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3 years ago

Which polynomials are in standard form?

Mathematics

1 answer:

Ksivusya [100]3 years ago

4 0

b/c when it's rearranged large to small

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What is equivalent to the complex number i^7

kati45 [8]

Answer:

I believe your answer is -i

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3 years ago

What is the slope of the line described by y=3x-6

aleksandrvk [35]

Answer:

The Slope: m=3

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2 years ago

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If 5 gallons cost $ 6.60 how much do 29 gallons of gasoline cost

ikadub [295]

Answer:

Should be 38.28

Step-by-step explanation:

Dividing 6.60 by 5 is $1.32, aka the cost of one gallon. multiply by 29, answer is that it costs $38.28 to get 29 gallons of gasoline.

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2 years ago

Which are the solutions of x2 = –7x – 8?

vovangra [49]

Answer:

The solutions are:

$x_1=\frac{-7+\sqrt{17}}{2}$ $x_2=\frac{-7-\sqrt{17}}{2}$

Step-by-step explanation:

We have the following quadratic equation

$x^2 = -7x - 8$

We can rewrite the equation as follows

$x^2+7x + 8=0$

Now we use the quadratic formula to solve the equation

For an equation of the form $ax ^ 2 + bx + c = 0$ the quadratic formula is:

$x=\frac{-b\±\sqrt{b^2-4ac}}{2a}$

In this case:

$a=1,\ b=7,\ c=8$

Then:

$x=\frac{-7\±\sqrt{7^2-4(1)(8)}}{2(1)}$

$x=\frac{-7\±\sqrt{49-32}}{2}$

$x=\frac{-7\±\sqrt{17}}{2}$

$x_1=\frac{-7+\sqrt{17}}{2}$

$x_2=\frac{-7-\sqrt{17}}{2}$

7 0

3 years ago

Read 2 more answers

Here is the final problem jaded

lana [24]

Answer:

x = 12.99

Step-by-step explanation:

Tan(33) = $\frac{x}{20}$

Tan(33) * 20 = x

12.99 = x

Hope this helps!

7 0

3 years ago