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defon
3 years ago
10

Simplify each algebraic expression 5a+5b-4(a+b)

Mathematics
2 answers:
Iteru [2.4K]3 years ago
5 0

Answer:

a+b

Step-by-step explanation:

Snowcat [4.5K]3 years ago
4 0

Answer:

b-4a

Step-by-step explanation:

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Olin [163]
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2 years ago
Please help I have no clue how to do this​
Alinara [238K]

Step-by-step explanation:

It's a question of trigonometry.

You need to remember that tangent (tan) stands for Perpendicular / Base.

So, tan P = QR / PR

By Pythagoras Theorem,

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x² = 1156 - 900

x² = 256

x = 16

Now, placing the values,

tan P = 30 / 16

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HOPE IT HELPS ^_^

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2 years ago
Multiply or divide as indicated. x^4 • x^-2
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The answer is 0 unless I did the math wrong


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8 0
3 years ago
Read 2 more answers
Find the original price of a salt lamp that is $76 after a 20% discount.
makvit [3.9K]

Answer:

$76 x 1.20 = $92

$92 / 1.20 = $76

To keep and show decimals we divide 20 by 100 to show 1.02 then show any 2 placement decimals if none are shown in draft first then you can try in draft 20/1000 to see the difference between the decimals.

Step-by-step explanation:

5 0
3 years ago
The charge for a bicylce repair was $9.28 for parts, 1/4 hour of labor at $18 per hour, and a $2 shop fee. What was the total co
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9.28 plus 2 is 11.28. 1/4 of 18 is 4.50. Add 4.50 to 9.28 and your total is $15.78.

The equation would be:
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3 years ago
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