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3 years ago

15

I need with absolute value.

2 answers:

Amanda [17]3 years ago

8 0

What do u need the absolute value on?

____ [38]3 years ago

5 0

The answer is nine "9"

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Determine the lateral surface area and the total surface for the pyramid. Round your answer to the nearest whole number.

777dan777 [17]

Answer:

$L = 704$

$S = 832$

Step-by-step explanation:

Given

$H = 22$ --- Height

$W = 8$ --- Width

$L=8$ ---- Length

Solving (a): The lateral surface area (L)

This is calculated as:

$L = 2 * (L + W) * H$

This gives:

$L = 2 * (8 + 8) * 22$

$L = 2 * 16 * 22$

$L = 704$

Solving (b): The total surface area (T)

This is calculated as:

$S = 2 * (LW + WH + LH)$

This gives:

$S = 2 * (8*8 + 8*22+ 8*22)$

$S = 2 * (64 + 176+ 176)$

$S = 2 * 416$

$S = 832$

3 0

3 years ago

The Environmental Protection Agency records data on the fuel economy of many different makes of cars. Data on the mileage of 20

artcher [175]

Answer:

A) 8.5 miles per gallon

Step-by-step explanation:

Given

$x = \{12\ 13\ 15\ 16\ 16\ 17\ 18\ 18\ 19\ 19\ 20\ 20\ 22\ 23\ 24\ 26\ 26\ 27\ 27\ 29\}$

$n = 20$

Required

The IQR

This is calculated as:

$IQR = Q_3 - Q_1$

Calculate $Q_1$

$Q_1 = \frac{1}{4}(n + 1)th$

$Q_1 = \frac{1}{4}(20 + 1)th$

$Q_1 = \frac{1}{4}(21)th$

Remove bracket

$Q_1 = 5.25th$

This means that:

$Q_1$ is the mean of 5th and 6th item

From the given data:

$5th \to 16$

$6th \to 17$

So, we have:

$Q_1 = \frac{1}{2}(16 + 17)$

$Q_1 = \frac{1}{2}(33)$

$Q_1 = 16.5$

$Q_1 = 16.25$

Calculate $Q_3$

$Q_3 = \frac{3}{4}(n + 1)th$

$Q_3 = \frac{3}{4}(20 + 1)th$

$Q_3 = \frac{3}{4}(21)th$

Remove bracket

$Q_3 = 15.75th$

This means that:

$Q_3$ is the mean of 15th and 16th item

From the data:

$15th \to 24$

$16th \to 26$

So:

$Q_3 = \frac{1}{2}(24 + 26)$

$Q_3 = \frac{1}{2}(50)$

$Q_3 = 25$

Recall that:

$IQR = Q_3 - Q_1$

$IQR = 25 -16.5$

$IQR = 8.5$

7 0

3 years ago

The convex polygon below has 7 sides. find the value of x

Brrunno [24]

The given convex polygon has 7 sides

Hence its sum of interior angles is given by the formula , (number of sides-2)x180°

=> (7-2) x 180°

=> 5 x 180°

=> 900°

The sum of all angles must be equal to 900°

The given six angles are :

139°,126°,106°,129°,141°,112° , x°

=> 139+126+106+129+141+112+x = 900°

=> 753 + x = 900

=> x = 900-753

=> x = 147°

Hence 147° is the required answer.

7 0

1 year ago

Read 2 more answers

A car dealership sold 36 cars in April. The dealership wants to increase the number of cars sold by 40% in May. How many cars wi

mash [69]

Answer:

49

Step-by-step explanation:

<em>Note the number must be a typo. 36 is replaced with 35 in calculations.</em>

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

<u>Number of cars sold in April:</u>

35

<u>Desired increase rate:</u>

40%

<u>Increase in number:</u>

35*40/100 = 14

<u>Number of cars to be sold in May:</u>

35 + 14 = 49

4 0

3 years ago

Read 2 more answers

Please help as soon as possible!!!! Please explain your answer if possible!

JulijaS [17]

Answer:

The answer is A.

Step-by-step explanation:

First, you have to solve the inequality :

$4 - 3x < - 2$

$- 3x < - 2 - 4$

$- 3x < - 6$

$x > - 6 \div - 3$

$x > 2$

Therefore, x > 2, so only option A is suitable for the x values.

5 0

3 years ago