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ExtremeBDS [4]
3 years ago
15

The seventh grade haa a new music teacher Ms. Fritz. Some students have learned a great deal from her, but others think she teac

hes too quickly and they have trouble following her lectures. You conduct a census of her 50 students, asking them only a single yes/no question: “Is Ms. Fritz a good music teacher?” What information can you determine from this census?
A)
Whether or not Ms. Fritz is a good music teacher.


B)
Whether Ms. Fritz will teach music at the school next year.


C)
Why students like or dislike the way Ms. Fritz teaches music.


D)
What percentage of the students think Ms. Fritz teaches music well.
Mathematics
2 answers:
bogdanovich [222]3 years ago
8 0

Answer:

D

Step-by-step explanation:

It would be D because the numbers will reveal a percentage of whether Ms. Fritz is a good music teacher (YES/NO). It is in the question “Is Ms. Fritz a good music teacher?” as well.

Snezhnost [94]3 years ago
7 0

Answer:

D. ookkkkkuuuuurrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr'd

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8_murik_8 [283]

Answer:

The answer to your question is given below.

Step-by-step explanation:

To which of the above expression is a sum or difference of cube, or not a sum or difference of cube, we shall do the following simplification:

Note: The Cube root of a particular number is simply a multiplication of an identical number in three places.

64x³ – 216

64 has a cube root of 4 and 216 has a cube root of 6. Therefore, the above expression can be written as:

4³x³ – 6³

(4x)³ – 6³

64x³ – 216 = (4x)³ – 6³

Therefore, 64x³ – 216 can be expressed as a difference of cube.

8x^9 + 27

8 has a cube root of 2, x^9 has a cube root of x³ and 27 has a

cube root of 3. Therefore, the above expression can be written as:

2³(x³)³ + 3³

(2x³)³ + 3³

8x^9 + 27 = (2x³)³ + 3³

8x^9 + 27 can be expreessed as a sum of cube

x³ + 125

125 has a cube root of 5. Therefore, the above expression can be written as:

x³ + 5³

x³ + 125 = x³ + 5³

x³ + 125 can be expressed as a sum of cube

36x³ + 121

36 and 121 has no cube root. Therefore, the above expression is not a sum or difference of cube.

x^6 – 16

x^6 has a cube root of x² and 16 has no cube root. Therefore, the above expression is not a sum or difference of cube.

Summary:

Sum or Difference of cubes

64x³ – 216

8x^9 + 27

x³ + 125

Not a Sum or Difference of cubes

36x³ + 121

x^6 – 16

5 0
3 years ago
Write an equation of the line that passes through (18,2) and is parallel to the line 3y-x=-12 .
uysha [10]

Answer:

y = \frac{1}{3}x-4

Step-by-step explanation:

<u>Step 1:  Solve for y in the first equation</u>

3y - x = -12

3y - x + x = -12 + x

\frac{3y}{3} = \frac{x}{3} - \frac{12}{3}

y = \frac{1}{3}x - 4

<u>Step 2:  Determine the important aspects</u>

We know that our line is parallel to the other line that has a slope of 1/3 which means that our slope is also going to be 1/3.  We also know that our line crosses the point (18, 2) which means that we can use the point slope form to determine our equation

Point Slope Form → (y-y_1) = m(x - x_1)

<u>Step 3:  Plug in the information and solve</u>

(y-2) = \frac{1}{3}(x - 18)

y - 2 = \frac{1}{3}x - 6

y - 2 + 2 = \frac{1}{3}x - 6 + 2

y = \frac{1}{3}x-4

Answer: y = \frac{1}{3}x-4

7 0
2 years ago
What is the value of x?<br><br> A) 102<br><br> B) 78<br><br> C) 39<br><br> D) 51
Over [174]

Answer:

D

Step-by-step explanation:

The inscribed angle x whose vertex lies on the circle and whose sides are chords of the circle is one half the measure of the intercepted arc, thus

x = 0.5 × 102° = 51° → D

7 0
3 years ago
Which binomial is a factor of the trinomial below?
Leokris [45]
C3x-4
@3x+2


......................
5 0
3 years ago
Evaluate u + xy, for u = 18, x = 10, and y = 8.
lisov135 [29]
18 + 10(8)

98

The answer to this is 98
7 0
3 years ago
Read 2 more answers
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