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Stells [14]
3 years ago
14

A b or c ? Help please

Mathematics
2 answers:
klasskru [66]3 years ago
6 0

Answer:

Center: (−3,2)

Radius: 3

Step-by-step explanation:

horsena [70]3 years ago
3 0

Answer:

The second one I think

Step-by-step explanation:

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The value 5pi/24 is a solution for the equation 4 cos^2 (4x)-3=0. True or false
Margaret [11]

Let's check.

x = 5π/24

4x = 5π/6

cos 4x = cos(5π/6) = cos 150° = -√3/2

cos² 4x = (-√3/2)^2 = 3/4

4 cos² 4x  -3  = 4 (3/4) - 3 = 0

Answer: TRUE

5 0
3 years ago
Which of the following coordinates are not correctly named based on the image?
timama [110]

Answer:

Hi, there the answer is (4,2)

Step-by-step explanation:

The reason is that 4 is the y-axis and 2 is the x-axis and

the rule is x is first then y

The correct format for writing this it is supposed to be (2,4).

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3 years ago
The moon has a surface area of approximately 14,650,000 m^2. Estimate its radius to the nearest mile
Elza [17]

\bf \textit{surface area of a sphere}\\\\ SA=4\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ A=14650000 \end{cases}\implies 14650000=4\pi r^2 \\\\\\ \cfrac{14650000}{4\pi }=r^2\implies \cfrac{3662500}{\pi }=r^2\implies \sqrt{\cfrac{3662500}{\pi }}=r\implies 1079.73\approx r

7 0
3 years ago
Find the area of the shaded region<br>No links or docs<br>lots of points and will mark BRAINLYEST ​
alexira [117]

Answer:

45 inch

Step-by-step explanation:

its just my guess don't take it serious

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3 years ago
What is 1/3 multiplied by 3.14
wolverine [178]
1/3*3.14= 1.046666666 ect.
6 0
3 years ago
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