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Free_Kalibri [48]
2 years ago
8

Refer to the following breakdown of responses to a survey of room service in a hotel: Response Frequency Not satisfied 20 Satisf

ied 40 Highly satisfied 60 What percentage of the responses indicated that customers were satisfied
Mathematics
1 answer:
shepuryov [24]2 years ago
4 0

Answer:

The answer is "33%".

Step-by-step explanation:

Total customers = 20 + 40 + 60 = 120

Satisfied customers = 40

Calculating the percent of the responses which indicated the satisfing customers = \frac{40}{120}=\frac{4}{12}=\frac{1}{3} = 0.33 = 33\%

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Which point is a solution to the system of equations?<br> y = 2x + 2<br> Y = 3x
Kay [80]

Answer:

(2,6)

Step-by-step explanation:

y = 2x + 2

Y = 3x

2x+2=3x

2x-3x+2=0

-x+2=0

-x=-2

x=2

y=3(2)=6

                           

7 0
2 years ago
(2x+3)²=5.find the roots of the equation ​
bija089 [108]

Answer:

-2.61803398875, -0.38196601125

or

(-3±√5)/2

Step-by-step explanation:

First, expand. (2x+3)² = 4x²+12x+9=5

4x²+12x+4 = 0

Quadratic equations take the form ax²+bx+c = 0

In this case,

a = 4

b = 12

c = 4

You can solve with the equation x=(-b±√b²-4ac)/2a

Plug in:

(-12±√144-64)/8

(-12±√80)/8

(-12±√2^4×5)/8

(-12±4√5)/8

(-3±√5)/2

Final answer x = (-3±√5)/2

If you want decimal form: -2.61803398875, -0.38196601125

4 0
2 years ago
Can you fine the cube root of a negative number? If so, is it positive or negative? Explain your answer.
Nata [24]

Answer:

Yes, you can find the cube root of a negative number. The answer will be negative!

Step-by-step explanation:

Example: Find the cube root of -27

We know that a cube root is a number multiplied by itself 3 times (NOT MEANING THE NUMBER TIMES 3)

For example, The cube root of 27 positive is 3 because 3 x 3 x 3 = 27

But if we are using a negative number: It is really different because we got to know the rules.

The setup: -3 x -3 x -3 = -27

If we started with -3 x -3 first we know that a negative times a negative equals positive so the answer will be 9 positive, then we have this equation left:

9 x -3 = -27

The rule with this is a number times a negative is negative, so the answer of the question "Find the cube root of -27 is -3"

6 0
2 years ago
What is the answer for this question ​
slega [8]

Answer:

Symmetry

Step-by-step explanation:

Because the two sides are equally the same. Basically identical.

7 0
3 years ago
Read 2 more answers
Write as a fraction or mixed number in simplest form. Show all work please
Gemiola [76]
First you gotta change it to a fraction, which would be 6/10 because it's in the tenths place. Now simplify it, which would be 3/5. 
4 0
2 years ago
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