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AnnyKZ [126]
2 years ago
11

Factor completely: 3x^5 + 9x^3 + 12x

Mathematics
1 answer:
julsineya [31]2 years ago
3 0
Attached is a picture of my answer.
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Consider the line: y= -7/2x-7 find the equation of the line that is perpendicular and parallel to this line that passes through
saveliy_v [14]

Answer:

=5

Step-by-step explanation:

(5)=-7/2(-2)-7

5=7-7

=5

3 0
3 years ago
Solve the right triangle. round your answers to the nearest tenth. help.
hammer [34]

Answer:

19.2

Step-by-step explanation:

Cosine rule :

\sqrt{a^{2} +b^{2} ﹣2abcos(angle ) }

c will always be the hypotenuse.

a and b can be any if the opposite or the adjacent.

{15}^{2}  + 12^{2}  - 2 \times 15 \times 12 \times  \cos(90)  = 369

\sqrt{369}=19.20937...

8 0
2 years ago
Which of the following is a monomial?
UkoKoshka [18]

Answer:

It is D. ,C B

Step-by-step explanation:

Mono means single/one but binomial is only first because binomial is only (... +...)

So monomials are B,C,D

5 0
3 years ago
What is an x-intercept
sergeinik [125]

An x-intercept is the poin where a graph that intercepts the x-axis. The graph can be a linear function (a line), a quadratic function (a parabola), Higher degree functions and so on.

8 0
3 years ago
Read 2 more answers
Estimate the solution to the following system of equations by graphing.
Mars2501 [29]

Solution of 9x+8y=26 and 3x+2y=9 are given by \mathbf{x=\frac{10}{3},y=-\frac{1}{2}}.

We have to plot the graphs of the given two lines or curves, then we have to find the intersection point(s) of the curves or lines. That point is the solution for the system of the equations.

Given equations are,

9x+8y=26 .................(1)

3x+2y=9 ...................(2)

Now multiplying 3 with (2) and then subtracting (1) from that we get,

3(3x+2y)-(9x+8y)=3\times9-26\\\Rightarrow9x+6y-9x-8y=27-26\\\Rightarrow-2y=1\\\Rightarrow y=\frac{-1}{2}

Substituting the value of y in (1) we get,

9x+8\times\frac{-1}{2}=26\\\Rightarrow9x-4=26\\\Rightarrow9x=26+4\\\Rightarrow x=\frac{30}{9}=\frac{10}{3}

Also if we draw the graphs of the given equations by using graphing calculator we get,

Here in the graph we can see that the lines represented by the given equations intersects each other at point \left(\frac{10}{3},-\frac{1}{2}\right).

Hence the solution is x=\frac{10}{3},y=-\frac{1}{2}.

Learn more about System of equations here -

brainly.com/question/1365672

#SPJ10

4 0
1 year ago
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