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igor_vitrenko [27]
3 years ago
14

Choose the best answer: -tan x- cot x=

Mathematics
2 answers:
Nikolay [14]3 years ago
8 0

Answer:

-sec x csc x

Step-by-step explanation:

-tan x- cot x= -((sin x/cos x) + cos x/ sin x))

                   = - ((sin² x + cos² x) / sin x cos x)

                   = - ( 1 / sin x cos x)

                   = - sec x csc x

Pie3 years ago
4 0

Answer:

<em>hope it helps you see the attachment for further information.... </em>

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Hey i need some help
velikii [3]

Answer:

perimeter = 30 ft

Step-by-step explanation:

13 + 5 + 12 = perimeter = 30 ft

7 0
3 years ago
A is what percent of b a= 2 ft b= 1 yd
dsp73

Answer:

66\frac{2}{3}\%

Step-by-step explanation:

Remember that

1\ yd=3\ ft

we have

a=2\ ft\\b=1\ yd=1(3)=3\ ft

In this problem

b represent the 100%

so

using proportion

Find out what percent of b represent a

Let

x -----> the percentage of b

\frac{3}{100}=\frac{2}{x}\\\\x=100(2)/3\\\\x=\frac{200}{3}\%

Convert to mixed number

\frac{200}{3}\%=\frac{198}{3}+\frac{2}{3}=66\frac{2}{3}\%

3 0
3 years ago
The institute of medicine determined that a man should drink 3 liters of fluids and a woman should drink 2.2 liters. Mr.Morrison
Kipish [7]
According to the question,

Man needs to drink = 3 liters of water a day = 3000 ml

Women needs to drink = 2.2 liters of water a day = 2200 ml

Mr. Morrison drank = 880 ml
Mrs. Morrison drank = 700 ml

Total water needed to be drink by both men and women = 3000+2200 = 5200 ml

Total water drank by Mr. and Mrs. Morrison = 880+700 = 1580 ml

Water they both need to drink combined to meet the recommended amounts for the day = 5200 - 1580 = 3620ml
= 3.62 liters

Hope this helps!
8 0
4 years ago
HELP ITS MAKING ME DO ANOTHER ONE
Anna007 [38]

Answer:

Since we know that each of the three triplets are the same age we can put next to n, 3.

And given that another child is 14 years old we can put that next to the "+" sign.

In total, it would equal 32, so put the 32 after the equal sign.

It should look like this:

3n + 14 = 32

But now they want us to solve for the triplet's ages, so we just solve for n;

3n + 14 = 32

-14          -14

3n = 18

/3     /3

n = 6, the triplet's ages are 6 years old each.

4 0
3 years ago
Define a function print_total_inches, with parameters num_feet and num_inches, that prints the total number of inches. note: the
Leona [35]

Answer:

2

I am taking my first programming course, so my apologies if this is a dumb question/possibly classified by the wrong category on this site. One of the exercise problems I am working on is the following:

Define a function print_total_inches, with parameters num_feet and num_inches, that prints the total number of inches. Note: There are 12 inches in a foot. Ex:

print_total_inches(5, 8) prints:

Total inches: 68

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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