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3 years ago

Fourth roots of 256 help me

Mathematics

2 answers:

alexandr402 [8]3 years ago

5 0

Answer:

±4

Step-by-step explanation:

Note that 4^2 = 16 and that (4^2)^2 = 16^2 = 256. Thus, 4^4 = 256.

Taking the fourth root of 256, we get ±4.

omeli [17]3 years ago

3 0

Answer:

Fourth root of 256 is ±4.

hope this helps

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you bought 5 chocolate bars and 8 blow pops for $23.25 your sister bought 2 chocolate bars and 13 blow pops for 21.55 how much d

kirza4 [7]

Answer:

$2.65

Step-by-step explanation:

Let chocolate bar = c and blow pops = b

As per given we have equations below:

5c + 8b = 23.25
2c + 13b = 21.55

13 times the first equation minus 8 times the second to eliminate b and find c:

13(5c + 8b) - 8(2c + 13b) = 13(23.25) - 8(21.55)
65c - 16c = 129.85
49c = 129.85
c = 129.85/49
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Each chocolate bar costs $2.65

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2 years ago

Which graph shows the equation c = 10+ 3t, where c is the total cost of going to the carnival and t is the number of $3 tickets

lubasha [3.4K]

we have

$c = 10+ 3t$

where

c---------> is the total cost of going to the carnival

t---------> is the number of $\$3$ tickets purchased

we know that

the domain of the function is the interval---------------> [0,∞)

Because the number of tickets can not be negative

The range of the function is the interval-------------> [10,∞)

Because the total cost can not be negative

using a graph tool

see the attached figure

The answer in the attached figure

7 0

2 years ago

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What is the factor of 16

insens350 [35]

1x16
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is the answer

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3 years ago

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Because sample means were being tested, the is used to calculate the z-score.

jasenka [17]

Answer:

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Step-by-step explanation:

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3 years ago

1. -2x(x+3)-(x+1)(x-2) =

Simora [160]

Answer:

$-3x^2 -7x + 2$

Step-by-step explanation:

Given

$-2x(x + 3) - (x+1)(x - 2)$

Required

Solve

Open brackets

$-2x^2 -6x - (x^2-2x + x - 2)$

$-2x^2 -6x - x^2-2x + x + 2$

Collect like terms

$- x^2-2x^2 -6x -2x + x + 2$

$-3x^2 -7x + 2$

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2 years ago