14

divide both sides by -2

-2x/-2=-14/-2

x=7

7 0
3 years ago
identify the type of function that models the labor cost of repairing a computer if the charge is $50 per hour or fraction there
mezya [45]

Answer:  Linear

<u>Step-by-step explanation:</u>

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Since x has an exponent of 1, it is a linear function.

Bonus:

exponent of 2: quadratic function

exponent of 3: cubic function

exponent of 4: quartic function

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See https://web2.0calc.com/questions/help_2617.

5 0
3 years ago
Can anyone help me on this one
Serhud [2]

Answer:

it is B.  7.989

Step-by-step explanation:

Brainliest plz

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3 years ago
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