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4 years ago

You are building a teepee so you can be awesome on your next camping

Mathematics

1 answer:

Oxana [17]4 years ago

8 0

Answer:

1017.9 ft^3

Step-by-step explanation:

We know the inside dimension at floor level will be 18 feet across, so that may not be the answer that is being asked for. We also know it will be 12 ft high inside, so that may not be the answer, either. We're not quite sure what "how big" is supposed to mean.

Perhaps the question is trying to ask for the volume of the teepee. That will be given by the formula ...

V = (1/3)πr^2·h

V = (1/3)π(9 ft)^2·(12 ft) = 324π ft^3

V ≈ 1017.9 ft^3

The interior volume will be about 1017.9 cubic feet.

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If you take 10 quizzes by the end of the semester and get 6 A's and 4 B's, the ratio of A's to B's is _____.

guapka [62]

Answer:

the ratio is 6:4 if we were reduce it, it will be 3:2

7 0

3 years ago

Solve the simultaneous equations 4x+3y=1 4x^2+3xy+y^2=2

Fantom [35]

Notice that the second equation,

4x ² + 3xy + y ² = 2

can be written as

x (4x + 3y) + y ² = 2

and the first equation says 4x + 3y = 1, so this reduces to

x + y ² = 2

Solve the first equation for x :

4x + 3y = 1

4x = 1 - 3y

x = (1 - 3y)/4

Substitute this into the reduced second equation to get a quadratic equation in y, which happens to be easily factorized and solved:

(1 - 3y)/4 + y ² = 2

1 - 3y + 4y ² = 8

4y ² - 3y - 7 = 0

(4y - 7) (y + 1) = 0

4y - 7 = 0 or y + 1 = 0

y = 7/4 or y = -1

Solve for x :

x = (1 - 3 (7/4))/4 or x = (1 - 3 (-1))/4

x = -17/16 or x = 1

So the two solutions are (x, y) = (-17/16, 7/4) and (x, y) = (1, -1).

8 0

3 years ago

Which of these three expressions are equivalent?

grin007 [14]

Answer:

is this good?? i mean is it correct

8 0

3 years ago

What is the slope for M(4,-8 negative) N(6,-1 negative)

labwork [276]

Answer:

m=7/2

Step-by-step explanation:

6 0

3 years ago

Mattie uses the discriminant to determine the number of zeros the quadratic equation 0 = 3x2 – 7x + 4 has. Which best describes

Eduardwww [97]

For $ax^2+bx+c=0$ the discriminant is $b^2-4ac$

there are 3 basic cases of what happens for different discriminants
1. if the discriminant is less than 0, then there are no real zeroes
2. if the discriminant is 0, then it has 1 zero
3. if the discriminant is greater than 0, it has 2 zeroes

so given
$0=3x^2-7x+4$
a=3,b=-7,c=4
thus the discriminant is $(-7)^2-4(3)(4)=49-48=1$
the discriminant is 1. 1 is positive, thus the equation has 2 zeroes because the discriminant is greater than 0

the answer is the equation has two zeroes because the discriminant is greater than 0

8 0

3 years ago

Read 2 more answers