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rosijanka [135]
3 years ago
13

Which statement makes the best open sentence 3x + 9 = 24 true?

Mathematics
1 answer:
Alisiya [41]3 years ago
8 0
3x = 24 - 9
3x = 15
x = 15/3
x = 5

Answer: B) x= 5 or the second option.
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A company makes video games. The price of a video game is modeled by the function p(x) = 30x + 2, where x is the number of years
atroni [7]

The answer is option C "multiplication." You have the function p(x) = 30x + 2 and x equals the number of years since the company started producing games which has this equation also s(x) = 500x + 250 in order to find the revenue from their video games the company should use the multiplication on the polynomials.

Hope this helps!


4 0
3 years ago
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What is the opposite integer of 10
NeX [460]
Since 10 is a positive the opposite must be negative. Opposite integer of 10 is -10 ( negative 10).

Happy studying ^-^
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Put Them in The box They Go in
pav-90 [236]

Answer:

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3 years ago
Help please. I need the answer
grandymaker [24]

Answer:

y=-2/3x+6

Step-by-step explanation:

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6 0
3 years ago
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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
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