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Shtirlitz [24]
3 years ago
9

I need help on those two!!!

Mathematics
1 answer:
larisa86 [58]3 years ago
4 0

Answer:

8. B

9. A

Step-by-step explanation:

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Which of the following polynomials have degree 5?
saw5 [17]

Answer:

lll

Step-by-step explanation:

*dab

it feels good to know the answer

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3 years ago
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PLEASE HELPPPP ! 16^x=64^x+4
Vladimir [108]

Answer:

x = -12

Step-by-step explanation:

Set logs up on both sides-

log 16^x = log 64^x+4

The variable goes behind because of the exponent log <em>property</em> (exponents are permitted to go behind the log to multiply)-

x * log 16 = x + 4 * log 64

Divide both logs out-

log 64/log 16 = 1.5

Simplify-

x = x+4(1.5)

1.5x + 6 = x

Remove 1.5-

1 - 1.5 = -.5x

Simplify-

-.5x = 6

Divide both sides-

6/-.5x = -12

Hence, the answer would be -12

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3 years ago
What is the maximum number of real distinct roots that a quartic equation can have?
choli [55]
An nth degree<span> polynomial can have as many as n real roots.</span>
6 0
3 years ago
A $10 shirt was sold for $16. What was the percent of<br><br> change?
zloy xaker [14]

Answer:

62.5%

Step-by-step explanation:

10x100 divded by 16 =62.5

3 0
2 years ago
Find the equation of a line that goes through the points (-3,5) and (5,-11)
Rasek [7]

(\stackrel{x_1}{-3}~,~\stackrel{y_1}{5})\qquad (\stackrel{x_2}{5}~,~\stackrel{y_2}{-11}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-11}-\stackrel{y1}{5}}}{\underset{run} {\underset{x_2}{5}-\underset{x_1}{(-3)}}}\implies \cfrac{-16}{5+3}\implies \cfrac{-16}{8}\implies -2

\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{5}=\stackrel{m}{-2}(x-\stackrel{x_1}{(-3)}) \\\\\\ y-5-2(x+3)\implies y-5=-2x-6\implies y=-2x-1

3 0
2 years ago
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