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3 years ago

8

Triangle ABC is graphed on a coordinate plane with vertices at A (-3,7), B (9,-8), and

1 answer:

garri49 [273]3 years ago

6 0

Answer:

Step-by-step explanation:

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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

A restaurant offers 4 pasta meals, 5 seafood meals, and 6 burgers for its main courses. If a diner picks a meal at random, what

jeka94

Answer: 5/15 or 1/3 reduced

hope this helps :)

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3 years ago

In a group of Year 9 students, the ratio of boys to girls is 9 : 7. There are 4 more boys than girls in this group. How many stu

KATRIN_1 [288]

Answer: 32

Step-by-step explanation:

There are 18 boys and 14 girls (4 more boys than girls. 32 students total.

7 0

3 years ago

27-4(26-2×3)to the 2nd power

Svetlanka [38]

First do the ones in the parentheses. So, 2x3=6. 26-6=20. 20^2=400. Now you have 27-4x400. 4x400=1600. 27-1600=-1573.

5 0

3 years ago

Read 2 more answers

A survey of 73 people reported that 32 of them preferred juice to milk.

Gnesinka [82]

About 100. (Im not quite sure)

8 0

3 years ago

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