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3 years ago

How many tiles will it take to cover a 4ft wide and 8ft long

Mathematics

2 answers:

Zanzabum3 years ago

8 0

32 tiles is your answer

kvv77 [185]3 years ago

6 0

It will take 32 tiles

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Please help with these math questions part one

katrin [286]

V of cone=(1/3)(pi)(h)(r^2)
V of cylinder=(pi)(h)(r^2)

1.
r=6
h=10
v=(1/3)(pi)(10)(6^2)
v=1/3pi10(36)
v=1/3pi360
v=120pi
answer is B

2.
r=d/2
d=10
10/2=5=r
V=(3.14)(5)(5^2)
V=3.14(125)
V=392.5
answer is B

3. 9.2, 3.7
V=(pi)(9.2)(3.7^2)
V=(pi)(9.2)(13.69)
V=(pi)(125.948)
input 125.948

4. v=(1/3)(pi)(12)(3^2)
V=(1/3)(pi)(12)(9)
V=(pi)(12)(3)
V=pi(36
v=36pi
v=36(3.14)
V=113.04

input 113.04

ANSERS
1.B
2.B
3. 129.948
4. 113.04

3 0

3 years ago

Two lines, C and D, are represented by the equations given below:

hammer [34]

Given:
line C: y = x + 14
line D: y = 3x + 2

(6,20) or (3,11)

line C: y = 6 + 14 = 20 or y = 3 + 14 = 17
line D: y = 3(6) + 2 = 18 + 2 = 20 or y = 3(3) + 2 = 9 + 2 = 11

(6,20), because both lines pass through this point.

4 0

3 years ago

What is (3x10^8)x(3x10^7)

Westkost [7]

Answer:

9e+15

thats the answer have a nice day or evening

7 0

2 years ago

Tyrone bought 2.25 pounds os swiss cheese and 4.2 pounds of turkey at deli .how much was the weight of the two items?

Hoochie [10]

2.25+4.2= 6.45 Pounds

7 0

3 years ago

URGENT!

slega [8]

\Answer:

$\displaystyle \frac{(x-7)^2}{4}+\frac{(y+2)^2}{36}=1$

Step-by-step explanation:

<u>Equation of The Ellipse</u>

Given the center (h,k) and the length of the major and minor axis, we can write the equation of the ellipse as follows:

$\displaystyle \frac{(x-h)^2}{a^2}+\frac{(y-k)^2}{b^2}=1$

If the major axis is a, then the ellipse is horizontal, if the major axis is b, then the ellipse is vertical.

The ellipse shown in the figure is centered at (7,-2). The major axis is b and it can be found by measuring the distance from the center up or down to any vertex. We find b=6 and a=2.

Thus, the equation of the ellipse is:

$\displaystyle \frac{(x-7)^2}{2^2}+\frac{(y+2)^2}{6^2}=1$

Operating:

$\mathbf{\displaystyle \frac{(x-7)^2}{4}+\frac{(y+2)^2}{36}=1}$

7 0

3 years ago