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2 years ago

Please help me I will crown

Mathematics

2 answers:

GenaCL600 [577]2 years ago

6 0

B i believe, tell me if i get that wrong or not lol

-Dominant- [34]2 years ago

3 0

Answer:

B or D would be the best options for this question

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What is the area to my question

Alex787 [66]

Answer:

Step-by-step explanation:

Find the area of the triangle and subtract that from the area of the rectangle to get your answer.

32-[(4*2)/2]

32-4

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2 years ago

Carmelo farms a tract of land that typically yields 64.9 kilograms of corn. A fertilizer manufacturer claims that its fertilizer

muminat

Answer: 107.09 kilograms

Step-by-step explanation:

64.9 + 65% of 64.9

64.9 + (0.65 * 64.9)

64.9 + 42.19

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2 years ago

The formula V=Bh, where B represents the area of the base, can be used to find the volume of a cylinder. Which formula is equiva

Karo-lina-s [1.5K]

Answer:

Explanation:

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3 years ago

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What does 2 plus 2 add up too?

kvasek [131]

2+2 is 4. You learned this in 1st grade

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3 years ago

Read 2 more answers

4 cos²x – 1=0<br><br> What is the solution?

andreev551 [17]

Answer:

$x=\frac{\pi }{3}+2\pi n, n\in \mathbb{Z}$

$\:x=\frac{5\pi }{3}+2\pi n, n \in \mathbb{Z}$

$x=\frac{2\pi }{3}+2\pi n, n\in \mathbb{Z}$

$\:x=\frac{4\pi }{3}+2\pi n, n \in \mathbb{Z}$

$x=\frac{\pi}{3}+\pi n, n \in \mathbb{Z}$

$x=\frac{2\pi }{3}+\pi n, n\in \mathbb{Z}$

Step-by-step explanation:

$4\text{cos}^2(x)-1=0\\4\text{cos}^2(x)=1\\$

$cos(x)=\pm\sqrt{\frac{1}{4} }$

$cos(x)=\pm\frac{1}{2}$

So, when cos(x) is equal to

$\frac{1}{2} \text{ and } -\frac{1}{2}$ ?

For

$cos(x)=\frac{1}{2}$

We are talking about x = 60º and x = 300º, Quadrant I and IV, respectively. In radians:

$x=\frac{\pi }{3}+2\pi n, n\in \mathbb{Z}$

$\:x=\frac{5\pi }{3}+2\pi n, n \in \mathbb{Z}$

$x=\frac{\pi}{3}+\pi n, n \in \mathbb{Z}$

For

$cos(x)=-\frac{1}{2}$

We are talking about x = 120º and x = 240º, Quadrant II and III, respectively. In radians:

$x=\frac{2\pi }{3}+2\pi n, n\in \mathbb{Z}$

$\:x=\frac{4\pi }{3}+2\pi n, n \in \mathbb{Z}$

$x=\frac{2\pi }{3}+\pi n, n\in \mathbb{Z}$

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3 years ago