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3 years ago

14

write a function for this table -- urgent -- I'm putting all my points into this!!!! -- bad answers reported! -- no explanation

necessary

1 answer:

viktelen [127]3 years ago

8 0

Answer:

$3x^{2} -3x-6$

Step-by-step explanation:

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4a^2-20a+24+6y-9y^2<br>

lakkis [162]

What do you mean by ^

7 0

3 years ago

Read 2 more answers

It costs twelve dollars to get in to the fair. Tickets for rides cost extra and are d dollars each,

atroni [7]

I think it’s 20d-$12
Hope this helps!

6 0

3 years ago

If root x+9=root 784, the value of x

vfiekz [6]

Answer:

on squaring complete term

x + 81 = 784

x = 784 - 81

x = 703

Step-by-step explanation:

8 0

3 years ago

Is y=33x proportional or non proportional

DochEvi [55]

Answer:

proportional

Step-by-step explanation:

6 0

3 years ago

To determine whether they need to hire extra help for the holiday season, the managers of a railroad company want to estimate ho

nadezda [96]

Answer:

36

Step-by-step explanation:

Data provided in the question:

Standard error = 1.5 minutes ( ∵ number are repetitive 1.51.5 )

Standard deviation = 9 minutes ( ∵ number are repetitive 99 )

Now,

Standard error = ( Standard deviation ) ÷ √n

Here,

n is the sample size

Therefore,

on substituting the respective values, we get

1.5 = 9 ÷ √n

or

√n = 9 ÷ 1.5

or

√n = 6

or

n = 6² = 36

3 0

4 years ago