JUST (No.3) PLEASE! NOT (No.2)

Mathematics

1 answer:

Eva8 [605]3 years ago

5 0

B)Emily either switched the signs for no reason or solved it in the incorrect order

C) The sudent solved the equation in an incorrect order. Emily solved the first, then third, then second, which was the incorrect order. Edgar solved the thirst root, then second, then third, thus he is correct.

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8z=4(2z+1) show step by step

Verizon [17]

8z=4(2z+1)
First you would distribute the constant into the numbers in the parentheses. so
8z=8z+4
then you would combine like terms which in this case would result in a zero.
8z-8z=0 So the z would be zero or no solution.

5 0

3 years ago

Equations

sergij07 [2.7K]

Answer:

2x+12=24

first you subtract 12 from both sides

2x+12=24

-12. -12

The 12-12 should cancel itself, the rest of the equation you bring down to get

2x=12 (because 24-12=12)

Now you have 2x=12.
you then divide 2x by both sides.

2x=12

/2x=/2x

The 2x/2x cancels itself out so you then solve for 12/2x.

For this you just divide 12/2 which is 6!

x= 6 is your final answer.
to check this equation you can plug your number back into x to see if it is true! 2(6)+12=24.
6 times 2 is 12 and 12+12 is 24 so your answer (6) is true!

hope this helps! :D

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3 years ago

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Anna is planning a big birthday bash for her sixteenth birthday party and wants to invite as many people as possible but she has

Doss [256]

Im not an expert or anything, but i think for the innequality, i would say

$6.50p + 100 \leqslant 500$

as far as the amount of people she can invite, do 500-100=400 because of the setup fee, then, to find how many people she can invite. 400÷6.50 which leaves you with the highest amount of people she can invite without going over budget, as 61.

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4 years ago

The graph shows the distance a car traveled, y, in x hours: What is the rise-over-run value for the relationship represented in

pychu [463]

It goes up 3 and over 5, so 3/5 or .6

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3 years ago

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anastassius [24]

Answer:

20-3