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borishaifa [10]
2 years ago
14

I really need help plz

Mathematics
1 answer:
balu736 [363]2 years ago
7 0

Answer:

B

Step-by-step explanation:

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Solve in attachment....​
olga2289 [7]

Answer:

A)2

Step-by-step explanation:

we would like to integrate the following definite Integral:

\displaystyle  \int_{0} ^{1} 5x \sqrt{x} dx

use constant integration rule which yields:

\displaystyle  5\int_{0} ^{1} x \sqrt{x} dx

notice that we can rewrite √x using Law of exponent therefore we obtain:

\displaystyle  5\int_{0} ^{1} x \cdot  {x}^{1/2} dx

once again use law of exponent which yields:

\displaystyle  5\int_{0} ^{1}  {x}^{ \frac{3}{2} } dx

use exponent integration rule which yields;

\displaystyle  5 \left( \frac{{x}^{ \frac{3}{2}  + 1  } }{ \frac{3}{2}  + 1} \right)  \bigg|  _{0} ^{1}

simplify which yields:

\displaystyle  2 {x}^{2}  \sqrt{x}   \bigg|  _{0} ^{1}

recall fundamental theorem:

\displaystyle  2 (  {1}^{2}) (\sqrt{1}  ) - 2( {0}^{2} )( \sqrt{0)}

simplify:

\displaystyle  2

hence

our answer is A

8 0
2 years ago
Read 2 more answers
1/4 divided by 2 ? Answer. ?
Gnesinka [82]

Answer:

0.125 or 1/8

Step-by-step explanation:

1/4/2

8 0
2 years ago
Jessica spent 2/5 of her money going to the movies. Then she babysat her brother and earned fifteen more dollars. If she ended u
MakcuM [25]

Answer:

hshdnndn

Step-by-step explanation:

hshsbsbbssisisjjs

6 0
3 years ago
Pamela drove her car 99 kilometers and used 9 liters of fuel. She wants to know how many kilometers (k)left parenthesis, k, righ
EastWind [94]

Answer:

132 kilo meters

Step-by-step explanation:

Pro por tions:

9 lite rs ⇒ 99 km

12 lite rs  ⇒  P km

P = 99*12/9

P = 132 km

8 0
3 years ago
The population of a town is growing at a rate of 2.1% per year. Given a starting population of 40,000 people, when will the popu
swat32

Answer:

48 years

Step-by-step explanation:

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3 years ago
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