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11Alexandr11 [23.1K]
3 years ago
9

I need to know what this means ​

Mathematics
1 answer:
ololo11 [35]3 years ago
5 0

Answer:   (5n - 8)(n² - 3)

<u>Step-by-step explanation:</u>

You can factor this using the Grouping Method (hint: rearrange the terms)

   5n³ - 8n² - 15n + 24

=  5n³ - 15n   -8n² +24

=  5n<u>(n² - 3)</u>   -8<u>(n² - 3)</u>

= (5n - 8)(n² - 3)

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5218 2/3*2137 3/8*145678 7/8
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3 0
4 years ago
To the nearest degree, what i’d the measure of angle Z?<br> A. 30<br> B. 32<br> C. 47<br> D. 49
miskamm [114]

Answer:

C

Step-by-step explanation:

Using the cosine rule

cosZ = \frac{7^2+8^2-6^2}{2(7)(8)} = \frac{49+64-36}{112} = \frac{77}{112} , thus

Z = cos^{-1} (\frac{77}{112} ) ≈ 47° ( to the nearest degree ) → C

         

8 0
3 years ago
6 times x minus 5 times x plus 4/5<br> What is x
s2008m [1.1K]

Answer:

x + 4/5

Step-by-step explanation:

6x - 5x + 4/5

x + 4/5

This cannot be simplified any more so that must be the answer.

Hope this helps,

♥<em>A.W.E.</em><u><em>S.W.A.N.</em></u>♥

5 0
3 years ago
What number is 10times bigger than 30​
barxatty [35]

Answer:

300

Step-by-step explanation:

30 * 10 = 300

5 0
3 years ago
Read 2 more answers
Kelly makes $10 more per hour than her regular pay when she is working overtime. Yesterday, she worked 8 regular hours and 4 ove
sergij07 [2.7K]
Let x be Kelly's regular pay

Her pay for the day can be modelled by the equation 8x + 4(x + 10) = 160

Solve for x

8x + 4x + 40 = 160
8x + 4x = 160 - 40
12x = 120
x = 10

Kelly's regular pay per hour is $10
3 0
4 years ago
Read 2 more answers
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