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3 years ago

Simplify the expression

Mathematics

2 answers:

ycow [4]3 years ago

7 0

Answer:

4k(2k² - 5k - 4) + 5(2k² - 5k - 4)

8k³ - 20k² - 16k + 10k² -25k - 20

8k³ - 10k² - 41k - 20

Thus its G

-BARSIC- [3]3 years ago

6 0

So the right answer is of option G.

Look at the attached picture

Hope it will help you...

Good luck on your assignment

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Your English teacher has given you a list of 10 possible topics for essays. You need to pick four topics from the list to write

-Dominant- [34]

10-12 i think, because 10*4=40 and 12*4=48

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3 years ago

What is f(g(x)) if f(x)= 4x²+3x-4 and g(x)=2x

S_A_V [24]

Answer:

f(g(x))=16x^2+6x-4

Step-by-step explanation:

f(g(x))=4(2x)^2 +3(2x)-4

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3 years ago

Evaluate the expression (-4)^2+12x2

Elza [17]

Answer:

Step-by-step explanation:

step 1: (-4)^2=16

step2: 12X2=24

step3: 16+24+40

Ps: when you do a math that involves both addition and multiplication,

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4 years ago

6. David gets 65 chocolates an hour for cleaning. He gets a 15% raise. He

Sonja [21]

Answer:

Before raise: 65 chocolates/hour*60=3900 chocolates

Raise=65 * (15%=15/100=.15) .15=9.75 more chocolates per hour

With raise 74.75 chocolates/hour*60=4485 chocolates

4485-3900=585 more chocolates per 60 hour week

Step-by-step explanation:

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2 years ago

What is the measure of b if a=20 and c=29. using the pythagorean theorem

kicyunya [14]

Since a^2+b^2=c^2 becomes 20^2+b^2=29^2, we solve for b:

400+b^2=841

b^2=441

b=21

So the length of b is 21 units.

Hope this helped!

5 0

3 years ago

Read 2 more answers

Simplify the expression​

Simplify the expression