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Tatiana [17]
3 years ago
13

Anderson had $42.75. He spent $13.25 on a DVD and $17.75 on a gift.

Mathematics
2 answers:
V125BC [204]3 years ago
8 0

Yes. He would have enough left to buy lunch. Answer:

Step-by-step explanation: $13.25 + $17.75=$31

$31 + 10.25=$41.25

timurjin [86]3 years ago
5 0

Answer:

Yes he would! He had $11.75 after he bought the DVD and the gift

Step-by-step explanation:

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Use the description and table to graph the function, and determine the domain and range of f(x). Represent the domain and range
zmey [24]

The domain of the function is x > 0 and the range of the function is -∞ < f(x) < ∞

<h3>How to determine the domain?</h3>

The table represents a logarithmic function.

The domain represents the set of x values.

From the table, we can see that all the x values are positive values i.e. x > 0

Hence, the domain of the function is x > 0

<h3>How to determine the range?</h3>

From the table, the table outputs all zero, positive and negative numbers

This means that the range is the set of all real numbers.

Hence, the range of the function is -∞ < f(x) < ∞

Read more about domain and range at:

brainly.com/question/11787743

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7 0
2 years ago
The ratio of chaperones to students on a field trip is2:7 there are 14 chaperones on the field trip in all how many chaperones a
Luden [163]

Answer:

14 chaperones, 49 students

Step-by-step explanation:

6 0
3 years ago
Camila drives 7.5 miles in 15 minutes. If she drove two hours in total at the same rate, how far did she go?
Elan Coil [88]

Answer:

Step-by-step explanation:

75

7 0
3 years ago
It has a time to failure distribution which is normal with a mean of 35,000 vehicle miles and a standard deviation of 7,000 vehi
Triss [41]

Answer:

The designed life should be of 21,840 vehicle miles.

Step-by-step explanation:

Normal Probability Distribution

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

Mean of 35,000 vehicle miles and a standard deviation of 7,000 vehicle miles.

This means that \mu = 35000, \sigma = 7000

Find its designed life if a .97 reliability is desired.

The designed life should be the 100 - 97 = 3rd percentile(we want only 3% of the vehicles to fail within this time), which is X when Z has a p-value of 0.03, so X when Z = -1.88.

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

-1.88 = \frac{X - 35000}{7000}

X - 35000 = -1.88*7000

X = 21840

The designed life should be of 21,840 vehicle miles.

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3 years ago
Three friends each have some ribbon. Carol has 90 inches of ribbon, Tino has 10.5 feet of ribbon, and Baxter has 3.5 yards of ri
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There are 342 inches, 28.5 feet, and 9.5 yards
6 0
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