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irina [24]
3 years ago
7

You buy a circular rug with a diameter of 8 feet. How much floor space will the rug cover

Mathematics
2 answers:
givi [52]3 years ago
4 0

Answer: 59.24 feet

Step-by-step explanation:

Radda [10]3 years ago
3 0

Answer:

25.12

Step-by-step explanation:

8*3.14=25.12

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A 6-foot pine tree was planted and grew 2 feet each year Write an algebraic expression for the height after y years?
gladu [14]
6+2y, since the tree is already 6 feet, it grows 2 feet per year so you add 2 feet to the 6 feet every year
6 0
3 years ago
During a school celebration, all the students participate in a canady hunt on the schools ground. your team consists of you, kyl
dem82 [27]
Let's call the team members: y(ou), k, ma, mi, d, s , that's 6 members.

We know that the number of candies is 18+23+20+28 (which is 89) plus whatever Simon and Doug found.

If the average per person is 22, then all people in total found 6*22=132.

We don't know how much doug and Simon found, but together they found 132-89=32+11=43,

Once we know how much Doug found, we can subtract it from 43 and we'll know.

From all the people so far, Michelle found the most, but it could be that either Doug or Simon found more: the problem is we don't have enough information now to find out.
3 0
3 years ago
If y=e5t is a solution to the differential equation
a_sh-v [17]

Answer:

k = 30, y(t) = C_1e^{5t}+C_2e^{6t}

Step-by-step explanation:

Since y=e^{5t} is a solution, then it must satisfy the differential equation. So, we calculate the derivatives and replace the value in the equation. We have that

\frac{d^2y}{dt^2} = 25 e^{5t},\frac{dy}{dt} = 5e^{5t}

Then, replacing the derivatives in the equation we have:

25e^{5t}-11(5)e^{5t}+ke^{5t}=0 e^{5t}(25-55+k) =0

Since e^{5t} is a positive function, we have that

25-55+k = 0 \rightarrow k = 30.

Now, consider a general solution y(t) = Ae^{rt}, A \in \mathbb{R}, then, by calculating the derivatives and replacing them in the equation, we get

Ae^{rt}(r^2-11r+30)=0

We already know that r=5 is a solution of the equation, then we can divide the polynomial by the factor (r-5) to the get the other solution. If we do so, we get that (r-6)=0. So the other solution is r=6.

Therefore, the general solution is

y(t) = C_1e^{5t}+C_2e^{6t}

8 0
3 years ago
I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER
lubasha [3.4K]

Answer:

<em>13.1</em>  

Step-by-step explanation:

A = bh

~~~~~~~

b_{1} = 16 , h_{1} = 9

A = 16 × 9 = 144

From another side area of parallelogram  with hight "h" base "b"  

11h = 144

<em>h</em> = 144 ÷ 11 ≈ <em>13.1</em>

5 0
2 years ago
How to solve for x and y
KonstantinChe [14]
7 is the answer for both
4 0
3 years ago
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