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lapo4ka [179]
3 years ago
15

Help me :)))))))))))) u valid if u help me

Mathematics
2 answers:
WARRIOR [948]3 years ago
7 0
The correct answer to this question is C.. K=8
ololo11 [35]3 years ago
5 0

Answer:

option c : k = 8

Step-by-step explanation:

Given ( x+ 2 ) is a factor of f(x) , that is f( -2 ) = 0

f(x) = x^3 -9x^2 + kx + 6 0\\\\f(-2) =0\\\\(-2)^3 - 9(-2^2) + k (-2) + 60 = 0\\\\-8 - 36 -2k + 60 = 0\\\\-2k + 16 = 0\\\\-2k = -16\\\\k = \frac{-16}{-2} = 8

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blsea [12.9K]

Step-by-step explanation:

since there are z fishes

the number of angelfish = <u>1</u><u> </u> × z

4

= <u>1</u><u> </u>z

4

7 0
2 years ago
Read 2 more answers
Dan gets pic 'n mix when at the cinema and makes his bag up with 3 types of sweet. He picks 3 times as many cola bottles as smar
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Answer:

1/6

Step-by-step explanation:

Let

c-----> the number of cola bottles that Dan picks

s ----> the number of smarties that Dan picks

m ---> the number of marshmallows that Dan picks

we know that

c=3s ----> equation A

m=2s ---> equation B

we know that

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(c+s+m)

substitute equation A and equation B in the total of sweets

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s/6s

Simplify

1/6

3 0
3 years ago
I need help on number 2
Black_prince [1.1K]
First I subtracted the tip: 53.70-9.60=44.10 and then I divided that by 2 because each one of them payed equal amount:44.10/2=22.05. They each payed $22.05
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3 years ago
Cindy has a jar of mixed nuts. There are two pecans, three peanuts, and one cashew in the jar. Cindy grabs two nuts and gives th
masha68 [24]
The answer would have to be D 1/4
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4 years ago
Let r(d) represent the monthly revenue, in dollars, from selling skateboards when the price of a skateboard has been decreased b
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Answer:

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Hope this helps!

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3 years ago
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