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777dan777 [17]
3 years ago
6

PLEASE HELP ASAP will give brainliest

Mathematics
1 answer:
sineoko [7]3 years ago
8 0

Step-by-step explanation:

3n-5=(-8*6)+(-8*5n) distributive property

3n-5=-48-40n

3n+40n=-48+5 add property

43n=-43 add property

43n/43=-43/43 division property

n=-1

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What statement regarding the diagram is true?
kumpel [21]
I believe the second one right, because if I remember two opposite angles of an outside angle = the outside angle.
8 0
3 years ago
-3(1-2x)-3=-20-8x what is the work and answer
larisa86 [58]
You have to keep order of operations in mind.

1. Take care of the parentheses; distribute.
-3+6x-3=-20-8x
Simplified: 6x-6=-20-8x

2. Isolate the x variable.
Add 8x to both sides and add 6 to both sides.
14x=-14

3. Solve for x.
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4 0
3 years ago
Mrs. Adams deposited $12,000 into an account that earns an annual simple interest rate of 3.25%. She makes no other deposits or
lisabon 2012 [21]

Answer:

<em>Mrs. Adams will earn $3,120 of interest at the end of year 8.</em>

Step-by-step explanation:

<u>Simple Interest</u>

In simple interest, the money earns interest at a fixed rate, assuming no new money is coming in or out of the account.

We can calculate the interests earned by an investment of value A in a period of time t, at an interest rate r with the formula:

I=A.r.t

Mrs. Adams deposited an amount of A=$12,000 into an account that earns an annual simple interest rate of r=3.25%. We must find the interest earned in t=8 years. The interest rate is converted to decimal as:

r=3.25/100=0.0325

The interest is then calculated:

I=12,000\cdot 0.0325\cdot 8=3,120

Mrs. Adams will earn $3,120 of interest at the end of year 8.

7 0
3 years ago
Elliot has a total of 26 books. he has 12 more fiction books than nonfiction books. let x represent the number of fiction books
KIM [24]

Answer:

X+Y=26

X-Y=12

Step-by-step explanation:

fiction books= X

non fiction books= Y

then,

fiction books= X

non fiction books = X-12

but Y= X - 12

from. the statement,

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X-Y=12

6 0
2 years ago
I need help answering this question...
koban [17]
We need to solve how much it cost to paint a room with are 459 ft² given that a room with an area of 306 ft² costs $72. The solution is shown below:
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Solving the cost for the similar room:
Costs = $0.2353 * 459 ft²
Costs = $108

The answer is $108.
4 0
3 years ago
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