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Yakvenalex [24]
3 years ago
8

Find the x-intercept and the y-intercept of the line above

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
5 0

Answer:

(a): x-intercept: -4

(b): y-intercept: -1

Step-by-step explanation:

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l×h×w

16×16×16=4096

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$160/5 or $315/9 which is the better deal
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Answer:

$160/5

Step-by-step explanation:

160/5 would be 32 and 315/9 would be 35. 32 is less than 35 so $160/5 would be the better deal.

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What is the surface area of a rectangular prism that is 12cm by 3cm by 5cm?
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A = 2lw + 2lh + 2hw
A = 2(12)(3) + 2(12)(5) + 2(5)(3)
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Hope this helps!! :)
3 0
3 years ago
A supervisor records the repair cost for 14 randomly selected refrigerators. A sample mean of $79.20 and standard deviation of $
Nitella [24]

Answer:

( $74.623, $83.777)

The 90% confidence interval is = ( $74.623, $83.777)

Critical value at 90% confidence = 1.645

Step-by-step explanation:

Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.

The confidence interval of a statistical data can be written as.

x+/-zr/√n

Given that;

Mean x = $79.20

Standard deviation r = $10.41

Number of samples n = 14

Confidence interval = 90%

Using the z table;

The critical value that should be used in constructing the confidence interval.

z(α=0.05) = 1.645

Critical value at 90% confidence z = 1.645

Substituting the values we have;

$79.20+/-1.645($10.42/√14)

$79.20+/-1.645($2.782189528308)

$79.20+/-$4.576701774067

$79.20+/-$4.577

( $74.623, $83.777)

The 90% confidence interval is = ( $74.623, $83.777)

5 0
3 years ago
Graph
posledela

Answer:

8

Step-by-step explanation:

3 0
3 years ago
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