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3 years ago

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Garret is in the middle of a 20 -minute bike ride. It takes 4 minutes for him to go a kilometer, so he'll end up going 5 kilomet

ers. Suppose k is the number of kilometers Garret has already biked.

1 answer:

sdas [7]3 years ago

5 0

A x 20 - mintues, 4, a km, 5km, km?

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Help please; I need the right answer

Ad libitum [116K]

Answer:

C.

Step-by-step explanation:

$\cos x+\sqrt{2}=-\cos x \\ 2\cos x = -\sqrt 2 \\ \cos x = -\dfrac{\sqrt 2}{2}\\ \\ \Rightarrow x = \pm \arccos\Big(-\dfrac{\sqrt 2}{2}\Big)+2k\pi,\quad x\in \mathbb{Z}\\ \Rightarrow x =\pm\dfrac{3\pi}{4}+2k\pi\\ \\ \\k = -1 \Rightarrow x < 0\\\\ k=0 \Rightarrow x 2\pi$

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3 years ago

Read 2 more answers

A basketball is shaped like a sphere as shown in the diagram. The basketball has a radius of 4.7 inches.

VMariaS [17]

Answer:

434.9

Step-by-step explanation:

The circumference is 29.53.

Hope that this helps!

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2 years ago

Kremena's bank account earns 4.5% simple interest per year. How much must she deposit in the account today if she wants it to be

oksian1 [2.3K]

Answer:

1095$ should be invested today .

Step-by-step explanation:

The formula of present value will be applied here :

Present Value= Future Value/(1+ interest rate)^Years

Present Value = 1250/(1.045)^3

6 0

2 years ago

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Find the area of this circle please…Use 3 for pi

ZanzabumX [31]

Given:

The radius of circle is 11 inch

The value for pi is 3

The objective is to find the area of the circle.

The area of the circle is given by the formula:

$A=\pi\times r^2^{}$

Substituting ,r = 11

$\pi=3$

We get:

$\begin{gathered} A=\pi\times r^2 \\ =3\times(11)^2 \\ =3\times121 \\ =363 \end{gathered}$

Hence, the area of the circle is 363 square inches

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1 year ago

Which expression is equivalent to x + 0.2x<br><br>1.2x<br>0.2x squared <br>0.2x <br>1.02x

Aleks04 [339]

The answer to this expression would be 1.2x

4 0

2 years ago