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vladimir1956 [14]
3 years ago
8

Which of the following would be an acceptable first step in simplifying the expression:

Mathematics
1 answer:
Aleks04 [339]3 years ago
6 0
The correct answer is tanx(1-secx)/(1+secx)(1-secx)
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Someone please help me
pentagon [3]

Answer:

Option 3 or Option 4.

Step-by-step explanation:

I have this doubt because actually, a rhombus with a right angle (one) is not necessarily a square. Some rhombuses have one right angle and are still not squares. Now, if the four angles are right, it is a square, but this only says one.

On other hand, a parallelogram with congruent diagonals isn't a square necessarily either. Rectangles have congruent diagonals and are parallelograms.

In case you only can answer with one, I'll say is option 3, hope it helps!

 

8 0
2 years ago
Mr. Robinson washed 2/5 of his laundry. His son washed 1/4 of his laundry. Who washed more? How much laundry still need to be wa
Eddi Din [679]

Answer:

Mr.Robinson; 27/40 i think.

Step-by-step explanation: To begin solving you have to make both of the denominators the same by multiplying 2/5 by 4 and 1/4 by 5 giving you 8/20 and 5/20. From there i'm pretty sure you just add the two fractions to get 13/40 leaving 27/40 to be washed.


6 0
3 years ago
Doug left $3 as a tip on a lunch bill of $14.
Svetllana [295]

Answer:

a)

Step-by-step explanation:

5 0
3 years ago
PLS I HAVE 10 min TO FINISH I NEED HELP WITH MATH
Delvig [45]

Answer:

B is the answer

Step-by-step explanation:

I worked it out

8 0
3 years ago
In his history class, Han's homework scores are:
sineoko [7]
The median would find the Middle score between al of the score which would be the same thing if u were to use a more complicated solution u would still get the same answer its just easier
3 0
2 years ago
Read 2 more answers
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