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Fofino [41]
3 years ago
10

15 points!!!! Find the value of x. 102 54 6x O A. 8 B. 6 O C. 17 D. 9

Mathematics
2 answers:
BaLLatris [955]3 years ago
8 0

Answer:

a

Step-by-step explanation:

Hitman42 [59]3 years ago
8 0

Answer:

A. 8

Step-by-step explanation:

Given,

54° + 6x° = 102°

=> 6x = 102 - 54

=> 6x = 48

=  > x =  \frac{48}{6}

=> x =<u> 8(Ans)</u>

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A company that produces an expensive stereo component is considering offering a warranty on the component. Suppose the populatio
Llana [10]

Answer:

Warranty of 66 months.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 84, \sigma = 9

If the company wants no more than 2% of the components to wear out before they reach the warranty date, what number of months should be used for the warranty?

Only the lowest 2% will be replaced, so the warranty is the value of X when Z has a pvalue of 0.02. So it is X when Z = -2.055.

Z = \frac{X - \mu}{\sigma}

-2.055 = \frac{X - 84}{9}

X - 84 = -2.055*9

X = 65.5

Warranty of 66 months.

5 0
2 years ago
One week, Ben bought 2 bags of Brutus Bites and 3 bags of Lucky Licks
ivann1987 [24]

Answer: 1 Brutus Bites= $9.25

1 Lucky Licks= $8.00

Step-by-step explanation:

2B + 3L= 42.50

5B + 6L= 94.25

Using the elimination method multiply the first equation by -2 to cancel the L's out.

5B + 6L= 94.25

-4B - 6L= -85  

B= 9.25

Then put this number back into the equation to solve the other.

2B + 3L = 42.5

5B + 6L = 94.25

2(9.25) + 3(8) = 42.5

5(9.25) + 6(8) = 94.25

7 0
3 years ago
Of the marbles in a bag 5 are white 4 are yellow and 2 are green Sandra will randomly choose one marble from the bag fill in the
castortr0y [4]

Answer:

4, 11, 4/11

Step-by-step explanation:

there are 5 white marbles, 4 yellow marbles, and 2 green marbles.

there are 11 marbles in total, and 4 yellow marbles

the probability of her selecting a yellow marble is 4/11

7 0
2 years ago
Look at the figure. If ∠1 ≅ ∠2 and m∠1 = 35, then what is the measure of ∠2?
Neporo4naja [7]
The answer to this is 35
6 0
2 years ago
X2 + 18 = 67<br> whats the answer?
matrenka [14]

Answer:

7

Step-by-step explanation:

x^{2} + 18 = 67

<u><em>You first need to subtract 18 from both sides:</em></u>

<u><em /></u>x^{2} + 18 = 67

    - 18    -18

_________

x^{2} = 49

<u><em>To get rid of the square, you need to square root both sides:</em></u>

<u><em /></u>x^{2} = 49

\sqrt{x^2} = \sqrt{49}

<u><em>This leaves you with:</em></u>

x = 7

3 0
3 years ago
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