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tatyana61 [14]
3 years ago
8

What is the factored form of 20x - 10y + 15z?

Mathematics
2 answers:
ivanzaharov [21]3 years ago
8 0

Answer:

5 ( 4 x − 2 y + 3 z )

Andre45 [30]3 years ago
6 0
Simplifying
20x + -10y + 15z

Factor out the Greatest Common Factor (GCF), '5'.
5(4x + -2y + 3z)

Final result:
5(4x + -2y + 3z)
:

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Esay, first what you have to do us move -6 to the right side and now you will have 3y=-3x+6, what you want to do next is to divide 3y by both sides and your final answer is y=-x+2, hope this helps.
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3 years ago
WILL GIVE BRAINLIEST! <br>What is the answer for question (iv)? <br>please help! ​
Leviafan [203]

Step-by-step explanation:

\triangle ABC \sim \triangle ADE... (given) \\\\\therefore \frac {AC}{AE} = \frac {BC}{DE}.. (csst) \\\\\therefore \frac {5}{5+2x} = \frac {x+3}{4x+1}\\ \\ \therefore \: 5(4x + 1) = (5 + 2x)(x + 3) \\ \therefore \:20x + 5 = 5x + 15 + 2 {x}^{2}  + 6x \\ \therefore \:20x + 5 =2 {x}^{2} +  11x + 15 \\ \therefore \:2 {x}^{2} +  11x + 15 -2 0x  - 5 = 0\\  \therefore \:2 {x}^{2}  - 9x + 10 = 0\\ \therefore \:2 {x}^{2}  - 5x   -  4x+ 10 = 0\\ \therefore \:x(2x - 5) - 2(2x - 5) = 0 \\ \therefore \:(2x - 5)(x - 2) = 0 \\ 2x - 5 = 0  \:  \: or \:  \: x - 2 = 0 \\ x =  \frac{5}{2} \:  \:  or \:  \: x = 2 \\ x = 2.5 \:  \: or \: x = 2 \\ x = 2.5 \: is \: largest \\  \\  \frac{A(\triangle ABC)}{ A(\triangle ADE)} =  \frac{AC ^{2} } {AE^{2} } \\  \\ \frac{A(\triangle ABC)}{ A(\triangle ADE)} =  \frac{5 ^{2} } {(5 + 2x)^{2} } \\  =  \frac{25}{(5 + 2 \times 2.5)^{2} }  \\  =  \frac{25}{ {10}^{2} }  \\  =  \frac{25}{100}  \\  \\  \frac{A(\triangle ABC)}{ A(\triangle ADE)} =  \frac{1}{4}  \\

5 0
4 years ago
Here is an identity.
hichkok12 [17]

Answer:

The answer is 37 200.

Step-by-step explanation:

The steps are :

x² - y² = (x + y)(x - y)

193² - 7² = (193 + 7)(193 - 7)

= (200)(186)

= 37 200

7 0
3 years ago
Read 2 more answers
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DerKrebs [107]

Answer:

B

Step-by-step explanation:

If you look at the frequency, only 1/3 is odd. so I would pick 45. 100/3 is 33.3333, so yeah pretty close. The answer is B. Please mark brainliest if correct.

5 0
3 years ago
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slava [35]

Answer:a,b,d,e,f.

Step-by-step explanation:hope it helps someone.

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3 years ago
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