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Nadusha1986 [10]
3 years ago
11

The phrase "eight more than a number" can be written as which variables expression?

Mathematics
1 answer:
WITCHER [35]3 years ago
7 0

the answer is C.)x+8

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Mason will use a 1/3 gallon pitcher to fill an empty 3/4 gallon water jug. How much water will he need in order to completely fi
kirza4 [7]

Answer:

It's 1/2  I found this out by subtracting 3/4 - 1/3= 5/12 and if you put that into a decimal it would be .41. So that 1/4= .25 and 1/2= .50. You could figure out that it’s closed to 1/2.

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Hellp by the way this is homewoerk
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Is quadrilateral JKLM the result of a dilation of quadrilateral ABCD by a scale factor of 2? Why or why not? Yes, because sides
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4x+100 6x+216 find x
Lemur [1.5K]

Answer:

4x=100+6x=216=

Step-by-step explanation:

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6 0
3 years ago
If a and b are the roots of 11x^2-4x-2=0 then compute the product: (1+a+a^2+...)(1+b+b^2+...)
lisov135 [29]

Answer:

11/5

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FirLet a and b be the roots of 11x^2-4x-2=0

Now(1+a+a^2+\cdots)(1+b+b^2+\dcots)=\frac{1}{1-a}\cdot \frac{1}{1-b}\\=\frac{1}{(1-a)(1-b)}=\frac{1}{1-(a+b)+ab}

Dividing the quadratic equation by 11 we have

x^2-\frac{4}{11}x-\frac{2}{11}=0.

Now the sum of the roots is the minus of the coefficient of x and the product of the roots is the constant. Therefore

a+b = 4/11 \\ab = -2/11

and we have

\frac{1}{(1-a)(1-b)}=\frac{1}{1-\frac{4}{11}-\frac{2}{11}}\\=\frac{1}{(5/11)}=\frac{11}{5}

6 0
3 years ago
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