Help below its multiple choice

Mathematics

1 answer:

Scilla [17]3 years ago

4 0

I would think the answer would be complementary.

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Difference of squares 9x^2-4

Andrew [12]

(3x+2)(3x-2)

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3 years ago

HELP!! ASAP!!!!! Which system of equations below has infinitely many solutions?

KengaRu [80]

Hello,

Answer B since
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3 years ago

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Tanya’s swim club increased their $29 membership fee by $6 a year. What is the approximate percent increase in the membership fe

Sunny_sXe [5.5K]

Hello! The answer is definitely not C or D, because that's way too i God an increase for this type of setting. It increased by around 20%, because when 35 and 29 are divided and you multiply the decimal by 100, when you ignore the "1" at the front, it shows an approximate 20% increase. The answer is A.

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A salad bar offers vegetable platters in 4 sizes (small, medium, large, and super-sized) and 6 different vegetables to choose fr

quester [9]

Answer: She could create 60 platters.

Step-by-step explanation:

Given: A salad bar offers vegetable platters in 4 sizes (small, medium, large, and super-sized) and 6 different vegetables to choose from.

Number of combinations of selecting r things from n things is given by:-

$^nC_r=\dfrac{n!}{r!(n-r)!}$

So, the number of combinations of selecting 2 different vegetables from 6 = $^6C_2=\dfrac{6!}{2!4!}=\dfrac{6\times5}{2}=15$

Now, By Fundamental counting principle, the number of different platters she could create = (number of ways of selecting 2 different vegetables from 6) x (Number of sizes)

= 15 x 4

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Hence, she could create 60 platters.

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3 years ago

-3r + 7 - 3r - 12 in simplest form

Akimi4 [234]

Since the co-efficient or "r" is "-3" and "-3", it will simplify to "-6" as -3-3= -6.
then the two constant terms with are "7" and "-12" will simplify to "-5" as 7-12=-5. therefore, the simplest form is -6r -5

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3 years ago