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Alchen [17]
3 years ago
5

Look at the picture............................

Mathematics
1 answer:
Lemur [1.5K]3 years ago
7 0

There was $135 in Roland's bank account after the two-month period.

Step-by-step explanation:

Step 1:

Roland out $180 in his account at the beginning of July. This reduced by 25% over the next two months.

We need to determine how much 25% of $180 is. To do so we convert 25% into a fraction and multiply with 180.

25% of $180 =\frac{25}{100}  (180)= 45.

So an amount of $45 reduced over two months.

Step 2:

To calculate the money Roland has in his account after two months, we subtract the amount reduced from the amount of money in his account at the beginning of July.

The amount of money in his bank account after the two-month period 180-45= 135.

So there was $135 in Roland's bank account after the two-month period.

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Answer:

n=7 d=8

Step-by-step explanation:

n+d=15 d=15-n

0.05n+0.1(15-n)=1.15

0.05n-0.1n+1.5=1.15

-0.05n=-0.35

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2 years ago
Solve 10e^2x - 5 =23^x for x.
yawa3891 [41]

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USPshnik [31]

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Step-by-step explanation:

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2 years ago
If AB=BC,AB=4=4x-2,andBC=3x+3,fine the length of AB
laila [671]

Answer:

18

Step-by-step explanation:

First, I'm assuming AB=4=4x-2 was a typo and it's supposed to be AB = 4x - 2

AB=BC

AB = 4x - 2 BC = 3x + 3

4x - 2 = 3x + 3

Solve for x Add 2 to each side

4x - 2 = 3x + 3

4x - 2 + 2 = 3x + 3 + 2

4x = 3x + 5 Subtract 3x from each side.

4x - 3x = 3x- 3x + 5

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Now plug back in to the original equations

AB = 4x - 2                  BC = 3x + 3

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AB = 18                        BC = 18

So AB is 18

3 0
3 years ago
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