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allsm [11]
3 years ago
12

Royce is taking violin lessons. The instructor charges an initial fee and an hourly fee. The amount Royce pays based on the leng

th of his lesson is shown in the graph below. What is the instructor’s hourly fee?
Mathematics
1 answer:
larisa [96]3 years ago
4 0

Answer: 15 per hour

Step-by-step explanation:

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A bank account has an initial deposit of $14,000. After 8 years, the bank account
Kamila [148]

Answer:

2.3%

Step-by-step explanation:

18000 = 15000( 1 + i)^8

Divide both sides by 15000

1.2 = (1 + i)^8

Take both sides to the 1/8 power

1.2^(1/8) = 1 + i

1.023051875220463 = 1 + i

Subtract 1 from both sides

i = 0.023051875220463

~ 2.3%

8 0
3 years ago
In order to estimate the mean amount of time computer users spend on the internet each month, how many computer users must be su
prisoha [69]

Answer:

1568

Step-by-step explanation:

The computation of the minimum sample size is shown below:

Given that

Error E = 11

The population standard deviation \sigma =217

Confidence level 1-α = 95%

Now following formula should be used

n > (Zalpha ÷ 2 × sigma ÷ E)^2

As we know that

Zalpha ÷ 2= 1.96

Now the sample size is

n> (1.96 × 202  ÷ 10)^2

= 1568

6 0
2 years ago
Whats 4-4+2-2-2-2 divided by 160 tines 20?
Alborosie
The answer is -2.25 bye!!!!!!!!!!!!!!!!!!!!!!!!!1
3 0
3 years ago
Tori wrote the question for the area of the parallelogram 220.44 equals 16.7 what is the height of the parallelogram
AnnyKZ [126]
Area of parallelogram = base x height

220.44 = 16.7 x height
height = 220.44 ÷ 16.7
height = 13.2 units

Answer: 13.2 units
8 0
3 years ago
Look at the picture below
Lelu [443]

Answer: Phillip is correct. The triangles are <u>not </u>congruent.

How do we know this? Because triangle ABC has the 15 inch side between the two angles 50 and 60 degrees. The other triangle must have the same set up (just with different letters XYZ). This isn't the case. The 15 inch side for triangle XYZ is between the 50 and 70 degree angle.

This mismatch means we cannot use the "S" in the ASA or AAS simply because we don't have a proper corresponding pair of sides. If we knew AB, BC, XZ or YZ, then we might be able to use ASA or AAS.

At this point, there isn't enough information. So that means John and Mary are incorrect, leaving Phillip to be correct by default.

Note: Phillip may be wrong and the triangles could be congruent, but again, we don't have enough info. If there was an answer choice simply saying "there isn't enough info to say either if the triangles are congruent or not", then this would be the best answer. Unfortunately, it looks like this answer is missing. So what I bolded above is the next best thing.

7 0
3 years ago
Read 2 more answers
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