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3 years ago

Write a story story problem that can be solved by finding the sum of 506,211 and 424,809

1 answer:

4 0

If there is a 506,211 pound whale on a scale and you add another whale of 424,809 pounds on the scale how much would they both weigh?

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which of the following steps indicates thr addition property of equality while solving the equation -1 -6x = x - 15?

VLD [36.1K]

Answer:

-1-6x=x-15

-6x+x=-15 +1

-6x^2=-14

x^2=-14 +6

x^2= -8

x=_/8

x=4

8 0

2 years ago

Plz help plz plz plz I need help I would really appreciate if u help me out

allsm [11]

What’s the question tho

6 0

3 years ago

Read 2 more answers

What is the product of (2x - 5)(2x + 5)2 ?

m_a_m_a [10]

8x^2-50 is your answer hopes this helps

6 0

2 years ago

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An office building loses a third of its heat between sundown and midnight and an additional half of the original amount of heat

Mekhanik [1.2K]

Answer:

$\dfrac{1}{16}$

Step-by-step explanation:

Proportion of Heat Loss Between sundown and midnight $=\dfrac{1}{3}$

Proportion of Heat Loss between midnight and 4 AM $=\dfrac{1}{2}$

Proportion of Total Heat Already Lost $=\dfrac{1}{3}+\dfrac{1}{2} =\dfrac{5}{6}$

Proportion of Remaining Heat $=1-\dfrac{5}{6}=\dfrac{1}{6}$

Between 4 AM and 5 AM, five-eighths of the remaining heat is lost.

Proportion of Heat Loss between 4 AM and 5 AM= $\dfrac{5}{8}$ X \dfrac{1}{6} = \dfrac{5}{48}$

Therefore, Proportion of Remaining Heat Left $=\dfrac{1}{6}- \dfrac{5}{48}=\dfrac{1}{16}$

We therefore say that:

$\dfrac{1}{16}$ of the total heat loss occurs between 5 AM and sunrise.$

6 0

3 years ago

What is the justification for the step taken from line 2 to line 3?

natima [27]

Answer:

They subtracted 2x from both sides.

Step-by-step explanation:

They removed 2x from each side because in order to find x it will have to be removed on one side. Since 2x - 2x = 0 it is 2x is out of the equation for the right side and on the left side -2x -(-4x) = -6x which means that there is one x variable left in the equation thus making it solvable.

5 0

3 years ago