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victus00 [196]
3 years ago
10

Veronica surveyed her classmates about which types of pets they own. The graph shows her data.

Mathematics
2 answers:
dybincka [34]3 years ago
7 0

Answer:

11% own fish

Step-by-step explanation:

Paraphin [41]3 years ago
4 0
11% right? ‘Cause all you have to do is subtract all those numbers from 100
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John bought 6 dumplings for $3.00.
zubka84 [21]
Just make the slope as 1/2 remember rise over run and start at 0
3 0
4 years ago
Consider xưy" – 14xy' + 56y = 0. Find all values of r such that y=x" satisfies the differential equation for x > 0. Enter as
beks73 [17]

I bet the ODE is supposed to read

x^2y''-14xy'+56y=0

Then if y=x^r, we have y'=rx^{r-1} and y''=r(r-1)x^{r-2}, and substituting these into the ODE gives

r(r-1)x^r-14rx^r+56x^r=0\implies r(r-1)-14r+56=r^2-15r+56=0

Solving for <em>r</em>, we find

r^2-15r+56=(r-8)(r-7)=0\implies \boxed{r=8\text{ or }r=7}

so that y_1=x^8 and y_2=x^7 are two fundamental solutions to the ODE. Thus the general solution is

\boxed{y(x)=C_1x^8+C_2x^7}

Given that y(1)=4 and y'(1)=3, we get

\begin{cases}4=C_1+C_2\\3=8C_1+7C_2\end{cases}\implies C_1=-25\text{ and }C_2=29

So the particular solution is

\boxed{y(x)=29x^7-25x^8}

4 0
4 years ago
The sum of two numbers is 2. The sum of three times the larger and twice the smaller is 14. Find the numbers.
anzhelika [568]

For this case we have to:

x: Be the variable that represents the largest number

y: Be the variable that represents the smallest number

We propose a system of equations:

x + y = 2\\3x + 2y = 14

From the first equation we have to:

x = 2-y

Substituting in the second equation:

3 (2-y) + 2y = 14\\6-3y + 2y = 14\\6-y = 14\\-y = 14-6\\-y = 8\\y = -8

We look for the value of "x":

x = 2 - (- 8)\\x = 2 + 8\\x = 10

Answer:x = 10\\y = -8

8 0
3 years ago
Can someone help me out with this picture listed above??
Kay [80]

Answer:

Step-by-step explanation:

This is an exponential decay, because the base is fraction < 1

8 0
3 years ago
3) 2d + 17-3-20 + 4d<br>need help please​
-BARSIC- [3]

Answer:

=6d−6

Step-by-step explanation:

Let's simplify step-by-step.

2d+17−3−20+4d

=2d+17+−3+−20+4d

Combine Like Terms:

=2d+17+−3+−20+4d

=(2d+4d)+(17+−3+−20)

=6d+−6

Answer:

=6d−6

3 0
3 years ago
Read 2 more answers
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