3 years ago

Evaluate f(x)=8x+9 when x=9

Mathematics

1 answer:

alukav5142 [94]3 years ago

5 0

go to math away website and type in your question, choose how you want it to be solved and you're done,

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What is the sum of the polynomials? 11x^2-5 + x+4

liraira [26]

Answer:

$11x^{2}+x-1$

Step-by-step explanation:

we have

$(11x^{2} -5) +(x+4)$

we know that

The sum of a quadratic equation and a linear equation will be a quadratic equation

Combine like terms

$(11x^{2})+(x)+(-5+4)$

$11x^{2}+x-1$

5 0

4 years ago

Read 2 more answers

How to do this one plz can u help me

masya89 [10]

Answer:

you type your answer into the computer and find the domin x intercept ect

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3 years ago

What is the equation that could be used to solve for x?

pashok25 [27]

Answer:

x=32

Step-by-step explanation:

I believe the angles are supplementary so you could use the equation:

2x+8 + 3x+22 = 180

5x+30=180

5x=160

x=32

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3 years ago

what is the area of a figure what is the area of a figure with a 16 inch base a 10 inch base and a height of 8 in on the left an

tensa zangetsu [6.8K]

So I’m thinking of this as two triangles. So I would do 16x8/2 which equals 64 and 10x6/2 which equals 30. So my guess is that the area is 94in^2. Hope this helps you out!

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3 years ago

Trying to find the equation to this problem 4X^2-4X+5=0

ollegr [7]

Answer:

x=1+2i/2

Step-by-step explanation:

Using the method of completing the square

(2x)²-2(2x)1 +(1)²+4=0

(2x-1)²=-4

taking square root on both sides

2x-1=2i

2x=1+2i

x=1+2i/2

3 0

4 years ago