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mamaluj [8]
4 years ago
9

Apply root test to the series.

Mathematics
1 answer:
Angelina_Jolie [31]4 years ago
8 0
\displaystyle\lim_{n\to\infty}\sqrt[n]{\left|\left(\frac{5n+15}{2n-1}\right)^n\right|}=\lim_{n\to\infty}\frac{5n+15}{2n-1}=\dfrac52

Since this limit exceeds 1, the series diverges.
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There are 40 players on Bill's football team, 2/5 of the players walk to practice and 1/4 of the players ride with their parents
jeyben [28]

Answer:

22 students.

Step-by-step explanation:

There are a total of 40 players on the football team. 2/5 walk, 1/4 ride with their parents, and the rest ride the bus. To solve, I'm going to be using fractions to find out how many students ride the bus.

1/4 of 40 or 40/4 is equal to 10.

So we know 10 players ride with their parents.

2/5 of 40 or 40/5 is equal to 8.

Cool, 8 students walk to practice.

Now the rest ride the bus. Let's use addition to find the total amount of players that dont use the bus and subtract it from the total amount of players.

10+8=18

40-18=22.

22 students/players ride the bus to football practice.

5 0
3 years ago
a circle has a radius of 9. An arc in this circle has a central angle of 120°. What is the length of the arc?
cluponka [151]

Answer:

6pi or about 18.8 units

Step-by-step explanation:

See attached file

7 0
4 years ago
Four times a number is at least 2
IrinaK [193]
Four times a number (4 times x since x represents unknown) is at least (<) two (2)

4x>2
divide both sides by 2
2x>1
4 0
3 years ago
Prove that the left side is equal to the right side. <br><br> Cos x / 1-sin^2x = sec x
Arlecino [84]

the equations are equal

8 0
3 years ago
Given A = ½ (b₁ + b₂)h<br><br> Solve for h
mihalych1998 [28]

Answer:

h = (2 A)/(b_1 + b_2)

Step-by-step explanation:

Solve for h:

A = 1/2 h (b_1 + b_2)

A = 1/2 h (b_1 + b_2) is equivalent to 1/2 h (b_1 + b_2) = A:

1/2 h (b_1 + b_2) = A

Divide both sides by 1/2 (b_1 + b_2):

Answer:  h = (2 A)/(b_1 + b_2)

8 0
3 years ago
Read 2 more answers
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