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vladimir1956 [14]
3 years ago
11

-2y+6=-12 what is the y

Mathematics
2 answers:
Yuki888 [10]3 years ago
6 0
Y= 9
-12-6=-18
divide each side by -18
Degger [83]3 years ago
4 0

Answer: y=9

Step-by-step explanation:

reverse PEMDAS

-2y + 6 - 6 = -12 - 6

-2y = -18

y = 9

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What is the value of f(-3)
Readme [11.4K]

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8 0
3 years ago
Use the quadratic formula to solve 2x^2=5x+6. Leave your answer in radical form. Show all of your work!
Westkost [7]

Answer:

In radical from 169/50 , 177/200

Step-by-step explanation:

Given:

2x^2=5x+6\\\\2x^2-5x-6=0\\\\Where, a=2 , b=-5 , c=-6

Find:

Value of x

Computation:

Using quadratic formula:

\frac{-b\±\sqrt{b^2-4ac} }{2a}\\\\By\ putting\ all\ value\\\\ \frac{-(-5)\±\sqrt{(-5)^2-4(2)(-6)} }{2(2)}\\\\ \frac{5\±\sqrt{25+48} }{4}\\\\ \frac{5\±8.54 }{4}\\\\\frac{5+8.54 }{4},\frac{5-8.54 }{4} \\\\3.38 , 0.885

Value of x 3.38 , 0.885

In radical from 169/50 , 177/200

8 0
3 years ago
Sakura speaks 150 words per minute on average in Hungarian, and 190 words per minute on average in Polish. She once gave cooking
marusya05 [52]

Answer:3 minute

Step-by-step explanation:

Sakura speaks hungarian =150 words per minute

Sakura speaks polish =190 words per minute

and it is given she speaks 270 more words in polish than in hungarian

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let she speaks hungarian for t mins

therefore 150\times t+270=190\left ( 5-t\right )

t=2 mins

therefore sakura speaks hungarian for 2 mins and polish for 3 mins

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yan [13]

Answer:

Step-by-step explanation:

3.57 x 10 ^ - 7 is the correct answer

6 0
3 years ago
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