2 years ago

Determine all the zeros of p(x)=x^4-9x^2+20

Mathematics

1 answer:

Snowcat [4.5K]2 years ago

7 0

Answer:

ANSWER

Real roots

x=5

x=7

Complex roots

x=2+3–√i≈2.0+1.73205080756888i

x=2−3–√i≈2.0−1.73205080756888i

Step-by-step explanation:

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The greater rnge is the boys or the grls or neither as it is the same

maks197457 [2]

Range for boys = 20-8 = 12
Range for girls = 15-3 = 12
Range is same for both boys and girls.

median of boys = 12.5
median for girls = 6.5
Median is greater for the boys.

Hope it helps!

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7/8 is equal to 0.875

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Haruka hiked several kilometers in the morning. She only hiked 6 kilometers in the afternoon, which was 25% less she had hiked i

SOVA2 [1]

WEW can use a simple equation to solve this

Let x be the number of kilometers she hiked in the morning . Then

x - 0.25x = 6 (Note 0.25 = 25 %)

0.75x = 6

x = 6 / 0.75 = 8 kilometers answer

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3 years ago

I'm an idiot. How do you know the difference between a quadratic and exponential equation just by looking at it without a graph?

Zepler [3.9K]

Answer:

It's easy

Step-by-step explanation:

An exponential equation always has x as an exponent so just look for it

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3 years ago

Pedro makes a base monthly salary of $1500. As a vendor, he must sell $20000 worth of items per month. He also makes a 4% commis

Svet_ta [14]

Answer:

$2540

Step-by-step explanation:

Given parameters:

Base salary of Pedro = $1500

Amount of commission on sales = 4%

Sales = $26000

Unknown:

His total salary including base salary and commission = ?

Solution:

His total salary;

Total salary = Base Salary + (percent on commission x sales)

Total salary = $1500 + ( $\frac{4}{100}$ x $26000)

Total salary = $1500 + $1040

Total salary = $2540

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3 years ago