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sineoko [7]
3 years ago
14

Choose the correct pair of expressions to complete the solution of Sine (x + StartFraction 3 pi Over 2 EndFraction) = negative S

tartFraction StartRoot 3 EndRoot Over 2 EndFraction, left-bracket 0, 2 pi right-bracket : blank times 0 + cosine x times blank minus StartFraction StartRoot 3 EndRoot Over 2 EndFraction:
cos x, 0
–sin x, –1
sin x, –1
–cos x, 0
Mathematics
2 answers:
levacccp [35]3 years ago
5 0

Answer:

C, sin(x), -1

Step-by-step explanation:

right on Edge

split up the equation using the sine sum equation

MAVERICK [17]3 years ago
4 0

Answer:

c

Step-by-step explanation:

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For a hypothesis test of H0:p1 − p2 = 0 against the alternative Ha:p1 − p2 ≠ 0, the test statistic is found to be 2.2. Which of
RoseWind [281]
What do you think it is? I will eliminate the last option "inconclusive" because from what I know of statistics, we have enough data to determine where this result is significant at. We must convert this Test Statistic into a P-Value and if the P-Value is greater than 0.01 (alpha), we say it is "significant at 0.01" and if it's also greater at 0.05 (alpha), we say it is "significant at 0.05 and 0.01" I believe. I verified as much as I could with research. We are finding "does not equal" so it is a two-proportions test" meaning that the test statistic probability must be greater than two times the z-table probability value. When z = 1.8, P(z ≠ 1.8) is 0.0359. Multiply this by two as I believe, then this p-value will be 0.0718, which leads me to believe the answer is the First Option that it is significant at 0.01 & 0.05. I ask you to submit this answer and let me know if I was correct in believing so as I would like to know if I was correct myself. Hope I helped.
6 0
3 years ago
A typical acoustic guitar has a range of three octaves. When the guitar is tuned to "concert pitch," the range of frequencies fo
AfilCa [17]
Given a variable, x, the compound ineaquality representing the range from a to b inclusive of the variable is given by

a\leqx\leqb
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</span>
Where the range of the frequencies is between 82.4 Hertz and 659.2 Hertz inclusive.

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6 0
4 years ago
Simplify: 6 - 4[3(2x + 5) - 4x]
Iteru [2.4K]

Answer:

D. -8x-54

Step-by-step explanation:

Apply the distributive property.

6-4(3(2x)+3*5-4x)

Multiply 2 by 3

6-4(6x+15-4x)

Multiply 3 by 5

6-4(6x+15-4x)

Subtract 4x from 6x

6-4(2x+15)

Apply the distributive property.

6-4(2x)-4*15

Multiply 2 by -4

6-8x-4*15

Mutliply -4 by 15 6-8x-60

Subtract 60 from 6

7 0
3 years ago
Read 2 more answers
An aquarium has the dimensions of 36 inches wide, 10 inches long and 9 inches high. It was filled with 7 inches of water. How ma
k0ka [10]

Answer:

106

Step-by-step explanation:

7*10*36=106

3 0
3 years ago
A store is having a sale during which all outdoor furniture is 45% off the original price, p. If the post-sale price of an outdo
Leokris [45]

Answer:

p*0.55

Step-by-step explanation:

Step one:

given data

let the original price  be p

let the discounted sale be A

45% of the original price is given as

Step two:

A= p-0.45p

factor p out

A=p(1-0.45)

A= p*0.55

7 0
3 years ago
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