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trapecia [35]
3 years ago
11

The rabbit population in a certain area is 200% of last year’s population. There are 1,100 rabbits this year. How many were ther

e last year?

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
5 0

Answer:

1100/2 = 550

Step-by-step explanation:

A percent increase of 200% is equal to multiplying by 2. Therefore, we can divide by two to reverse the increase.

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Determine the equation for the line of best fit using (1996,47) (2012,41)
Natasha2012 [34]

Answer:

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Step-by-step explanation:

fgdhfdgjytdjdfty

8 0
3 years ago
Please help! A-level maths.
astra-53 [7]

x+y=k\implies y=k-x

Substitute this into the parabolic equation,

k-x=6-(x-3)^2\implies x^2-7x+(k+3)=0

We're told the line x+y=k intersects C twice, which means the quadratic above has two distinct real solutions. Its discriminant must then be positive, so we know

(-7)^2-4(k+3)=49-4(k+3)>0\implies k

We can tell from the quadratic equation that C has its vertex at the point (3, 6). Also, note that

-1\le\sin t\le1\implies3\le3+2\sin t\le5\implies3\le x\le5

and

-1\le\cos2t\le1\implies2\le4+2\cos2t\le6\implies2\le y\le6

so the furthest to the right that C extends is the point (5, 2). The line x+y=k passes through this point for 2+5=k\implies k=7. For any value of k, the line x+y=k passes through C either only once, or not at all.

So 7\le k; in set notation,

\{k\mid 7\le k

4 0
3 years ago
Giventhat : APRQ ~AD<br> What is m
kow [346]

Answer:

∠D = 56°

∠D = 180° - (35° + 89°) = 56°

5 0
3 years ago
PLEASE HELP ME <br><br><br><br> Find the slope and y-intercept of the following graph.
Ronch [10]
The y-intercept is 2 and the Slope is 2/4 but if you simplify that, it will be 1/2.
8 0
3 years ago
Help please and thank you
Lostsunrise [7]
The key term here is inverse variation - that is, two or more variables must multiply to a certain product.
So, let's multiply 12 and 8. We get 96.
The correct pair must contain factors of 96.
16 and 6 are factors of 96, so the answer is (D).
4 0
3 years ago
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