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tangare [24]
3 years ago
13

Please help me with this math question!!

Mathematics
2 answers:
monitta3 years ago
7 0
Answer: 95

Good luck !
Elis [28]3 years ago
4 0

Answer:

95

Step-by-step explanation:

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2/5 + k/4 = 9/10 (solve with work)
Alla [95]

The LCD of 2/5 + k/4 = 9/10 is 20. Applying this LCD, we get:


8 + 5k = 18. Subtracting 8 from both sides: 5k = 10. Then k = 10/5, or k = 2.

6 0
4 years ago
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At a sale this week, a desk is being sold for $336. This is a 36% discount from the original price.
8090 [49]

Answer:

$525

Step-by-step explanation:

We can find the original price by using the formula x - 0.36x = 336, where x is the original price, 0.36 is the discount percentage (converted to decimal form), and 336 is the total amount paid after the discount is applied:

x-0.36x=336\\0.64x=336\\x=525

To check and further understand why the formula works, we can simply apply the discount to the original price and subtract the number from the original price:

525 * 0.36 = 189

525 - 189 = 336

Modeling the first formula gives us:

525 - (0.36 * 525) = 336

525 - 189 = 336

6 0
2 years ago
The net below represents a cube. What is the surface area, in square centimeters, of the cube?
devlian [24]
The surface area of that cube is 8.64 cm
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3 years ago
What is the solution to the equation 1.6m − 4.8 = −1.6m?
nordsb [41]
See attached picture for answre

7 0
3 years ago
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I don’t know how to work out this word problem for my math class
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do you mind telling me the question?

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3 years ago
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