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lisabon 2012 [21]
3 years ago
5

A building is in the shape of a square pyramid. Each side of the base is 54 meters long and the height is 260 meters.

Mathematics
1 answer:
sergiy2304 [10]3 years ago
5 0
Check the picture below.

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3 years ago
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1. What is the binomial expansion of (x + 3)5? ​
lara [203]

Answer:

5x + 15

Step-by-step explanation:

To expand the binomial, you need to multiply each term inside the parentheses by 5.

(x + 3)5

= (x * 5) + (3 * 5)

= 5x + 15

4 0
2 years ago
Sam manages a clothing boutique and has an annual salary of $23600. Doug works in a shoe store and is paid 9.40/h each week. Who
just olya [345]

Answer:

Sam earns more money than Doug in an year

Step-by-step explanation:

The complete question is -

Sam manages a clothing boutique and has an annual salary of $23600. Doug works in a shoe store and is paid 9.40/h for 40 hours each week. Who has the higher gross income each month?

Solution -

Sum of money (in dollars) earned by Doug in one week is equal to

= 9.40 *40\\= 376

Sum of money (in dollars) earned by Doug in one year is equal to

= 376 * 52 \\= 19552

Hence, Sam earns more money than Doug in an year

3 0
3 years ago
There is a margin of error on a food survey of +/– 5%. What is the range of the number of students who do not want hot dogs if 8
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3 years ago
The radius of a right circular cylinder is increasing at the rate of 3 ft/sec, while the height is decreasing at the rate of 6 f
goblinko [34]

Answer:

\frac{dV}{dt}=-450\pi ft^3/sec

Step-by-step explanation:

Let's assume

radius of cylinder as 'r'

height of cylinder as 'h'

so, we have

\frac{dr}{dt} =3ft/sec

\frac{dh}{dt} =-6ft/sec

r=15ft

h=10ft

now, we can use volume of cylinder formula

V=\pi r^2h

we can find derivative with respect to t

\frac{dV}{dt}=2\pi r h\times\frac{dr}{dt} +\pi r^2\times \frac{dh}{dt}

now, we can plug values

\frac{dV}{dt}=2\pi (15)(10)\times3 +\pi (15)^2\times -6

now, we can simplify it

\frac{dV}{dt}=-450\pi ft^3/sec

6 0
3 years ago
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