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3 years ago

What is the volume of this square pyramid?

Mathematics

2 answers:

ki77a [65]3 years ago

8 0

V = 1/3 x area of base x height
volume = 1/3 x (12 x 12) x 8
= 384 cm3

the answer is a.

vfiekz [6]3 years ago

4 0

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What is 17,210,000,000 written in scientific notation?

Andre45 [30]

Answer and Step-by-step explanation:

The answer is 1722.1 x $10^8$

#teamtrees #PAW (Plant And Water)

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3 years ago

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What is the slope-intercept equation of the line below? A.y=2x+3 B.y=-2x-3 C.y=2x-3 D.y=-2x+3

PtichkaEL [24]

Answer:

Step-by-step explanation:

First, lets find the y-intercept. The y-intercept where the line passes through the y-axis. In this case, it is -3.

Now, to find the slope, lets find the next non-decimal point(that way it is easier on us). That would be (1,-1). Now, to get to this point from the y-intercept, we have to go left 1 unit, and up 2 units. So, the change in y over change in x = 2/1 or 2. Now, using this information, we can form the equation:

y = 2x + -3. or y = 2x - 3.

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2 years ago

Helppp!!! Simplify this. Please explain it too. 18x^4 – 3x^3 – 2x^3 + x^2 – 10 + 6

strojnjashka [21]

Answer: 18x^4 - 5x^3 + x^2 - 4

Step-by-step explanation:

We need to add like terms.

-10 and 6 are like terms

-10 + 6 = - 4

-3x^3 and -2^3 are like terms

-3x^3 + -2^3 = -5x^3

There are no other like terms.

18x^4 - 5x^3 + x^2 - 4

5 0

3 years ago

Step by step what is the answer to 11=12-q

Shtirlitz [24]

Your answer: q=1.

Steps:

1.) Add q to both sides. (11 + q = 12 - q + q.)

2.) Simplify. (11 + q = 12.)

3.) Subtract 11 from both sides. (11 + q - 11 = 12 - 11.)

4.) Simplify again. (q = 1.)

Hope this helped :)

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3 years ago

A retail shop is replacing their flooring with new tile. New tile will go in the point shaded area below. Determine the total sq

galben [10]

Answer:

137 ft²

Step-by-step explanation:

The shop is rectangular in shape. The area of a rectangle is given by:

Area = length * width

Since the length of the shop = 20 ft and the width = 10 ft, therefore:

Area of the shop = length * width = 20 ft * 10 ft = 200 ft²

The part that would not be tiled is of triangular shape. The area of a triangle is given as:

Area = (1/2) * base * height

The base of the triangle = 18 ft, the height = 7 ft. Hence:

Area of non tiled part = (1/2) * base * height = (1/2) * 18 ft * 7 ft = 63 ft²

The total square feet of tile needed to complete the job = Area of shop - Area of non tiled part

The total square feet of tile needed to complete the job = 200 ft² - 63 ft² = 137 ft²

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3 years ago