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horrorfan [7]
4 years ago
13

What is the surface area of the regular pyramid below?

Mathematics
1 answer:
Westkost [7]4 years ago
6 0

Answer:

the surface area of the regular pyramid below is B. 304 sq. units

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A number is 1/7 of another number. The difference of the number is 18. Find the number.i
vitfil [10]
The answer is the number is 3 and the other number is 21. You can set the problem up as two equations. First, x = 1/7y as "a number (x) of 1/7 of another number (y)." Then the difference of the number is 18 is "y - x = 18" because y is the larger of the two numbers from the first equation. You could then substitute 1/7y for x in the second equation and solve for y, which is 21. You can then solve for x, the number, or 3. 
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Solve <br> 6x^3+2x^2-11x+12/3x+4
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1 over 4a = 2 over 3. Which of the following equals a in this equation? 1 over 6 3 over 8 11 over 12 22 over 3
Elis [28]

Answer:

Option B, 3 over 8

Step-by-step explanation:

<u>Step 1:  Make an equation</u>

1/4 * 3/2 = a

3/8 = a

Answer:  Option B, 3 over 8

4 0
4 years ago
What is the slope of the line // to y= -4/5x + 6?
lawyer [7]
The slope is -4/5 but in standard form it would be 4x-5y=30.
7 0
3 years ago
In 1984 a locally-owned car company sold 2,743 cars. In 2003, the car sales rose to 4,069. What was the average rate of change f
tatiyna

Answer:

70 cars  per year.

Step-by-step explanation:

Given:

In 1984 a locally-owned car company sold 2,743 cars.

In 2003, the car sales rose to 4,069.

Question asked:

What was the average rate of change for the total number of cars sold?

Solution:

In 2003 number of cars sold = 4069

In 1984 number of cars sold = 2743

Change in the number of car sold = 4069 - 2743

                                                         = 1326

Now, time interval between 2003 and 1984 = 19

The\ average\ rate\ of\ change=\frac{Change\ in\ the\ number\ of\ car\ sold}{Time \ interval}

                                             =\frac{1326}{19} \\=69.789\\\\=70\ cars\ per\ year\  (approx)

Thus, the average rate of change for the total number of cars sold is 70 cars  per year.

7 0
3 years ago
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