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Ksenya-84 [330]
3 years ago
10

Can someone tell me step by step how I should do this?? In ur own words I don’t understand!!

Mathematics
1 answer:
ruslelena [56]3 years ago
3 0

Answer:

multiply all the numbers

Step-by-step explanation:

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Using the quadratic formula to solve 5x = 6x²-3, what are the values of x?
Salsk061 [2.6K]

Answer:

\boxed{\sf{x =  \frac{5 \pm \sqrt{97} }{12} }}

Step-by-step explanation:

\sf{5x = 6 {x}^{2} - 3 }

\sf{0 = 6 {x}^{2} - 3 - 5x }

\sf{0 = 6 {x}^{2} - 5x - 3 }

  • a = 6
  • b = - 5
  • c = - 3

\sf{x =  \frac{ - b \pm \sqrt{ {b}^{2}  - 4ac} }{2a} }

\sf{x =  \frac{ - ( - 5) \pm \sqrt{ { - 5}^{2}  - 4(6)( - 3)} }{2(6)} }

\sf{x =  \frac{5 \pm \sqrt{ 25   + 72} }{12} }

\sf{x =  \frac{5 \pm \sqrt{97} }{12} }

8 0
2 years ago
A car can be rented for $50 per week plus $0.75 per milo. How many miles can be driven if you have at most $140 to spend for woo
avanturin [10]

Answer: 120 Miles

Step-by-step explanation:

We start with $140.

The initial payment is $50.  

$140 - $50 = $90

We now have $90 dollars to spend on miles.

$90/$0.75 per mil = 120 Miles

Using the remaining $90 we can drive 120 miles in a week.

7 0
3 years ago
20 POINTS, please help!!Factor the algebraic expression below in terms of a single trigonometric function.
Lubov Fominskaja [6]
Csc²x - 1

1/sin²x  -  1

1/sin²x  -  sin²x / sin²x

(1 - sin²x) / sin²x

Recall that sin²x + cos²x = 1

So cos²x = 1 - sin²x

So we can replace numerator to cos²x

cos²x / sin²x
 
= cot²x

Final answer: cot²x
6 0
3 years ago
A store marks up the price of an item by 20%. What expression represents the cost a customer pays for the item?
ohaa [14]

Answer:

(Price x 0.20) + price

Step-by-step explanation:

To find a certain percentage of something, move the decimal on the percent 2 places to the left and multiply that by the original number

If something is marked up by a certain price, that means you’re adding to it so you just have to add whatever 20% of the item is to the original cost

4 0
3 years ago
I know you probably don’t see this but i forgot to do my homework it’s due tomorrow and it’s the called “Volume Unit Study Guide
saw5 [17]

Answer: Make sure all words are spelled correctly.

Try different keywords.

Try more general keywords.

Try fewer keywords.

Step-by-step explanation:

6 0
3 years ago
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