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Oksanka [162]
3 years ago
11

Function or not a function

Mathematics
1 answer:
Tanzania [10]3 years ago
7 0
I think it’s a function
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Three times a number is 4 more than twice the number
Gelneren [198K]

Answer:

3n = 2n + 4

Step-by-step explanation:

That is that as an equation.

5 0
3 years ago
What is the factorization of the polynomial below?<br> x2 + 6x + 8
dexar [7]
8(x+1) is the answer
5 0
3 years ago
Solve x - 3 1/8 = 5/12
Anna007 [38]

Answer:

\large\boxed{x=\dfrac{85}{24}=3\dfrac{13}{24}}

Step-by-step explanation:

Convert the mixed number to the fraction:

3\dfrac{1}{8}=\dfrac{3\cdot8+1}{8}=\dfrac{25}{8}

METHOD 1:

x-3\dfrac{1}{8}=\dfrac{5}{12}\\\\x-\dfrac{25}{8}=\dfrac{5}{12}\\\\\text{the common denominator is 24}\\\\x-\dfrac{25}{8}=\dfrac{5}{12}\qquad\text{multiply both sides by 24}\\\\24x-(3)(25)=(2)(5)\\\\24x-75=10\qquad\text{add 75 to both sides}\\\\24x=85\qquad\text{divide both sides by 24}\\\\\boxed{x=\dfrac{85}{24}}

METHOD 2:

x-3\dfrac{1}{8}=\dfrac{5}{12}\qquad\text{add}\ 3\dfrac{1}{8}\ \text{to oboth sides}\\\\x=\dfrac{5}{12}+3\dfrac{1}{8}\\\\x=\dfrac{5\cdot2}{12\cdot2}+3\dfrac{1\cdot3}{8\cdot3}\\\\x=\dfrac{10}{24}+3\dfrac{3}{24}\\\\x=3\dfrac{10+3}{24}\\\\\boxed{x=3\dfrac{13}{24}}

7 0
4 years ago
Determine the equation
sergejj [24]

Answer:

y=\frac{3}{4} x-\frac{5}{4}

Step-by-step explanation:

two points on the line are

(-1, -2)

(-5, -5)

The slope:

m=\frac{-2-(-5)}{-1-(-5)} =\frac{-2+5}{-1+5} =\frac{3}{4}

The equation:

with (-1,-2)

y-(-2)=\frac{3}{4} (x-(-1))

y+2=\frac{3}{4} x+\frac{3}{4}

y=\frac{3}{4} x+\frac{3}{4} -\frac{8}{4}

y=\frac{3}{4} x-\frac{5}{4}

Hope this helps

8 0
3 years ago
Mia can purchase a 40 ounce jar of peanut butter for $5.20 or a 15 once jar for 2.70. how much does mia save per ounce by buying
melomori [17]
Cost per ounce for the 40-ounce peanut butter is 
$5.20/40 = $0.13
cost per ounce for the 15-ounce peanut butter is 
$2.70 / 15 = $ 0.18
Mia saves 5 cents or $0.05
7 0
4 years ago
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