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Gnoma [55]
3 years ago
11

the formula f=9/5c+32 can be used to convert between temperature in degrees Fahrenheit and temperature in degrees Celsius. Use t

he formula to find the temperature in degrees Celsius when the temperature is 95 degrees fahrenheit. show your work
Mathematics
1 answer:
Slav-nsk [51]3 years ago
3 0

Answer:

95

Step-by-step explanation:

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Can someone please help me?
Vadim26 [7]

Answer:

0.84

Step-by-step explanation:

hope this helps, brainliest appreciated!

8 0
2 years ago
A principal believes 50% of her music students reported their practice hours accurately. Based on that assumption, she ran 200 s
Alex17521 [72]

Answer:

C. unlikely

Step-by-step explanation:

Problems of normally distributed samples can be 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.

A probability is said to be extremely likely if it is 95% or higher, and extremely unlikely if it is 5% or lower. A probabilty higher than 50% and lower than 95% is said to be likely, and higher than 5% and lower than 50% is said to be unlikely.

In this problem, we have that:

\mu = 0.48, \sigma = 0.18

How likely is it that a single survey would return a mean of 30%?

We have to find the pvalue of Z when X = 0.30.

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

Z = \frac{0.30 - 0.48}{0.18}

Z = -1

Z = -1 has a pvalue of 0.1587.

So the correct answer is:

C. unlikely

4 0
3 years ago
The variable overhead rate variance can be defined as which of the​ following? A. Standard rate x​ (Actual hours​ - Standard hou
Katena32 [7]

Answer:

Step-by-step explanation:

In costing analysis, direct materials, labour and direct expenses aggregate to prime cost.  Alternately, the aggregate of indirect materials, labour  and expenses is termed as overhead.  Overheads are classified into fixed and variable.

Variable overhead is one which varies directly as per number of units produced

Variable overhead rate variance = actual costs -(AHxSR)

= Actual costs - (Actual hours x std rate)

= Actual hours x actual rate - actual hours  x std rate

Hence option D is right.

5 0
3 years ago
Please help me asp
Lisa [10]

Answer:3.25

Step-by-step explanation: $16.25/5 games = $3.25 for each game

7 0
3 years ago
Help helppp help i need answerr thank Uuuuuuuuu​
Galina-37 [17]

Answer:

see explanation

Step-by-step explanation:

(a)

The angles are vertical and congruent, that is

x - 10 = 125 ( add 10 to both sides )

x = 135

-------------------------------------------------

(b)

Supplementary angles sum to 180°

The angles are in the ratio 2 : 3 = 2x : 3x ( x is a multiplier ), then

2x + 3x = 180

5x = 180 ( divide both sides by 5 )

x = 36

thus

2x = 2 × 36 = 72

3x = 3 × 36 = 108

Then the 2 angles are 72° and 108°

3 0
3 years ago
Read 2 more answers
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