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emmainna [20.7K]
2 years ago
7

8

Mathematics
1 answer:
Alik [6]2 years ago
3 0

Answer:

<em>123 pens in Box A</em>

Step-by-step explanation:

To solve this we will rewrite the word problem as an equation...

5x (A)

x (B)

When Teddy moves 82 pens from A to B, he is subtracting 82 pens from Box A and adding 82 pens to Box B...

5x - 82 (Change in Box A - subtraction)

x + 82 (Change in Box B - addition)

The problem now states that Box A and Box B are equal...

5x - 82 = x + 82

--- subtract x from both sides ---

4x - 82 = 82

--- add 82 to both sides ---

4x = 164

--- divide both sides by 4 ---

x = 41 pens

Now, we replace the x in the expression "5x - 82" with 41...

5(41) - 82 = 205 - 82

205 - 82 = 123

123 pens in Box A

Hope this Helps!

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How can you use the graph to f he amount of distilled water to use for 4.5 milliliters of ammonia?
Elden [556K]

Answer:

The graph can show you how much distilled water for 4 milliliters of ammonia and 5 milliliters of ammonia. You can use the graph to find 4.5 by find the midpoint of two amounts of distilled water. Such as, say that 4 milliliters of ammonia = 200 distilled water and 5 milliliters of ammonia=  250 distilled water. Then the answer to 4.5 milliliters of ammonia is 225 distilled water.

Step-by-step explanation:


6 0
3 years ago
If a point is translated horizontally,the x-coordinate will stay the same.true or false
icang [17]
"horizonally" and "x-coordinate" are very much related.

If you start with a point and move the point horiz., the x-coordinate will change accordingly.  If the original point were (2,3) and the point is translated 3 units to the right, then the new x-coord. would be 2+3, or 5:  (5,3).
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3 0
3 years ago
A bag contains 3 red marbles, 7 blue marbles and 5 green marbles. If two marbles are drawn out of the bag, what is the probabili
babunello [35]

Answer:

<h2>0.218</h2>

Step-by-step explanation:

Probability is the likelihood or chance that an event will occur.

Probability = Expected outcome of event/ Total outcome

If a bag contains 3 red marbles, 7 blue marbles and 5 green marbles, the total number of marbles in the bag will be the total outcome i.e 3+7+5 = 15

If two blue marbles are drawn, the expected outcome in both cases is 7 since there are 7 blue marbles in the bag.

Probability of drawing the first blue marble = 7/15

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Probability that both marbles drawn will be blue =  7/15*7/15

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8 0
3 years ago
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kicyunya [14]
\frac{1}{4} ÷ \frac{2}{3} is the equation

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So what that means is that you flip the second fraction and multiply

So \frac{2}{3} is now \frac{3}{2}

Now the equation is \frac{1}{4} × \frac{3}{2} which equals \frac{3}{8}

Your answer is \frac{3}{8}
3 0
3 years ago
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