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IRISSAK [1]
2 years ago
9

PLZ HELP ME WITH THIS!!! I WOULD MARK YOU BRAINLIEST!!!

Mathematics
2 answers:
Novay_Z [31]2 years ago
7 0

the answer will be 2.5 hope that helps you

mr Goodwill [35]2 years ago
7 0

Answer:

2.5 or in other terms 2 1/2

Step-by-step explanation:

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Write the equation of a polynomial of degree 3, with zeros 1, 2 and -1 where f(0)=2
ser-zykov [4K]

Answer:

f(x) = x^3 - 2x^2 - x + 2

Step-by-step explanation:

since the zeroes are 1,-1, and 2. we can write the function like

f(x) = (x-1)(x+1)(x-2)

f(x) = (x^2-1)(x-2)

f(x) = x^3 -2x^2 -x +2

and it is true that f(0)=2

4 0
3 years ago
The scatter plot shows the first-year income for 15 people, based on the number of years of school they each had after high scho
notsponge [240]

Answer:

C.

Step-by-step explanation:

the answer is C. because if you notice how on the scattered graph the numbers go from 0-9 and 0-90. on C. it says 0years which will have an income of 8,000 dollars. divide and multiply and then switch flip.

4 0
2 years ago
Read 2 more answers
What is the midpoint between the points (1, 4) and (-3, 2)?
emmasim [6.3K]
\bf \textit{middle point of 2 points }\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%  (a,b)
&({{ 1}}\quad ,&{{ 4}})\quad 
%  (c,d)
&({{ -3}}\quad ,&{{ 2}})
\end{array}\qquad
%   coordinates of midpoint 
\left(\cfrac{{{ x_2}} + {{ x_1}}}{2}\quad ,\quad \cfrac{{{ y_2}} + {{ y_1}}}{2} \right)
\\\\\\
\left(\cfrac{{{ -3}} + {{ 1}}}{2}\quad ,\quad \cfrac{{{ 2}} + {{ 4}}}{2} \right)
6 0
3 years ago
Read 2 more answers
a polynomial function has -5<img src="https://tex.z-dn.net/?f=%5Csqrt%7B3t%7D" id="TexFormula1" title="\sqrt{3t}" alt="\sqrt{3t}
Goshia [24]

Answer:

5 \sqrt{3}i

Step-by-step explanation:

Assuming one root of a polynomial function is

- 5 \sqrt{3} i

Then the other root is

5 \sqrt{3}i

The reason is that , complex roots of polynomial functions occur in pairs.

One complex root is the conjugate of the other.

This means that, if

x -  yi

is a root, then

x  +  yi

is also a root.

8 0
3 years ago
A had $360 more than B. When A spent $144 and B spent half of his money, A had 6 times as much money as B, Find the ratio of the
Karolina [17]

Answer:

13:3

Step-by-step explanation:

A=x B=y

first; x= 360+y

later;x= 216+y

A:B

216+y: 1/2y = 6: 1

216+y/y÷2 =6/1

216+y = 3y

y = 108

first; x =360+y

360 +108

468

A:B = 468:108

13:3

3 0
3 years ago
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