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HACTEHA [7]
2 years ago
10

Lukas is trying to lose weight. He starts the year

Mathematics
2 answers:
podryga [215]2 years ago
6 0

Answer:

A

Step-by-step explanation:

AlekseyPX2 years ago
5 0

Answer:

a

Step-by-step explanation:

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Draw 6 circles.<br> Make 3 groups.<br> Shade 1 group.
krek1111 [17]

Answer:

ummm I think this is obvious

Step-by-step explanation:

2 circles in each group, shade in one group of 2.

7 0
2 years ago
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A fish tank has black and white fish in the ratio of 2 to 6 as shown below Which is another ratio that can describe the black to
ira [324]
1:3, Because you can simplify the numbers by dividing by two.
 
8 0
3 years ago
Find all the zeros of the function <br> g(x)=x^3-4x^2-x+22
vagabundo [1.1K]

Answer:

x = -2, x = 3 − i√8, and x = 3 + i√8

Step-by-step explanation:

g(x) = x³ − 4x² − x + 22

This is a cubic equation, so it must have either 1 or 3 real roots.

Using rational root theorem, we can check if any of those real roots are rational.  Possible rational roots are ±1, ±2, ±11, and ±22.

g(-1) = 18

g(1) = 18

g(-2) = 0

g(2) = 12

g(-11) = 1782

g(11) = 858

g(-22) = -12540

g(22) = 8712

We know -2 is a root.  The other two roots are irrational.  To find them, we must find the other factor of g(x).  We can do this using long division, or we can factor using grouping.

g(x) = x³ − 4x² − 12x + 11x + 22

g(x) = x (x² − 4x − 12) + 11 (x + 2)

g(x) = x (x − 6) (x + 2) + 11 (x + 2)

g(x) = (x (x − 6) + 11) (x + 2)

g(x) = (x² − 6x + 11) (x + 2)

x² − 6x + 11 = 0

Quadratic formula:

x = [ 6 ± √(36 − 4(1)(11)) ] / 2

x = (6 ± 2i√8) / 2

x = 3 ± i√8

The three roots are x = -2, x = 3 − i√8, and x = 3 + i√8.

5 0
3 years ago
What is the GCF of 8,12,16
skad [1K]

Answer:

4

Step-by-step explanation:

3 0
3 years ago
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HELP PLEASE. Two points are 17 units apart on a number line. The coordinate of one point is -20.
cluponka [151]

Answer: -37 & -3

Step-by-step explanation:

-20-17= -37

-20+17= -3

5 0
2 years ago
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