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Arturiano [62]
3 years ago
6

You can paint 75 square feet of a surface every 45 minutes. Determine how long it takes you to paint a wall with the given dimen

sions.
9 ft by 9 ft
Mathematics
1 answer:
Allisa [31]3 years ago
3 0

Answer:

25.2 min

Step-by-step explanation:

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Give the unit rate for the better deal.<br><br> $156<br> 4 g<br> or <br> $280<br> 7 g
Alexus [3.1K]

Answer:

$156 for 4 g

I did not rally understand how you worded your question so sorry if I got it wrong! <3

Step-by-step explanation:

$156 for 4 g =

$156 / 4 = $39 dollars for 1 g

$280 for 7 g =

$280/7 = $40 dollars for 1 g

8 0
3 years ago
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Determine whether −2 is a zero (root) of the function:
lianna [129]

Answer:

The answer to your question is No

Step-by-step explanation:

Data

function f(x) = 2x³ + x² - 10x - 12

To know if a number is a root of a function, evaluate the function on that number, if the result is zero, then that number is a root.

Substitution          

               f(-2) = 2(-2)³ + (-2)² - 10(-2) - 12

Simplification          

               f(-2) = 2(-8) + 4 + 20 - 12

               f(-2) = -16 + 4 + 20 - 12

               f(-2) = -28 + 24

               f(-2) = -4

-2 is not a root that the function.

5 0
3 years ago
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F(x) = -3x^2 + 6x. Find f(2).
inysia [295]

Answer:

f(2) = 0

Step-by-step explanation:

Evaluate the function at x = 2.

f(x) = -3x^2 + 6x

f(2) = -3(2^2) + 6 * 2

f(2) = -3(4) + 12

f(2) = 0

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3 years ago
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frozen [14]

Answer:

55555

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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