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morpeh [17]
3 years ago
8

(5x² + 8x - 3) + (2x² - 7x + 13x)

Mathematics
2 answers:
ivanzaharov [21]3 years ago
6 0

Answer:

Simplify the expression.

7x2+14x−3

Step-by-step explanation:

Aliun [14]3 years ago
4 0

Answer:

simplified answer = 7x^2+14x-3

hope this helps

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-6x + 2y = 10 is written in Standard form.<br> Rewrite it in y=form.
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Answer:

y = 3x + 5

Step-by-step explanation:

add 6x to each side to get:

2y = 6x + 10

finally, divide each side by 2 to get:

y = 3x + 5

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The solution set of 2-3x/4-8=3x/4​
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Step-by-step explanation:

\\ \tt{:}\leadsto  \frac{2 - 3x}{4 - 8} =  \frac{3x}{4}   \\ \\ \tt{:}\leadsto 4(2 - 3x) = 3x(4 - 8) \\ \\ \tt{:}\leadsto 8 - 12x = 3x( - 4) \\ \\  \tt{:}\leadsto 8 - 2x =   - 12x \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\ \\ \tt{:}\leadsto 8 =  - 12x + 2x \\ \\ \tt{:}\leadsto 8 =  - 10x \\ \\ \tt{:}\leadsto x =  \frac{ - 10}{8}  \\ \\ \tt{:}\leadsto x =  \frac{ - 5}{4}

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I think the answer is: -4.25
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Find the value of x. Leave your answer in simplest radical form. The chord measures 14, the diameter measures 18. Hint: use pyth
ehidna [41]

Answer:

x = 4√2

Step-by-step explanation:

<u><em>Find the value of x. Leave your answer in simplest radical form. The chord measures 14, the diameter measures 18. Hint: use pythagorean theorem</em></u>

To solve, we will follow the steps below:

using Pythagoras theorem

opposite² +  adjacent² = hypotenuse²

14² + y² = 18²

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subtract 196 from both-side of the equation

196 -196 + y² = 324-196

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