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Tanya [424]
2 years ago
7

50 POINTS!

Mathematics
2 answers:
Sphinxa [80]2 years ago
5 0

Answer:

I think its B hope this helps

goldfiish [28.3K]2 years ago
4 0

Answer:B

Step-by-step explanation: i got a 100

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Find a degree 3 polynomial having zeros -5, 1 and 5 and the coefficient of x^3 equal 1
mote1985 [20]

Answer:

x^3 -x^2 -25x +25

Step-by-step explanation:

\text{The roots are,}~ \alpha  = -5,~ \beta = 1 ~ \text{and}~ \gamma = 5\\\\\text{The polynomial is,}\\\\~~~x^3 - (\alpha + \beta + \gamma)x^2+(\alpha \beta + \beta \gamma+ \gamma \alpha)x - \alpha\beta \gamma\\\\=x^3 - (-5+1+5)x^2 +(-5 \cdot 1 + 1 \cdot 5 + 5 \cdot -5)x - (-5)(1)(5)\\\\=x^3 -(0+1)x^2 + (-5+5-25)x +25\\\\=x^3 -x^2 -25x +25

7 0
2 years ago
Aliens spotted! They have pulled up 97 chickens, 47 cows, and 77 humans. What is the probability, if they randomly select from a
emmainna [20.7K]
The answer would be 0.34. Theres 77 humans out of 221 beings, which means 77/221. Simplifying this fraction gives us 0.34.
4 0
3 years ago
Expand it <br> (2/7z -3/5x)2
svet-max [94.6K]
( 2 / 7 z - 3 / 5 x ) 2
3 0
3 years ago
A landscaping company charges $50 per cubic yard of mulch plus a delivery charge of $24. Find a
Zigmanuir [339]

Answer: c(x) = $50*x + $24

Step-by-step explanation:

First, this situation can be modeled with a linear equation like:

c(x) = s*x + b

where c is the cost, s is the slope, x is the number of cubic yards of mulch bought, and b is the y-intercept ( a constant that no depends on the number x)

Then we know that:

The company charges $50 per cubic yard, so the slope is $50

A delivery charge of $24, this delivery charge does not depend on x, so this is the y-intercept.

Then our equation is:

c(x) = $50*x + $24

This is:

"The cost of buying x cubic yards of mulch"

5 0
2 years ago
What is the answer to 5 1 x 10=when it involves multiplication do you times first and then add?
fiasKO [112]
5+1 times 10=???

order of operations
multiplcation comes before addition
so yes, multiply first

5+1 times 10=5+10=15
7 0
3 years ago
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