3 years ago

Is this polynomial positive or negative?

Mathematics

1 answer:

Keith_Richards [23]3 years ago

5 0

Answer:

The polynomial is positive.

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What is the value of x?

Novay_Z [31]

Answer:

Step-by-step explanation:

DE*s=BA 24*s=35 s=35/24

(3x+7)35/24=6x-5

35/8x+5/24=6x-5

-5/24 -5/24

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3 years ago

Solve x2 = 12x - 15 by completing the square. Which is the solution set of the equation?

Novosadov [1.4K]

Answer:

(6-√21, 6+√21)

Step-by-step explanation:

x^2 - 12x = -15

(x - 6)^2 - 36 = -15

(x - 6)^2 = 21

x - 6 = ± √21

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3 years ago

Kylie buys a ceramic case priced at $75. Shipping and handling are an additional 9 2/5% of the price. How much shopping and hand

salantis [7]

$\bf \begin{array}{ccllll}
amount&\%\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
75&100\\
x&9\frac{2}{5}
\end{array}\implies \cfrac{75}{x}=\cfrac{100}{9\frac{2}{5}}\implies \cfrac{75}{x}=\cfrac{100}{\frac{9\cdot 5+2}{5}}$

$\bf \cfrac{75}{x}=\cfrac{\frac{100}{1}}{\frac{47}{5}}\implies \cfrac{75}{x}=\cfrac{100}{1}\cdot \cfrac{5}{47}\implies \cfrac{75}{x}=\cfrac{500}{47}\implies 75\cdot 47=500\cdot x
\\\\\\
\cfrac{3525}{500}=x\implies \cfrac{141}{20}=x\implies 7.05=x$

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3 years ago

Work out the height of this triangle with base, b = 8mm and area, A= 218.8mm2.

Vinil7 [7]

Answer:

54.7

Step-by-step explanation:

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3 years ago

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Change the following improper to mixed plz help quick! 1. 8/3 2. 9/4 3. 12/5

gayaneshka [121]

Answer:

Improper Fractions:

Step-by-step explanation:

1. 2 and 2/3

2. 2 and 1/4

3. 2 and 2/5

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3 years ago

Is this polynomial positive or negative? ​

Is this polynomial positive or negative?