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Charra [1.4K]
2 years ago
9

-5n - 6n < 8 - 8n - Simplify. Show work please.

Mathematics
2 answers:
Shkiper50 [21]2 years ago
6 0

Answer:

-n← 2 2/3

Step-by-step explanation:

first combine like terms, and then simplify

emmainna [20.7K]2 years ago
5 0

Answer:

n> -\frac{8}{3}

Add similar elements  -5n-6n=-11

Add 8n to both sides

Simplify -3n<8

Multiply both sides by -1

Simplify 3n>-8

Divide both sides by 3

Simplify

<h2><em>:)Hope you enjoy this:)</em></h2>
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a_sh-v [17]
C=1500+4x where x is cds, C is cost
R=10x where R is revenue
then, P=R-C
P=10x-1500-4x
P=6x-1500
set P=0
1500=6x
x=250
check, C=1500+4*250, R=10*250
C=250, R=250
They need to sell 250 cds before they make profit
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3 years ago
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Conjectures and Postulates are accepted as true without formally proving they are true.
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The answer is false, it is only true for postulates, not conjectures.
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2 years ago
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find the work done by a person pushing a 40 pound box up an incline that is 30 degrees above the horizontal and 100 feet long (i
tankabanditka [31]

The work done in pushing the box is 64000 lb-ft²/s²

<h3>How to calculate the work done by the person?</h3>

Since person pushing a 40 pound box up an incline that is 30 degrees above the horizontal and 100 feet long, the work done, W is

W = mgh where

  • m = mass of box = 40 lb,
  • g = acceleration due to gravity = 32 ft/s² and
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  • Ф = angle of incline = 30°

So, W = mgh

W = mgLsinФ

So, substituting the values of the variables into the equation, we have

W = mgLsinФ

W = 40 lb × 32 ft/s² × 100 ftsin30°

W = 1280 lb-ft/s² × 100 ft × 0.5

W = 1280 lb-ft/s² × 50 ft

W = 64000 lb-ft²/s²

So, the work done in pushing the box is 64000 lb-ft²/s²

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3 0
1 year ago
Alex scored 70% in a spelling test with 20 quetions
amm1812

Answer:

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Step-by-step explanation:

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20 * 0.7 = x

<u>Step 2:  Multiply</u>

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5 0
3 years ago
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In a sample of 77 children , the mean age as at which they first began to combine words was 16.51 months
astraxan [27]

Answer:

Mean age = 1271.27

Step-by-step explanation:

No of children = 77

The age at which children first began to combine words = 16.51 months

Mean age = No of children × age at which children first began to combine words

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Mean age = 1271.27

7 0
3 years ago
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