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Nesterboy [21]
2 years ago
8

What does Csc²x equal to? A- 1 B- 1 + sec²x C- 1 / sin²x D- 1-cos x

Mathematics
1 answer:
Lorico [155]2 years ago
4 0

Answer:

C - 1 / sin^2x

Step-by-step explanation:

as csc x = 1 / sin x

so, csc^2 x = 1 / sin^ 2x

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A teacher is evaluating how students in her first class did on an assessment versus her last class. The box plots show the resul
MrMuchimi

Answer:

The time a student learns mathematics is important for their score

Step-by-step explanation:

Observe the boxes diagrams. Where the horizontal axis represents the score obtained by the students in the test.

The vertical lines that divide the boxes in two represent the value of the median.

The median is the value that divides 50% of the data.

For the class of the morning the value of the median is 50 points, with a maximum value of 80 and a minimum value of 10.

For the afternoon class, the median value is 65 points with a minimum value of 30 and a maximum value of 100.

This indicates that in general, the highest number of high scores were obtained in the afternoon class.

Therefore it can be said that the time a student learns mathematics is important for their  score

4 0
3 years ago
Read 2 more answers
Please Help!!!!!! You have twice as many nickels as pennies. you have $1.10. how many of each coin do you have? Solve each probl
astraxan [27]
There are 20 nickels and 10 pennies.

20 cents x 5 is $1.00 and 10 cents x 1 is 10 cents so it is $1.10 because a nickel is 5 cents so 20x5 is a dollar and a penny is worth 1 cent and 10 pennies is 10 cents so $1.00+$0.10=$1.10 brainliest is appreciated! :)
4 0
3 years ago
Which ordered pair is a reflection of (3, 7) across the y-axis?
worty [1.4K]

Answer:

(-3, 7)

Step-by-step explanation:

It is like putting a mirror on the y-axis. It is asking what point is the photo negative of the point, like a mirror. You see yourself in the mirror but everything is opposite. Your right hand is your left. So which point is the photo negative of (3, 7)? (-3, 7) Because it is only across the y-axis, the y value stays the same.

3 0
2 years ago
I need help for both!!!!!!!!!!!!!!!!!!​
horrorfan [7]
It doesnt show uppppppp
4 0
2 years ago
Y/−7 = 1 /4 what does y =
Studentka2010 [4]

Answer:

y = - \frac{7}{4}

Step-by-step explanation:

\frac{y}{-7} = \frac{1}{4} ( cross- multiply )

4y = - 7 ( divide both sides by 4 )

y = - \frac{7}{4}

4 0
2 years ago
Read 2 more answers
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