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choli [55]
3 years ago
13

Rewrite with only sin x and cos x. (3 points) cos 2x + sin x

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
7 0

Answer:

I think its option 2

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Please help with number 1
Digiron [165]
The sum of the two smaller sides must be greater than longest side.

A) 3+2 > 7 ..... False

B) 6+10 > 14   ... True

C) 3+2 > 5   ....False

D) 23+18 > 42  ....False

Answer is B
8 0
3 years ago
A container contains balls numbered from 1 through 55. A ball is drawn randomly and replaced. Then a second ball is drawn random
Maru [420]

Answer:

1/3025

Step-by-step explanation:

Prob. of getting a 9 is 1/55; likewise for 41. multiply the 2 probs. together. (1/55)^2=1/3025≈0.00033057851

7 0
3 years ago
Shayla is baking muffins that require one-half cup vegetable oil. She only has one-third cup of vegetable oil left. How much mor
REY [17]
Well to make 1/3 and 1/2 equivalent fractions you need to find a common denominator. So it would be 6. 1/3 now becomes 2/6 and 1/2 becomes 3/6. So she would need 1/6 more cup of vegetable oil.
5 0
3 years ago
Use the ratio of a 30-60-90 triangle to solve for the variables. Make sure to simplify radicals. Leave your answers as radicals
Lelu [443]

Answer:

A. v = 19√3.

B. u = 38.

Step-by-step explanation:

The following data were obtained from the question:

Angle θ = 60°

Adjacent = 19

Opposite = v

Hypothenus = u

A. Determination of the value of 'v'

The value of v can be obtained by using Tan ratio as shown below:

Angle θ = 60°

Adjacent = 19

Opposite = v

Tan θ = Opposite /Adjacent

Tan 60 = v/19

Cross multiply

v = 19 × Tan 60

Tan 60 = √3

v = 19 × √3

v = 19√3

Therefore, the value of v is 19√3

B. Determination of the value of 'u'

The value of u can be obtained by using cosine ratio as shown below:

Angle θ = 60°

Adjacent = 19

Hypothenus = u

Cos θ = Adjacent /Hypothenus

Cos 60 = 19/u

Cos 60 = 1/2

1/2 = 19/u

Cross multiply

u = 2 × 19

u = 38

Therefore, the value of u is 38.

6 0
3 years ago
A student has a rectangular photograph with side lengths of 5 inches and x inches The area of the rectangle is 33 square inches.
Airida [17]

Answer:

1.32

Step-by-step explanation:

total area = 33

33/5 1/2 = 6 .         X=6

5 1/2 x 1/2 = 2.75 .       6 x 1/2 = 3

2.75 x 3 = 8.25

new area = 8.25

8.25 x .13 = 1.32

6 0
3 years ago
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