PLEASE EXPLAIN!!!Concrete can be purchased by the cubic yard. How much will it cost to pour a slab 18 feet by 18 feet by 6 inches for a patio if the concrete costs $42.00 per cubic yard?

Answers

Answer 1

Answer: The easiest thing to do is convert all the measurements to yards...
18ft = 6 yards
6 inch = 1/6 yard ( 6 inches = 1/2 ft.... so 1/6 yard)
so the volume is V = 6 x 6 x 1/6
Then all you do is calculate the cost. I hope this helps you out

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Add. Reduce to lowest terms. 6 4/5 + 3 7/10 =
Please help me solve for 1
A circular patio has a radius of 18 feet.What is the longest distance across the patio? A. 9 ft B. 18 ft C. 36 ft D. 54 ft
13 over 15 divided by 7 over 10 in simplest form

Which expression is equivalent to the given expression (-4abc)3

Answers

Answer:

-64a^3b^3c^3

Step-by-step explanation:

(-4abc)^3= (-4)^3(a)^3(b)^3(c)^3

=-64a^3b^3c^3

Answer:

-12abc

Step-by-step explanation:

Multiply

-4(3) = -12

Since 3 doesn't have any variable such as a, b, or c, then the variable next to -4 doesn't change

Therefore your answer is -12abc

Hope this helps!

Dena's softball team can win (W) or lose (L) each game. Which of the following are elements in the sample space for 2 softball games?

Answers

In a softball game, the odds are only win or lose the game. When 2 games are already being considered, the elements in the sample space are already 2 in each set. The sets are {W,W}, {W,L}, {L,W} and {L,L}. Hence, there are 4 sets all in all to describe the odds of the two games.

Use the distributive property to remove the parentheses.
4(x+8)

Answers

Answer: 18+6w

Step-by-step explanation:

Answer:

4(x+8)

4x+32

4 x X = 4x 4 x 8 = 32

Step-by-step explanation:

Please help!! Im bad at this

Answers

Answer:

Step-by-step explanation:

This is proportional because the number of calories burned is directly proportional to the amount of time spent on the treadmill

A sequence is defined by the recursive formula f(n + 1) = 1.5f(n). Which sequence could be generated using the formula? –12, –18, –27, ... –20, 30, –45, ... –18, –16.5, –15, ... –16, –17.5, –19, ...

Answers

Formula f(n+1) = 1.5 f(n) => f(n+1) / f(n) = 1.5. That means, that you have to search for a sequence where the ratio of two consecutive terms is 1.5. The first sequence is the only one that meets that: - 18 / - 12 = 1.5 and - 27 / - 18 = 1.5. So, the answer is the first option: -12, -18, -27, ...

Answer: –12, –18, –27, ... [ A.K.A: (A.) ]

The path traveled by a bottlenose dolphin as it jumps out of water is modeled by the equation y = −0.4x2 + 3x, where y is the height above water and x is the horizontal distance in feet. If a beam of light is shone upward at an angle modeled by the equation x + y = 10, at what height from the water's surface will the beam of light hit the dolphin?A)2.7 feet

B)3 feet

C)5 feet

D)5.6 feet

Answers

We can find the answer by solving the two equations simultaneously.

equation 1: y = -0.4x^2 +3xequation 2: x + y = 10
We need to write equation to with y as the subject:equation 2: y = 10 - x

equation 1 = equation 2:
10 - x = -0.4x^2 + 3x0.4x^2 - 4x + 10 = 02x^2 - 20 + 50 = 0(2x - 10)(x - 5) = 0x = -10/2 or x = 5

But x >= 0 (the question says it's a height above the water), so x = 5

Substituting x = 5 into one of the equations:
y = 10 - x
y = 10 - 5
y = 5

So the answer is C

Answer:

5 feet

Step-by-step explanation:

y = 5

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