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Masja [62]
2 years ago
14

Answer with steps please

Mathematics
2 answers:
kumpel [21]2 years ago
7 0

Answer:

Step-by-step explanation:

spayn [35]2 years ago
4 0

Answer:  \frac{-70a^3-195^2-20a-78}{60}  or  -\frac{7}{6} a^3-\frac{13}{4} a^2-\frac{1}{3} a-\frac{13}{10}  

When we say subtract this from that, the value or word after from is the one which is ahead of the equation. For example, subtract 9 from 10, then the expression will be 10-9 .  [Answer is 1]

The expression that can be formed from the picture is and the solution is shown in the steps below.

(\frac{a^3}{3} -\frac{3a^2}{4} -\frac{5}{2}) - (\frac{5a^2}{2} +\frac{3a^3}{2} +\frac{a}{3} -\frac{6}{5} )           [Formed the expression]
\frac{a^3}{3} -\frac{3a^2}{4} -\frac{5}{2} - \frac{5a^2}{2} -\frac{3a^3}{2} -\frac{a}{3} +\frac{6}{5}                 [Removed the brackets]
\frac{a^3-a}{3} +\frac{6}{5} -\frac{3a^2}{4} +\frac{-5a^2-3a^3-5}{2}       [Brought common denominators together]
\frac{20(a^3-a)}{60} +\frac{6*12}{60} -\frac{15(3a^2)}{60} +\frac{30(-5a^2-3a^3-5)}{60}       [LCM of 3,5,4 and 2]
\frac{20a^3-20a+72-45a^2-150a^2-90a^3-150}{60}                  [Multiplied the numerators]
\frac{-70a^3-195^2-20a-78}{60}                                                    [simplified]
-\frac{7}{6} a^3-\frac{13}{4} a^2-\frac{1}{3} a-\frac{13}{10}                                        [More simplified]

I tried my best to show my steps and solve it. Thank you.

 ∩_∩
(„• ֊ •„)♡
┏━∪∪━━━━┓
    hope it helped
┗━━━━━━━┛

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natima [27]

Answer:

because two angles are equal

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3 years ago
-9.3x+8.6y=45.1<br> 7.1x+1.7y=-17.9<br> What is x and y?
Veseljchak [2.6K]

Answer:

  (x, y) = (-3, 2)

Step-by-step explanation:

For equations that involve tedious math, I like to let a graphing calculator do it. The solution is ...

  (x, y) = (-3, 2)

_____

Fully equivalent to solution by elimination is the use of Cramer's rule. It tells you ...

  Δ = (-9.3)(1.7) -(7.1)(8.6) = -76.87

  x = ((45.1)(1.7) -(-17.9)(8.6)) / Δ = 230.61/-76.87 = -3

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The solution is (x, y) = (-3, 2).

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4 years ago
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drek231 [11]
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3 years ago
What is the slope of these points: (0,14) and (2,10)? Explain nicely please.
topjm [15]

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Step-by-step explanation:

We can use the slope formula

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nikdorinn [45]

Answer:

See explanation

Step-by-step explanation:

(x^2+9x+10)(x-2)= \\\\x^3-2x^2+9x^2-18x+10x-20= \\\\x^3+7x^2-8x-20

Jimmy is incorrect.

Using long division, you can find that the real answer.

First, subtract x^2(x-2) from the original expression, leaving you with 9x^2+2x-40.

Next, subtract 9x(x-2) from the expression, leaving you with 20x-40. Finally, subtract 20(x-2) from the expression, leaving you with a remainder of 0. This means that the real quotient is x^2+9x+20. Hope this helps!

6 0
3 years ago
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