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adoni [48]
4 years ago
14

How do you solve these questions?

Mathematics
1 answer:
tangare [24]4 years ago
6 0
Tan^2θ - tan<span>θ = 0
tan</span>θ ( tan<span>θ - 1) = 0
tan</span><span>θ =  0 or 1
</span>
θ =  0,180, 360 ,  45 ,  or 225    (  where  0 =< <span>θ <= 360)</span>
You might be interested in
Point A is located at (-3, 9) and point B is located at (12,-10). Find the distance from point A to point B rounded to the neare
Nezavi [6.7K]

Answer:

20

Step-by-step explanation:

\sqrt{(( - 10) - 9)^{2}  + (12 - ( - 3)) ^{2} }

\sqrt{( - 19)^{2}  + (15)^{2} }

\sqrt{361 + 225}

\sqrt{586}

24.2074

7 0
3 years ago
in a circle a 60 sector has an area of 25 pi square feet. what is the circumference? leave your answer in terms of pi and in sim
belka [17]
The area of the sector is given by the equation,
                           A = πr²(x / 360°)
where x is the number of degrees in the figure. 
                           25π ft² = (πr²)(60/360)
The value of  r is 12.25 ft. Then, we use this value to calculate for the circumference of the sector. 
                           C = 2πr(x/360)
Substituting,
                              C = 2π(12.45)(60/360)
                                   C = 12.83 ft³
7 0
4 years ago
(a)It takes 29 pounds of seed to completely plant a 4 -acre field. How many acres can be planted per pound of seed?
asambeis [7]
(a) You can plant 7 1/4 acres per pound of seed
(b) Isabel takes 7 minutes to run a mile
5 0
3 years ago
A coin is tossed 1000 times. If the probability of getting a head is 0.545, what is the probability of getting a tail?
prohojiy [21]

Answer:

0.454 duhhhhhhhhhhh

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
HELP PLEASE
Gnesinka [82]

Answer: x^2=8y


Step-by-step explanation:

Let the given parabolic mirror opens upwards and vertex=(0,0)

Focus point of the parabolic mirror is located 2 inches from the vertex of the mirror.  ∴ p=2

Since, the parabola opens upward, then the equation of the parabola is of the form x^2=4py

Substitute the value of p=2 in this, we get the equation of the parabolic mirror

x^2=4(2)y\\\Rightarrow\ x^2=8y

Hence, the equation of the parabola that models the cross section of the mirror is x^2=8y

7 0
3 years ago
Read 2 more answers
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