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3 years ago

6

Ken paid $12 for two magazines the cost of each magazine was a multiple of three dollars what are the possible prices of the mag

azines

1 answer:

cupoosta [38]3 years ago

8 0

My best guess would be that each magazine would cost $4.00

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F(x)=1/3x4x^ <br> How do I find F(4)

djverab [1.8K]

Assuming yo meant
f(x)=(1/3)4x²

sub 4 for x
f(4)=(1/3)4(4)²
f(4)=(1/3)4(16)
f(4)=(1/3)64
f(4)=64/3

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3 years ago

Divide.<br><br> −3.52−2.2<br><br> What is the quotient?

vodka [1.7K]

Answer:

$- 5.72$

Step-by-step explanation:

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3 years ago

Emily has 2/8 cups of sugar. Amelia has 1/2 cup of sugar. How many cups of sugar do they have altogether? Provide your answer in

algol13

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3/4 ths

Step-by-step explanation:

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3 years ago

3x+5y-4=0<br> what is the slope and y-intercept?

zaharov [31]

Answer:

$3x + 5y - 4 = 0 \\ 3x + 5y = 4 \\ 5y = 4 - 3x \\ y = \frac{4}{5} - \frac{3}{5} x \\ y = mx + c \\ slope = m = \frac{ - 3}{5} \\ y \: intersept = c = \frac{4}{5} \\ thank \: you$

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3 years ago

Prove that triangle with side lengths of x^2-1, 2x, x^2+1 is a right triangle.

Brrunno [24]

Right triangles must follow the pythagorean theorem, so a^2+b^2=c^2.

Let's find a^2 and b^2 by squaring the first 2 side lengths.

(x^2-1)^2= x^4-2x^2+1
(2x)^2= 4x^2

Then add the two to find c^2
x^4+ 2x^2 +1= c^2

Root both sides
x^2+1=c

Since the side lengths can be plugged into the pythagorean theorem, the side lengths must represent a right triangle.
Hope this helps!

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3 years ago