3 years ago

Which shows the equation of the line using function notation?

1 answer:

5 0

Hey there Smarty!

Your answer, would be the first option. I used a graphing calculater to recheck my work for this problem, and because of this reconfirmation, I concluded that you first answer would option (a).

Hope this helps you!

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What is the measure of XY

Nana76 [90]

Answer:

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Step-by-step explanation:

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3 years ago

A student has a 2% salt water solution and a 7% salt water solution. To best imitate salt water at a local beach, he needs 1 lit

FromTheMoon [43]

Let

x-------> the amount of $2\%$ solution

y--------> the amount of $7\%$ solution

we know that

$2\%=0.02\\7\%=0.07\\3.5\%=0.035$

$x+y=1$

$y=1-x$ -------> equation A

$0.02x+0.07y=0.035$ -------> equation B

substitute equation A in equation B

$0.02x+0.07(1-x)=0.035$

$0.02x+0.07-0.07x=0.035$

$0.05x=0.035$

$x=0.7\ liters$

find the value of y

$y=1-x$

$y=1-0.7=0.3\ liters$

therefore

The student need $0.7\ liters$ of $2\%$ solution and $0.3\ liters$ of $7\%$ solution

<u>the answer is</u>

A) The percent values were written incorrectly in the equation

B) The amount of 7% solution should be written as 1 – x, not x – 1.

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3 years ago

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Jamisha is solving the equation 4 ( x − 2 ) = 34 for x . Her work is shown in the table.

shtirl [24]

Answer:

Step-by-step explanation:

4x -8 = 34

4x = 42

x = 42/4 = 21/2 = 10.5

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3 years ago

Vicky is a cook at a diner. Before the diner opened, she used 12 eggs to make a large frittata that will be sold by the slice. S

DanielleElmas [232]

3x+12=39
Minors 12 on both side
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Divide 3 on both side
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2 years ago

Find the mode of this data set:<br> 31, 30, 32, 31, 30, 31, 32,<br> 33, 30, 31, 31, 30, 32

MariettaO [177]

Answer:

31 is the mode of the data as it appears 5 times

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3 years ago