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Zepler [3.9K]
3 years ago
10

Please please help me​

Mathematics
2 answers:
Colt1911 [192]3 years ago
7 0

Answer:

13 and 16 are functions.

If the x does not repeat,it is a function

pychu [463]3 years ago
3 0
14 and 15 are not functions while 13 and 16 are functions
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Helaine graphed the equation 12x – 4y = 3. What was the slope of Helaine’s line?\
Bess [88]

Answer:

\large\boxed{\text{The slope}\ m=3}

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

m - slope

b - y-intercept

We have the equation of a line in the standard form:

12x-4y=3

Convert to the slope-intercept form:

12x-4y=3         <em>subtract 12x from both sides</em>

-4y=-12x+3        <em>divide both sides by (-4)</em>

y=\dfrac{-12}{-4}x+\dfrac{3}{-4}\\\\y=3x-\dfrac{3}{4}

5 0
4 years ago
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Kala took out a loan for 5 months and was charged simple interest at an annual rate of 6 % . If the amount of the loan was $ 400
Brut [27]

Answer:

$10

Step-by-step explanation:

Interest rate of 6% means ,She had to pay 6 percent of $400 in a year as Interest

Which is 6×\frac{400}{100} = $ 24 (In 12 months)

So, In one month she had to pay $2.

Thus,

In 5 months she had to pay $10 as Interest

6 0
3 years ago
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PLZZZZZZZZZ HELP!!!!!!!!!!
DiKsa [7]
The answer is B. Hope this helps!
4 0
3 years ago
You are running a concession stand at a basketball game. You are selling hot dogs and sodas. Each hot dog costs $1.50 and each s
DochEvi [55]

Answer:

<u>x= 35 hot dogs</u>

<u>y= 52 soda</u>

Step-by-step explanation:

x= hot dogs

y= soda

Total sold

1 x + 1 y = 87 .............1

2 x 0.50 y = 78.50 .............2

Eliminate y

multiply (1)by -0.50

Multiply (2) by 1.00

-0.50 x -0.50 y = -43.50

2 x + 0.50 y = 78.50

Add the two equations

1 x = 35.00

/ 1

x = 35.00

plug value of x in (1)

1 x + 1 y = 87

35 + y = 87

y = 87 -35

y = 52

y = 52.00

x= 35 hot dogs

y= 52 soda

6 0
3 years ago
Use a property to write an equivalent expression.<br><br> 8 + y + 6
stepladder [879]

Answer:

14+y

Step-by-step explanation:

5 0
3 years ago
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