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# Equation Questions and Answers (Q&A)

21.4 is what i got but it says the answer is 22.4?

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-7,because it has been verified also: x2-(-7)x + 12=0 x2+7x +12=0 x2+4x +3x +12=0 x(x+4)+3(x+4)=0 (x+3)(x+4)=0 now,difference= -3-(-4)= -3+4=1 ...Read More

Chemx

The answer is y= 8 x- 2 this how it is kTake x and y as the coordinates of the other line and cross multiple with 8 then leave the answer in form of y= mx +...Read More

A/(2c) is equivalent to a/2c in this problem since the denominator is a product of 2 and c and not the sum or difference of 2 and c

A new substance is made, but atoms are not created or destroyed, they are just rearranged.

d fan

Seeiously ? What a great explanation!!!!!!!!!!!!!!

The answer is -4 because -10 - 10 = -20 divided by 5 is -4m/s/s

On reaching max height the velocity becomes zero. the ball starts falling downward. i think A is the correct answer. the ball is projected vertically upward.

Nope it's wrong the answer is 10.8

Object A has the greater speed.

There are two types of Motion; Constant Velocity motion and Accelerated Motion. The shapes of the position versus time graphs for these two basic...Read More

Daniel Collingwood, SSEE

The answer to the above equation is (+9)

step 1> -5+4+2+8

step 2> -5+14

step3 = solution = +9

The easiest way to calculate the area of a triangle is by using the very popular formula, 1/2(bh). Where b stands for the base of the triangle, and h stands for the height of the triang...Read More

Phoneyella, SSEE

Y/-3 + 2 - 2 = -13 - 2

y/-3 = -15

y/-3 x -3 = -15 x -3

y = 45

C. Y = 45

Y/7-4 is less then -2

times 7 on both sides because multiplication is ffirst

y-4 is less then -14  