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xeze [42]
2 years ago
14

The ordered pair (3,9) is a solution to the following system of equations.

Mathematics
1 answer:
nevsk [136]2 years ago
7 0
The answer to the question is: true
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4th term of (4x-y)^9
Neko [114]
Now, let's do the same as we did for the previous one here.

\bf (4x-y)^9\implies 
\begin{array}{llll}
term&coefficient&value\\
-----&-----&-----\\
1&+1&(4x)^9(-y)^0\\
2&+9&(4x)^8(-y)^1\\
3&+36&(4x)^7(-y)^2\\
4&+84&(4x)^6(-y)^3
\end{array}

notice again, how did we get 84 for the 4th element's coefficient? well 36 * 7 / 3.  and so on.  And you can just expand it from there.
3 0
3 years ago
Vanessa throws a tennis ball in the air. the function h(t) = -16t2 + 45t + 7 represents the distance, in feet, that the ball is
antiseptic1488 [7]
Given that height, h(t) of a tennis ball is modeled by the equation h(t)=<span>-16t^2 + 45t + 7, the time taken for the ball to reach maximum height will found as follows:
at maximum height:
h'(t)=0
but from the equation:
h'(t)=-32t+45=0
solving for t we get
t=45/32
t=1.40625~1.4 seconds
Thus the time taken to reach maximum height is 1.4 seconds


</span>
4 0
3 years ago
For a bake sale, Trisha wants to make between 144 and 168 cookies. She already has 24 cookies made and has 4 hours left to bake
mafiozo [28]
She sold 57 cookies 57 will be the awnser
5 0
3 years ago
What's the approximate value of e?
VikaD [51]

Answer:

  (b)  2.71828 . . .

Step-by-step explanation:

If your calculator does not have an 'e' button, you can have it compute e^1 using the exponential function button.

__

  e ≈ 2.718281828459045...

__

Like pi, 'e' is a transcendental number, a number that is not the root of any polynomial with integer coefficients.

3 0
2 years ago
Order -6 1/4, -6.35, -6 1/5, and 6.1 from greatest to least. Explain.
san4es73 [151]
If you turn all the numbers into decimals it becomes, -6.25, -6.35, -6.20, and, 6.1 so in order it would go 6.1, -6.20, -6.25, -6.35
3 0
3 years ago
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