3 years ago

Question 5!!!!!!!!!!!!!!!!

Mathematics

1 answer:

postnew [5]3 years ago

7 0

Answer:

median=59

Step-by-step explanation:

big brains for days

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What is 4(x-7)=2(x+3)?

hram777 [196]

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

4(x−7)=2(x+3)

Simplify both sides of the equation.

4(x−7)=2(x+3)

4x+−28=2x+6

4x−28=2x+6

Subtract 2x from both sides.

4x−28−2x=2x+6−2x

x−28=6

Add 28 to both sides.

2x−28+28=6+28

2x=34

Divide both sides by 2.

2x/2 = 34/2

x = 17

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2 years ago

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Can you answer this?

nignag [31]

The answer is the graph b.

4 0

2 years ago

What is arccos(−1) in Radians.

Free_Kalibri [48]

Answer:

π radians

Step-by-step explanation:

The arc cos(- 1) in degrees is 180° and 180° = π radians

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3 years ago

7. Find the perimeter of the pentagon ABCDE.

oksian1 [2.3K]

Answer:

Step-by-step explanation:

32.5

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2 years ago

What is the y-intercept of a line perpendicular to y= 1/2x + 6 that passes through the point (4,-3)

Finger [1]

Answer:

(0,5)

Step-by-step explanation:

Perpendicular lines have slopes which are negative reciprocals of each other. The slope of the line y=1/2x + 6 is 1/2. The slope perpendicular to it is -2.

Using m=-2, substitute it and (4,-3) into the point slope form and simplify to find the y-intercept.

$y-y_1 = m(x-x_1)\\y--3=-2(x-4)\\y+3=-2(x-4)\\y+3=-2x+8\\y=-2x+5$

The equation is now in slope intercept form y=mx+b and b is the y-intercept. The y-intercept of y=-2x+5 is (0,5).

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2 years ago