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shtirl [24]
3 years ago
6

(cosx - sinx)(secx + cscx) = cotx - tanx

Mathematics
1 answer:
jeka57 [31]3 years ago
8 0

The answer is (-∞,∞). I hope this helps, have a good day!

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Hey please help me with this
motikmotik

Answer:

Two real solutions

Step-by-step explanation:

z=-1.45

z=0.45

6 0
3 years ago
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Suppose the time to complete a 200-meter backstroke swim for female competitive swimmers is normally distributed with a mean μ =
Natali [406]
Answer: The proportion that will qualify is 0.0314 or 3.14%.

First, we need to find the z-score of a time of 128 seconds. To do this, we find the difference of the mean and score and divide by the standard deviation.

(128 - 141) / 7 = -1.86

Now, use a standard normal distribution table to determine the percent below a z-score of -1.86. That value is 0.0314 or 3.14%.
6 0
3 years ago
Determine the equation of the line for the given information: the graph has y-intercept (0,6) and contains the point (2,1)
ivanzaharov [21]

Answer:

B is the answer

Step-by-step explanation:

you are given two points (0,6) and (2,1)

the equation is y=mx+b it says that the graph has a y-intercept (0,6) from this point you take the y-value which is also ur b-value in the equation to find m you need to do y2-y1/x2-x1

6 0
3 years ago
How to find the angle measure of an isosceles triangle if you only know the side lengths?
Neko [114]
Hello Tbeck227, how to find the angle measure of an isosceles triangle if you only know the side lengths is, <span> for all the angles, though it would be unreasonable to use it for all three, since once we know two the third is easy. Lubin suggested using the Cosine Law for the first calculation and the Sine Law for the second. This is faster than Cosine Law done twice. The suggestion is to use the Cosine Law to determine the angle opposite a largest side.</span>
8 0
4 years ago
What is the 1st term when -5z^2+7z^4+11z-8z^3 is arranges in descending order
Alexandra [31]

Answer: The first term is 7z^{4}


Step-by-step explanation:

1. To rewrite the given polynomial in descending order, you must see the exponent of each variable of the terms. Then, you must arrange the terms from bigger to smaller.

2. Keeping this on mind, you have:

7z^{4}-8z^{3}-5z^{2}+11z

3. As you can see, the first term is: 7z^{4}


6 0
4 years ago
Read 2 more answers
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