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lidiya [134]
3 years ago
12

(1 point) Solve the following equations in the interval [0,2π]. Note: Give the answer as a multiple of π. Do not use decimal num

bers. The answer should be a fraction or an integer. Note that π is already included in the answer so you just have to enter the appropriate multiple. E.g. if the answer is π/2 you should enter 1/2. If there is more than one answer enter them separated by commas.
Mathematics
1 answer:
kumpel [21]3 years ago
7 0

Answer:

18/9=1/2

Step-by-step explanation:

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B

Step-by-step explanation:

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3 years ago
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I ready scientific notation help
Airida [17]

The required value is 2\times10^9

Step-by-step explanation:

Weight of ants = 4\times10^{-3}

Weight of elephant= 8\times10^6

We need to find, the total weight of about how many ants equals to the weight of an oversized elephant.

The equation given is:

4\times10^{-3} \times a = 8\times10^6

We need to find a:

Solving:

4\times10^{-3} \times a = 8\times10^6\\a=\frac{8\times10^6}{4\times10^{-3}}\\if \,\,10^a/10^-b \,\,then\,\, 10^{a+b}\\a=2\times10^{6+3} \\a=2\times10^9

So, the required value is 2\times10^9

Keywords: Scientific Notation

Learn more about Scientific Notation at:

  • brainly.com/question/11984920
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4 0
2 years ago
What is the area of the front AND back faces? *
frosja888 [35]

Answer:

Step-by-step explanation:

A=5(8)+5(8)

A=40+40

A=80in^2

8 0
2 years ago
Find the slope and y-intercept of the line that is
Vlad [161]

Remark

Perpendicular slopes are found by using the formula m1*m2 = - 1. That is followed by using the given point to determine the y intercept.

Solution

<em><u>Step One</u></em>

Find the slope of the new line

m1 = - 1/3

m2 = ??

m1 * m2 = - 1

(-1/3) * m2 = - 1

You could continue by changing (-1/3) to a decimal.

(-0.3333333333) * m2 = -1    Now divide by the decimal

m2 = - 1/ (-0.3333333333)

m2 = 3 which is what my calculator tells me the answer is.

<u>Step Two</u>

So far what you have is

y = 3x + b

Use the point (-3, -7) to get the y intercept.

-7 = 3(-3) + b

b - 9 = - 7

b = -7 + 9

b = 2

y = 3x + 2 Answer

Graph

The graph shown below is both lines plotted in desmos. The red line is y = 3x + 2 which is perpendicular to the given graph y = (-1/3)x +5 which is in blue.

The green dot is the point (-3 , - 7)


3 0
3 years ago
Given cscx/cotx=sqrt2, find a numerical value of one trigonometric function of x.
Firlakuza [10]

   \frac{csc (x)}{cot (x)} = \sqrt{2}

⇒ \frac{csc (x)}{1} * \frac{1}{cot (x)} = \sqrt{2}

⇒ \frac{1}{sin (x)} * \frac{sin(x)}{cos (x)} = \sqrt{2}

⇒\frac{1}{cos (x)} = \sqrt{2} ; sin(x) ≠ 0, cos(x) ≠ 0

⇒ \frac{cos (x)}{1} = \frac{1}{\sqrt{2}}; sin(x) ≠ 0, cos(x) ≠ 0

⇒ cos (x) = \frac{\sqrt{2}}{2}

Use the Unit Circle to determine when cos (x) = \frac{\sqrt{2}}{2}

Answer: 45° and 315°  (\frac{\pi}{4} and \frac{7\pi }{4} )


8 0
3 years ago
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