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3 years ago

Y = x + 4

Mathematics

2 answers:

OlgaM077 [116]3 years ago

4 0

Substitute y
−2x − 2= x + 4
-2x-x=4+2
-3x=6
x=6/(-3)=-2
Y = x + 4, y=-2+4=2
(-2,2)

Alex777 [14]3 years ago

3 0

X = -2
y = 2

You can get this by setting the two different y's equal to each other and solving for the x value.

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if your bicycle tire has a diameter of 9 inches. how many rotations does each tire make if you travel 300 feet?

Vesnalui [34]

Step One
Calculate the number of feet traveled in 1 rotation.

Formula
C = π*d
P = 3.14
d = 9 inches = 9/12 feet = 3/4 of a foot.

C = 3.14 * 3/4 = 2.355 So that means that every time the tire turns around 1 complete turn, the distance traveled on the ground is 2.355 feet.

Step Two
Figure out the number of revolutions.
1 revolution = 2.355 feet
x revolutions = 300 feet.

1/x = 2.355/ 300 Cross multiply
2.355 feet * x = 1 rev * 300 feet
2.355 x = 300 rev Divide by 2.355
x = 300 / 2.355
x = 127.39 revolutions. <<<< Answer

8 0

3 years ago

Match the two numbers with their least common multiple

Darya [45]

8 - 8, 16, 24, 32, 40, 48

4 - 4, 8, 12, 16,

So the LCM of 8 and 4 are C) 8

8 - 8, 16, 24, 32, 40, 48

6 - 6, 12, 18, 24, 30

So the LCM of 8 and 6 are A) 24

8 - 8, 16, 24, 32, 40, 48

10 - 10, 20, 30, 40, 50

The LCM of 8 and 10 are B) 40

Hope this Helps!!

3 0

2 years ago

Tina's gross pay is $2680. How much of her gross pay will be deducted for FICA taxes?

Burka [1]

2680 * 6.2% = $166
Make sure you add the amount that is supposed to be deducted when you attempt to solve your problems, I'm a visual learner and I usually find it best to write everything out to see where to go next. <3 do well my dear

3 0

2 years ago

This question find the value of x y and z

Klio2033 [76]

Answer:

x = 6

y = 24

z = there is no z?

Step-by-step explanation:

All angles of a polygon add up to 360 degrees

The 2 parellel lines on top and bottom mean that there are 2 right angles on the left side

3y + 18 = 90

3y = 72

y = 24

15x + 30 + 10x = 180

25x = 150

x = 6

3 0

3 years ago

2. Find the value of n. 117° 3nº

coldgirl [10]

Answer:

n = 39

Step-by-step explanation:

The base angles are congruent, that is

3n = 117 ( divide both sides by 3 )

n = 39

8 0

3 years ago

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