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Allisa [31]
3 years ago
5

PLEASE HURRY!!! ONLY HAVE A FEW MINS

Mathematics
2 answers:
aleksley [76]3 years ago
7 0

Answer:

it is 13x=2

Step-by-step explanation:

i ran the math through my multipurpose calculator

Mnenie [13.5K]3 years ago
6 0

Answer:

32.60

Step-by-step explanation:

cause u multiple y by 5 just trust me

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Find all solutions to the following equation. If there are any extraneous solutions, identify them and explain why they are extr
vagabundo [1.1K]

Answer:

b = 3, which is an extraneous solution because if we replace b = 3 in the equation, we must be 5/0 and 30/0, and there is division by 0.

Step-by-step explanation:

\frac{7}{b+3} + \frac{5}{b-3} = \frac{10b}{b^2-9}

The minus common multiply must be (b-3)*(b+3) = b² - 9

\frac{7*(b-3)}{b^2-9} + \frac{5*(b+3)}{b^2 -9}  = \frac{10b}{b^2-9}

7b - 21 + 5b + 15 = 10b

2b = 6

b = 3

Which is an extraneous solution because if we replace b = 3 in the equation, we must be 5/0 and 30/0, and there is division by 0. So this solution is invalid.

7 0
3 years ago
Add or subtract as indicated and write the result in standard form 3i+(-6-i)
yKpoI14uk [10]

Answer:

B: -6+2i

Step-by-step explanation:

  • 3i + (-6 - i) =                ⇒ open parenthesis
  • 3i - 6 - i =                ⇒ simplify
  • -6 + 2i                     ⇒ answer in standard form of a+bi
5 0
3 years ago
Find the coordinates of T' after the given translation.
Karo-lina-s [1.5K]
I believe it’s C because the original coordinates where (1, -3) all you will have to do it’s subtract -6 by 1 and add 2 and -3
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3 years ago
If you spend $150 on 3 items and 1 item cost 50% more than the other 2 How much does it cost?
ryzh [129]
$75 Hope that helps.

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3 years ago
Subtract 8 y^2 − 5 y + 7 from 2 y^2 + 7 y + 1 1 <br><br> The answer is: −6y ^2 +12y+4
lys-0071 [83]

Answer:

\large\boxed{-6y^2+12y+4}

Step-by-step explanation:

(2y^2+7y+11)-(8y^2-5y+7)\\\\=2y^2+7y+11-8y^2-(-5y)-7\\\\=2y^2+7y+11-8y^2+5y-7\qquad\text{combine like terms}\\\\=(2y^2-8y^2)+(7y+5y)+(11-7)\\\\=-6y^2+12y+4

4 0
3 years ago
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