2 years ago

Let T(x)=−6x4+x2−1 and U(x)=2x3−4x+3. Find T(x)−U(x).

Mathematics

1 answer:

Georgia [21]2 years ago

6 0

Answer:

The above answer is just enough

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The system of equations kx-5y = 2, 6x+2y = 7 has no solution, then k =

hoa [83]

Answer:

(d) -15

Step-by-step explanation:

Given system of equations are:

$\begin{cases}kx-5y=2\\\\6x+2y=7\end{cases}$

Since, given system of equations have no solution.

$\therefore \frac{k}{6}=\frac{-5}{2} \neq\frac{2}{7}$

$\implies \frac{k}{6}=\frac{-5}{2}$

$\implies k=\frac{6(-5)}{2}$

$\implies k=\frac{-30}{2}$

$\implies k=-15$

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3 years ago

Evaluate the expression 15 - n when n = 9

Margarita [4]

To do this, you simply need to substitute in 9 for n in the expression.

15 - n
= 15 - (9)
= 6

Hope this helps! :)

3 0

3 years ago

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What is the slope of a line that is parallel to the line y = -1/5 ?

Kisachek [45]

The line have a slope of 0.
The line parallel to this will also have a 0 slope.

7 0

3 years ago

Find h. 11 in. h = [?] in in. 14 in. PLEASE OH PLEASE HELP ME IM DESPERATE

Sliva [168]

11^2 = h^2 + ( 14/2)^2

11^2 = h^2 + 7^2

121 = h^2 + 49

h^2 = 121 - 49

h^2 = 72

h = √72

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3 years ago

An accountant has a daily rate of $1,200 per day. She works 8 hours per day. What is the accountant's hourly rate?

Andre45 [30]

1200/8=150 answer is 150

7 0

3 years ago