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3 years ago

Please help meeeeeeeee

Mathematics

2 answers:

Drupady [299]3 years ago

7 0

Since the diameter is twice the radius, the diameter is 44.

2*22=44

:) I hope this helps!

Darina [25.2K]3 years ago

4 0

2 x 22 = 44 Thad ur answer

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Write a recursive formula for the sequence 1, 5, 9, 13

11Alexandr11 [23.1K]

Answer:

$\bold{a(n) \ = \ a(n \ + \ 1) \ + \ 4}$

Explanation:

Sequence: 1, 5, 9, 13

Add(ing) 4 every time

$\bold{a(1) \ = \ 1}$

$\bold{\bold{a(n) \ = \ a(n \ + \ 1) \ + \ 4}}$

5 0

3 years ago

This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive an

Lapatulllka [165]

Answer:

Step-by-step explanation:

Given that there is a function of x,

$f(x) = 2sin x + 2cos x,0\leq x\leq 2\pi$

Let us find first and second derivative for f(x)

$f'(x) = 2cosx -2sinx\\f"(x) = -2sinx-2cosx$

When f'(x) =0 we have tanx = 1 and hence

a) f'(x) >0 for I and III quadrant

Hence increasing in $(0, \pi/2) U(\pi,3\pi/2)\\$

and decreasing in $(\pi/2, \pi)U(3\pi/2,2\pi)$

$x=\frac{\pi}{4}, \frac{3\pi}{4}$

$f"(\pi/4)$

Hence f has a maxima at x = pi/4 and minima at x = 3pi/4

b) Maximum value = $2sin \pi/4+2cos \pi/4 =2\sqrt{2}$

Minimum value = $2sin 3\pi/4+2cos 3\pi/4 =-2\sqrt{2}$

f"(x) =0 gives tanx =-1

$x= 3\pi/4, 7\pi/4$

are points of inflection.

concave up in (3pi/4,7pi/4)

and concave down in (0,3pi/4)U(7pi/4,2pi)

3 0

3 years ago

Paul and five friends each sold the same number of tickets. They sold 54 tickets altogether. How many tickets did each person se

zloy xaker [14]

Answer:

Step-by-step explanation:

It's 54÷6 which equals 8

6 0

2 years ago

Proportional relationship between 4y and 2x??

TiliK225 [7]

Answer:

This is proportional since rearranging it would get x/y = 2, which is an example of direct proportionality.

Step-by-step explanation:

5 0

2 years ago

PLEASE HELP I WILL MARK BEAINLIST

Vlada [557]

Answer:

5981.25 m²

Step-by-step explanation:

1. Divide the court into two sections. One section being the semicircle, the other being the rectangle.

2. Multiply 100 by 50 to get the area of the rectangle, which is 5000.

3. Divide 50 by 2 to get the radius of the semicircle, which is 25.

4. Find the formula used for area of a semicircle A = $\frac{1}{2}$ $\pi$ r²

5. Insert 25 into where the "r" is in the equation: A = $\frac{1}{2}$ $\pi$ (25²), resulting in about 981.25. (I replaced $\pi$ with 3.14)

6. Add the area of the rectangle with the area of the semicircle, 5000 + 981.25 = 5981.25.

7. The final answer is 5981.25 m².

6 0

3 years ago