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brilliants [131]
2 years ago
11

What is the answer for this 3x+4x+5x+...+43x

Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
7 0

Answer:

1032x

Step-by-step explanation:

3x+4x+\cdots+43x=x(3+4+\cdots+45) \\ \\ =43x\left(\frac{45+3}{2} \right) \\ \\ =43(24x) \\ \\ =1032x

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The average brain is about 2% of a persons total body weight which fraction is equivalent to 2%
Tcecarenko [31]

\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}\qquad \stackrel{\textit{2\% of anything}}{\left( \cfrac{2}{100} \right)anything}\implies \left( \cfrac{1}{50} \right)anything\implies(0.02)anything


in short, we can change any percent formatted number to a decimal or fraction formatted one by simply dividing it by 100.

3 0
3 years ago
I used 1/3 of a bottle of wax to wax 3/4 of a car. How many cars can I wax with one bottle? Please helppp
blsea [12.9K]

Answer:

2.25 cars are waxed with one bottle

Step-by-step explanation:

1/3 * 3 = 1

3/4 * 3 = 9/4

9/4 = 2.25

4 0
3 years ago
Read 2 more answers
22 is 22% of? <br><br> How do I find the answer?
const2013 [10]

Answer:

4.84

Step-by-step explanation:

Do 100 divided by 22% that's gonna give you 0.002 so then you drop the two zeros after the decimal and you gonna have 0.22 then do 0.22 times 22 and you gonna get your answer 4.84.

7 0
3 years ago
Given the expression: 5x^10-80x^2 Part A: Rewrite the expression by factoring out the greatest common factor
Jlenok [28]

Answer:

A) 5x²(x^(8) - 16)

B) 5x²[(x⁴ + √16) • (x² + ∜16) • (x + (8√16) • (x - (8√16))]

Step-by-step explanation:

We are given the expression;

5x^(10) - 80x²

A) Since the expression is, 5x^(10) - 80x², the greatest common factor is 5x². So we will factorize that out.

So, we have;

5x²(x^(8) - 16)

B) The complete factorization of 5x²(x^(8) - 16) will be;

5x²[(x⁴ + √16) • (x⁴ - √16)]

Now, (x⁴ - √16)] can be broken than further into;

(x² + ∜16) • (x² - ∜16)

Also, (x² - ∜16) can be broken down into;

[(x + (8√16) • (x - (8√16))

So, our complete factorization gives us;

5x²[(x⁴ + √16) • (x² + ∜16) • (x + (8√16) • (x - (8√16))]

5 0
3 years ago
in the previous problem , ken predicted a drop in temperature . Explain why a drop in temperature would lead to adding a negativ
Rufina [12.5K]

Answer:

ejdencrejnoqnf3enrn3nf god is greatttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt

Step-by-step explanation:

4 0
3 years ago
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