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Aloiza [94]
3 years ago
5

Derivation of trigonometric identities (all 3).

Mathematics
1 answer:
skad [1K]3 years ago
6 0

Answer:

Sine, Cosine and Tangent.

Step-by-step explanation:

These are the 3 basic trigonometric identities.

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I need help on this ASAP pls 20 points
Semenov [28]

Answer:

1070cm2

Step-by-step explanation:

the cereal box represents a cuboid and it is closed hence a closed cuboid.

SA- Surface area

L- Length = 15

W- Width =4

H- Height =25

In a closed cuboid, there are going to be 6 faces( 3 pairs).

To find SA, we have to take the area of all faces and sum them up.

You can do this by carrying out the area of all faces and summing them up or you can use the formula:

SA of a closed cuboid=2(L x W) + 2(W x H)  + 2(L x H)

= 2(15 x 4) + 2(4 x 25) + 2(15 x 25)

= 2(60) + 2(100) + 2(375)

=120 + 200 + 750

=<u>1070cm2</u>

4 0
4 years ago
Choose 3 values for x that would make this inequality true x-4&lt;20​
Lyrx [107]

Answer:

5

10

15

Step-by-step explanation:

5 - 4 < 20

1 < 20 which is true

10 - 4 < 20

6 < 20 which is true

15 - 4 < 20

11 < 20 which is true

Hope it helped

8 0
3 years ago
Cody has $700 in a savings account that pays 4% simple interest what is the amount of money Cody will have in his back account a
Semenov [28]

Answer:

I₂ = 757.12$ (after two years)

Step-by-step explanation:

When the realized interest is added to the basic investment at the end of each year, we use the following formula:

I₂ = I ( 1 + (r/100))²  for two years

I₂ = 700 ( 1 + (4/100))² = 700 · 1.04² = 700 · 1.0816 = 757.12$

I₂ = 757.12$

God with you!!!

7 0
4 years ago
Find unit rate for 14 for 2.99
katrin2010 [14]

Answer: Okay so let's try to find the amount of money needed to buy 1 lb. Therefore, let's divide the fraction by 14.

Then we'll divide both the numerator and denominator by 14.

÷

Then we simplify and get:

14÷14=1     2.99÷14=.2135   We can round that to .21

The unit rate for each pound would be 1:.21

I don't know if that helped, but yeah. :)

Step-by-step explanation:

5 0
3 years ago
Evaluate 7w -14 for w = 9
ipn [44]

Answer:

49 would be the answer

Step-by-step explanation:

7x9-14

7x9 = 63

63-14 = 49

3 0
3 years ago
Read 2 more answers
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