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4 years ago

HELP ME PLSSSSS!!!!!!

Mathematics

1 answer:

Kruka [31]4 years ago

8 0

Answer:

150 square inches

Step-by-step explanation:

locate the number 5 on the graph, and find where the line touches 5, then see what y-coordinate it is

the y-coordinate is 150, meaning that is the area

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What value of x is in the solution set of 2(4+2x)>5x+5

Serggg [28]

Answer:

x < 3

Step-by-step explanation:

2(4+2x)>5x+5

Distribute

8 +4x > 5x+5

Subtract 4x from each side

8 +4x-4x > 5x-4x+5

8 > x+5

Subtract 5 from each side

8-5 > x+5-5

3 > x

X must be less than 3

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castortr0y [4]

Total cost = student cost + adult cost
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4 years ago

Solve the formula D=a+b−c for b in general.

kari74 [83]

Answer:

b = c - a - D

Step-by-step explanation:

$D=a+b−c \\ b = c - a - D$

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3 years ago

I need help with the problem

zzz [600]

I think it should be angle bisector

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3 years ago

How can the Pythagorean Identity be used to find sin θ, cos θ, or tan θ and the quadrant location of the angle?

Archy [21]

First lets see the pythagorean identities

$sin^2 \Theta + cos^2 \Theta =1$

So if we have to solve for sin theta , first we move cos theta to left side and then take square root to both sides, that is

$sin^2 \Theta = 1-cos^2 \Theta => sin \theta = \pm \sqrt{1-cos^2 \Theta}$

Now we need to check the sign of sin theta

First we have to remember the sign of sin, cos , tan in the quadrants. In first quadrant , all are positive. In second quadrant, only sin and cosine are positive. In third quadrant , only tan and cot are positive and in the last quadrant , only cos and sec are positive.

So if theta is in second quadrant, then we have to positive sign but if theta is in third or fourth quadrant, then we have to use negative sign .

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3 years ago