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Ierofanga [76]
3 years ago
12

I need help with this!!! Thank you

Mathematics
1 answer:
ruslelena [56]3 years ago
6 0

Answer:

4n^3-n^2-5n

Step-by-step explanation:

n(2n+4n2−5−3n)

=(n)(2n+4n2+−5+−3n)

=(n)(2n)+(n)(4n2)+(n)(−5)+(n)(−3n)

=2n2+4n3−5n−3n2

=4n3−n2−5n



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Triangle ABC has perimeter 22 cm.
Vilka [71]

Answer: yes it is a right angle triangle

Step-by-step explanation:

a^2 + b^2 = c^2

8^2+ 5^2 = ?

64 + 25 = square root of 89

square root of 89 = 9.4

when we round 9.4 it is 9

so

22- (8+5) =

22 - 13 = 9

so our answer is correct

7 0
3 years ago
Read 2 more answers
31<9 and --3X = 4X = 15X = 12X = 11x = 18
JulsSmile [24]

Given:

\frac{3x}{4}

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Explanation:

\begin{gathered} \frac{3x}{4}

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5 0
1 year ago
5/8<br> of a sum of money is $240. What is the value of the sum of money?
Reika [66]

Answer:

The total amount is 384

Step-by-step explanation:

Let m = the amount of money

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5/8 * m = 240

Multiply each side by 8/5

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m =384

The total amount is 384

4 0
3 years ago
PLEASE HELP! 15 POINTS!
Aleonysh [2.5K]

Step-by-step explanation:

x y

−3 0

−1 −2

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6 −9 is a nonlinear

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Hope this will help

6 0
3 years ago
Victor went for 1 run lats week . it was 3.5 km long . terrell went for 3 runs last week . each run was 1,250m long . wich perso
valina [46]
1 km = 1,000m
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Terrel ran a greater total distance


7 0
3 years ago
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