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Marysya12 [62]
3 years ago
13

What are the values of a, b, and c in the quadratic equation 0 = = x2 – 3x – 2? a=1 h=30-2

Mathematics
1 answer:
jek_recluse [69]3 years ago
7 0

Answer:

  • a = 1
  • b = -3
  • c = -2

Step-by-step explanation:

The general form of a quadratic equation is often written as ...

  ax² +bx +c = 0

The references to "a", "b", and "c" are to the coefficients in this form. Comparing this to your equation ...

  x²-3x -2 = 0

we see that the coefficient of x², is 1, so a=1; the coefficient of x is -3, so b=-3, and the constant is -2, so c=-2.

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2x+ax=-10;     for x=-2, 
2(-2)+a(-2)=-10
-2a=-10+4
a=-6/-2
a=3
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The most logical answer is C, if you multiply the hours by the wages and then subtract the expenses you will reach C. 
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Can you put this into one sentence The Soviet team dominated the second period. The Americans scored twice in the last period. T
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4 0
3 years ago
Consider the formula P = \dfrac{ H\cdot d}{m}P=
Lilit [14]

Answer:

The productivity is measured in cubic meters per kilogram.

Step-by-step explanation:

For the formula for the productivity P of the camel

P = \dfrac{ H\cdot d}{m}

where  H is the area of the hump and is measured in square meters, d is the distance the camel can travel (measure in meters), and m is the mass of the camel (measured in kilograms kg ).

Then, the productivity of the camel is measure in

P=\dfrac{meters^2\:*meters}{kilograms}

P=\dfrac{m^3}{kg}

cubic meters per kilogram.

7 0
3 years ago
Read 2 more answers
The sum of 1/6,2/3, and 1/4 is
Bumek [7]

¹³/₁₂

<h3>Further explanation</h3>

<u>Given:</u>

\boxed{ \ \frac{1}{6} + \frac{2}{3} + \frac{1}{4} = ? \ }

  • A fraction represents part of a whole.
  • A fraction consists of a numerator and a denominator. i.e., \boxed{ \ \frac{numerator}{denominator} \ }.
  • The numerator = the number of equal parts of a whole.
  • The denominator = the total number of parts that make up said whole.

From the problems above, the denominator or the bottom numbers are still different. We use the Least Common Multiple (or LCM) to equalize the denominator.

  • Multiples of 3: \boxed{ \ \{3, 6, 9, 12, 15, ... \} \ }
  • Multiples of 4: \boxed{ \ \{4, 8, 12, 16, ... \} \ }
  • Multiples of 6: \boxed{ \ \{6, 12, 18, ... \} \ }

Hence, the LCM for 3, 4, and 6 is 12.

We change the denominator for each fraction to 12.

\boxed{ \ \frac{1}{6} \rightarrow \frac{multiply \ by \ 2}{multiply \ by \ 2} \rightarrow \frac{2}{12} \ }

\boxed{ \ \frac{2}{3} \rightarrow \frac{multiply \ by \ 4}{multiply \ by \ 4} \rightarrow \frac{8}{12} \ }

\boxed{ \ \frac{1}{4} \rightarrow \frac{multiply \ by \ 3}{multiply \ by \ 3} \rightarrow \frac{3}{12} \ }

Then we continue adding fractions.

\boxed{ \ \frac{1}{6} + \frac{2}{3} + \frac{1}{4} = \frac{2}{12} + \frac{8}{12} + \frac{3}{12} \ }

\boxed{ \ \frac{1}{6} + \frac{2}{3} + \frac{1}{4} = \boxed{ \ \frac{13}{12} \ } \ }

Thus, the result is \boxed{ \ \frac{13}{12} \ or \ 1\frac{1}{12}\ }

<h3>Learn more</h3>
  1. ²/₇m - ¹/₇= ³/₁₄ solve step by step brainly.com/question/4853649
  2. 100 is 1/10 of what? brainly.com/question/96535
  3. Mr. Frye distributed his money equally among his 4 children for their weekly allowance brainly.com/question/13174288#

Keywords: the sum of ¹/₆, ²/₃, and ¹/₄, fraction, adding, numerator, denominator, still different, LCM

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3 years ago
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