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Lera25 [3.4K]
3 years ago
9

You sell instruments at a Caribbean music festival. You earn $326 by selling 12 sets of maracas, 6 sets of claves, and x

Mathematics
1 answer:
LenKa [72]3 years ago
6 0
From the given photograph in the problem above, the cost of each macaras is $14, each set of clave cost $5. Lastly, each djembe drum costs $16. If we let x be the number of djembe drum sold, our equation would be,
                         326 = 12(14) + 6(5) + x(16)
Simplifying the right side of the equation,
                           326 = 198 + 16x
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SOMEONE HELP PLEASE (DO IT RIGHT AND INCLUDE STEP BY STEP EXPLANATION SO I COULD UNDERSTAND HOW TO DO IT LMA.O)
ololo11 [35]

Answer:

The probability is 1/8 or 0.125.

Step-by-step explanation:

Given is that three fair coins are flipped.

And we have to find the probability of getting a head on the first flip,a tail on the second flip, and another head on the third flip.

Firstly, here each flip is independent of the outcome of the other flips.

So, the probability of head is 1/2 and the probability of tail is 1/2.

Therefore, the answer will be : (1/2) (1/2) (1/2)=8

5 0
2 years ago
Evaluate the expression without using the calculator 8^1/3
allsm [11]

Answer:

= 2.67

Step-by-step explanation:

Given: 8^1/3

We have to find the value of the given fraction which can be done by dividing the denominator value with the numerator value

                                  \frac{8^1}{3} \\

 The power of 8 is '1', so, the value of numerator is 8.

                                    \frac{8}{3}

The value of the fraction is calculated by dividing 3 by 8.

                         = 2.67

8 0
3 years ago
A sport statistician gathered data on the number of points scored in each game by high school basketball players across the coun
Sonbull [250]

For a sample size of 20 players, 68% of the sample means fall within 19.32 and 20.98

<h3>What is a sample size?</h3>

The sample size is a term used in market research for defining the number of subjects included in a sample size. By sample size, we understand a group of subjects that are selected from the general population and is considered a representative of the real population for that specific study.

Empirical rule states that for a normal distribution, 68% of the values are within one standard deviation from the mean, 95% of the values are within two standard deviation from the mean and 99.7% of the values are within three standard deviation from the mean.

For a population mean of 20.15 and a standard deviation of 3.7

68% are within μ ± σ/√n,

hence,

68% = 20.15 ± 3.7/√20 = (19.32, 20.98)

For a sample size of 20 players, 68% of the sample means fall within 19.32 and 20.98.

To learn more about  sample size from the given link:

brainly.com/question/22927560

#SPJ4

6 0
2 years ago
John spent $75 on a shopping trip for new clothes last week. He had expected to spend $100 on clothes. table How much was the ab
kolezko [41]

Answer:

\$\ 25

Step-by-step explanation:

By definition, the absolute error is defined as:

\epsilon = |x_a - x_e|

Where:

\epsilon: is the error

x_a: is the approximate value

x_e: is the exact value

In this problem the approximate value was 100 and the exact value was 75. Then we substitute these values in the formula to find the error.

\epsilon = |100 - 75|\\\epsilon = \$\ 25

3 0
3 years ago
Read 2 more answers
How do I solve it? URGANT!!!
defon

Answer:

Step-by-step explanation:

KL = JK, so ΔJKL is an isocesles triangle, then m∠J = m∠L

KL is a tangent line, so ∠JKL = 90°,

so m∠J = 45°

5 0
2 years ago
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