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Firlakuza [10]
3 years ago
11

2 things wrong with the questionnaire? And..

Mathematics
2 answers:
lbvjy [14]3 years ago
3 0
Doesn't ask what kind of cd's and what age it was aimed at
JulsSmile [24]3 years ago
3 0
Two things wrong here are
1. The questionnaire should be in the form of a table with tally marks and all that.
2. She should specify how much they spend per week, per month, per year or in how much time they spent that much money.
I hope this helped!!!
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What’s the answer to this question???????
saveliy_v [14]

Answer:

26

Step-by-step explanation:

if YZ bisects VW then VX = XW

if VX = 26 then XW = 26 also

5 0
3 years ago
For which value of theta is sin theta equals -1?
Olin [163]

Answer:

The value of Ф is 3π/2

Step-by-step explanation:

* Lets revise the angle Ф in the four quadrant

∵ r = √(x² + y²) ⇒ square the two sides

∴ x² + y² = r²

∵ r = 1

∴ x² + y² = 1

∵ cos² Ф + sin² Ф = 1

∵ x is the adjacent side to Ф and y is the opposite side to Ф

∴ x = cos Ф and y = sin Ф

- At point (1 , 0)

∵ x = 1 , y = 0

∴ cos Ф = 1 and sin Ф = 0

∵ The positive part of x-axis represents the angle 0 and 2π

∴ cos 0 and 2π are 1 and sin 0 and 2π are 0

- At point (0 , 1)

∵ x = 0 , y = 1

∴ cos Ф = 0 and sin Ф = 1

∵ The positive part of y-axis represent the angle π/2

∴ cos π/2 is 0 and sin π/2 is 1

- At point (-1 , 0)

∵ x = -1 , y = 0

∴ cos Ф = -1 and sin Ф = 0

∵ The negative part of x-axis represents the angle π

∴ cos π is -1 and sin π is 0

- At point (0 , -1)

∵ x = 0 , y = -1

∴ cos Ф = 0 and sin Ф = -1

∵ The negative part of y-axis represent the angle 3π/2

∴ cos 3π/2 is 0 and sin 3π/2 is 1

* For the value of Ф = 3π/2 is sin Ф = -1

6 0
3 years ago
Read 2 more answers
What is the value of a good credit report to a borrower? A. A good credit report allows the borrower to spend as much as they wa
Alecsey [184]
I think all of the above apply 
5 0
3 years ago
Which of these is a complex number?
Ostrovityanka [42]

Answer:

B.

Step-by-step explanation:

That would be B.

8/3 + √(-7/3) :-  because it consists of a real part ( the 8/3) and an imaginary part √(-7/3).

The √(-7/3) is usually written as √(7/3)i where i is √-1, so the complex number is 8/3 + √(7/3)i.

7 0
3 years ago
Read 2 more answers
Find all numbers whose absolute value is 8.
Zepler [3.9K]

Answer:

<h2>8 or -8</h2>

Step-by-step explanation:

The absolute value of number a:

|a| = a for a ≥ 0

|a| = -a for a < 0

|a| = 8 ⇔ a = 8 or a = -8

7 0
3 years ago
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