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kati45 [8]
2 years ago
12

Evaluate the function rule for the given value.

Mathematics
1 answer:
ycow [4]2 years ago
5 0

Answer:

96

Step-by-step explanation:

y=8.3x

x=4

Substituting x as 4,

y=8*3*4

y=8*12

y=96

Hence, x=4, y=96

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Solve 4x + 10-30<br> X&lt;5<br> x&gt;5<br> X&lt;10<br> X&gt;10
LekaFEV [45]

Answer:

0

Step-by-step explanation:

4x + 10 - 30

4 × 5 + 10 - 30

20 +10 - 30

30 - 30

0

3 0
3 years ago
A videotape store has an average weekly gross of $1,158 with a standard deviation of $120. Let x be the store's gross during a r
statuscvo [17]

Answer:

The number of standard deviations from $1,158 to $1,360 is 1.68.

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 = 1158, \sigma = 120

The number of standard deviations from $1,158 to $1,360 is:

This is Z when X = 1360. So

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

Z = \frac{1360 - 1158}{120}

Z = 1.68

The number of standard deviations from $1,158 to $1,360 is 1.68.

3 0
3 years ago
What is the value of the constant in the expression?<br> 2x2 + 3x - y - 18 + 7y2
Virty [35]
I think it’s 3x

Hope it helps
8 0
3 years ago
Jimmy has a diecast metal car that is a scale model of an actual race car. If the actual length of the car is 10 feet 6 inches a
kirill115 [55]
The scale factor would be -8 because...

126 inches / 7 inches = 8 inches. 

Because the car is bigger than the scale, it would be a negative scale factor.
8 0
3 years ago
I don't know how to solve this. Anything will help!​
tigry1 [53]
Hello :) to solve this you would have to do invert sin (51/55) on your calculator. When you do that you will get 68.013 so I would round that and say that the angle is 68 degrees
4 0
2 years ago
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