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3 years ago

An 8 pack of seltzer costs $40. What is the UNIT PRICE?

Mathematics

1 answer:

Nata [24]3 years ago

7 0

Answer:

5 dollars

Step-by-step explanation:

trust me

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What is the value of x in the equation .5x+.08=1.68? A.3.28 B.3.2 C. .88 D. .32

sveta [45]

Answer:

Step-by-step explanation:

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4 years ago

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Assuming all variables are positive, use properties of logarithms to write the expression as a sum or difference of logarithms o

schepotkina [342]

C) six times log base two of x times seven times log base two of y minus log base two of eight.

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4 years ago

X/x-2 + x-1/x+1= -1 Can someone walk me through the steps of this problem? Much appreciated. :)

stealth61 [152]

Answer:

x = 0 or x = 1

Step-by-step explanation:

Given equation:

$\dfrac{x}{x-2}+\dfrac{x-1}{x+1}=-1$

Multiply the two denominators to get the same denominator:

Multiply the numerator of the first fraction by the denominator of the second fraction to get the new numerator of the first fraction.

Multiply the numerator of the second fraction by the denominator of the first fraction to get the new numerator of the second fraction.

$\implies \dfrac{x(x+1)}{(x-2)(x+1)}+\dfrac{(x-2)(x-1)}{(x-2)(x+1)}=-1$

Add the numerators and keep the denominator so that there is now one fraction:

$\implies \dfrac{x(x+1)+(x-2)(x-1)}{(x-2)(x+1)}=-1$

Simplify the numerator by expanding the brackets:

$\implies \dfrac{x^2+x+x^2-3x+2}{(x-2)(x+1)}=-1$

$\implies \dfrac{2x^2-2x+2}{(x-2)(x+1)}=-1$

Simplify the denominator by expanding the brackets:

$\implies \dfrac{2x^2-2x+2}{x^2-x-2}=-1$

Multiply both sides by the denominator of the left side:

$\implies 2x^2-2x+2=-1(x^2-x-2)$

Simplify and move everything to the left side:

$\implies 2x^2-2x+2=-x^2+x+2$

$\implies 3x^2-3x=0$

Factor:

$\implies 3x(x-1)=0$

Therefore:

$\implies 3x=0 \implies x=0$

$\implies x-1=0 \implies x=1$

Therefore, x = 0 or x = 1

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2 years ago

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Work out the area of this circle.

Vlada [557]

Answer:

530.998cm^2

Step-by-step explanation:

General formula for the area of a circle is πr^2

And π is given to be 3.142

R is 13 cm

So let's apply the formula

Area=3.142×(13^2)

Area=3.142×169

Area=530.998cm^2

So the area of the circle is 530.998cm^2

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3 years ago

Identify all the points that are on the foll Gwing quadratic function: y -3x

Valentin [98]

Um use fled but bfthb 123 tgbs

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4 years ago