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Natasha_Volkova [10]
2 years ago
15

Name the quadrant in which cotθ and cosθ are negative.

Mathematics
2 answers:
diamong [38]2 years ago
8 0
Recall "All Silver Tea Cups"
or All Sin Tan Cos

Quadrant 1 : All trigonometric ratios are positive.
Q2: only sin (and cosec)
Q3 : only Tan (and cot)
Q4 : only Cos (and cosec)

So, cot theta will be negative in Quadrant 2,4
and cos theta will be negative in Quadrant 2,3

In Quadrant 2, both will be negative!
AleksandrR [38]2 years ago
8 0

Answer:2

Step-by-step explanation:

32(2)-16(2)^2

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- 3x and 4 find the perimeter
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Help me out !?!??!?!l
Vlada [557]

Answer:67 is correct D

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4 0
2 years ago
Find the volume of the cone.
Ne4ueva [31]

Answer:

3142.86 cubic cm

Step-by-step explanation:

volume of cone is given by formula

volume of cone = 1/3(area of base*height)

Given radius of base = 10cm

we know area of circle is given by \pi  r^2 where r is radius of circle

thus area of base of cone is calculated below

\pi 10^2\\=> 22/7 *100\\=> 314.2857

area of base of cone is 314.2857 square cm

height = 30 cm

Thus volume of cone  = 1/3* (area of base*height)

                                   = 1/3(314.2857*30)

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Thus, volume of cone is 3142.857 cubic cm.

volume of cone  to the nearest hundredth is 3142.86 cubic cm

6 0
2 years ago
(d) Mrs. Ferguson has a conversation on the phone with her best friend Judy, who stayed at the same hotel last year. They compar
faltersainse [42]
Rooms are 3 dimentional
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if dimentions are the same, that means that the legnth, width, height are same, so therefor they have same area (Judy is correct)

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Judy is correct and Mrs. Ferguson is wrong


8 0
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g Which of the following is true about a p-value? Group of answer choices It measures the probability that the null hypothesis i
scZoUnD [109]

Answer:

It measures the probability of observing your test statistic, assuming the null hypothesis is true.

Step-by-step explanation:

The p-value, also known as the probability value <u>measures the probability of observing your test statistic, assuming the null hypothesis is true.</u>

A low p-value means a higher chance of the null hypothesis to be true.

It lies between 0 and 1. A small p-value indicates fewer chances of the null hypothesis to be true.

5 0
3 years ago
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