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antiseptic1488 [7]
2 years ago
9

Sarah bought 18 boxes of 65 pens at $12 a box. She sold 378 of them at 3 for $1.00 and the rest at 4 for $1.00. Find her total p

rofit.
Mathematics
1 answer:
ziro4ka [17]2 years ago
8 0

Answer:

108!

Step-by-step explanation:

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LMNP is a rectangle. Find the value of x and the length of each diagonal. LN= x and MP= 2x -8
loris [4]

Answer:

<h2>x = 8 (Verified) ✅</h2>

Step-by-step explanation:

If we visualize the figure, we can see that sides LN and MP are going to be parallel and of the same length.

So x = 2x - 8

Subtract x

0 = x - 8

x = 8

Check the answer

8 = 2(8) - 8

8 = 16 - 8

8 = 8 ✅

3 0
3 years ago
Lynn gave her nail technician a $5.10 tip. The tip was 15% of the cost of the manicure. Write an
satela [25.4K]

Answer:

Step-by-step explanation:

b x .15 = 5.10

b=5.10/.15

b=34

6 0
2 years ago
Please help me in math
Marta_Voda [28]

When we have negative exponents, we can move the term with the exponent to the bottom of the fraction. This is also known as multiplying by the reciprocal (and changing the negative exponent to be positive!).

The reciprocal of z^-3 would be 1 / z^3.

Hope this helps!! :)

3 0
2 years ago
The Symphony
lord [1]
Answer is 12.50. u can comment on my answer if you would like to see how that is the correct answer :)
5 0
3 years ago
Erica solved the equation −5x − 25 = 78; her work is shown below. Identify the error and where it was made. (5 points)
NemiM [27]
If you would like to solve the equation -5x - 25 = 78, you should do this using the following steps:

<span>-5x - 25 = 78
</span>-5x - 25 + 25 = 78 + 25
-5x + 0 = 103
-5x = 103 /(-5)
x = 103 / (-5)
x = - 103/5 = - 20.6

The error was already made at step 1.
7 0
3 years ago
Read 2 more answers
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