3 years ago

Find the missing side length.

Mathematics

1 answer:

grandymaker [24]3 years ago

8 0

What are the other two sides?

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Which trig functions are positive for angles terminating in quadrant IV

beks73 [17]

Cosine functions are positive in quadrant 4

Here is a helpful mnemonic All Students Take Calculus (might be helpful in the future)

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2 years ago

Solve by substitution<br> -4x+y=6<br> -5x-y=21

inn [45]

Answer:

x=-3, y=-6. (-3, -6).

Step-by-step explanation:

-4x+y=6

-5x-y=21

--------------

-9x=27

x=27/-9

x=-3

-5(-3)-y=21

15-y=21

y=15-21

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2 years ago

Simplify (3n – 2m)2 = ?

Bumek [7]

If you mean (3n-2m)^2 then the answer is
9n^2-12mn+4m^2
So B

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2 years ago

Please need help with this one

Sergio039 [100]

Answer:

$7 \times 1 > \frac{5}{9} simplify \\$

if you don't its still right though

Step-by-step explanation:

only if you don't simplyfy if you do then just subtract and you will get a another answer which both are right

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2 years ago

Read 2 more answers

In a concert band, the probability that a member is in the brass section is 0.50. The probability that a member plays trombone,

kirill [66]

Answer:

B. 0.12

Step-by-step explanation:

To obtain this probability, you need to multiply the two probabilities.. since it's comprised of two events: one that he's in the brass section, one that he plays trombone. The probably of him playing trombone only happens if he's in the brass section.

So, you have the possibility he's in the brass section: 0.50

The possibility he's playing trombone, if he's in the brass section: 0.24

P = 0.5 * 0.24 = 0.12

4 0

2 years ago