3x+5y=15 solve for y

Answered by admin AT 18/04/2020 - 07:52 PM

You can't solve one equation with 2 variables. You always need as many equations as there are variables. At most you can rewrite it in terms of y:

5y = 15 - 3x

5 = 3 - 3/5x

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How do I solve this problem involving simplifying exponents, squaring, and fractions

Mathematics

QUESTION POSTED AT 02/06/2020 - 01:36 AM

Use a graphing calculator to solve the equation -3 cost= 1 in the interval from . Round to the nearest hundredth.

Mathematics

QUESTION POSTED AT 02/06/2020 - 01:33 AM

_____ 20. Brandon needs $480 to buy a TV and stereo system for his room. He received $60 in cash for birthday presents. He plans to save $30 per week from his part-time job. To find how many weeks w it will take to have $480, solve 60 + 30w = 480. Type your answer in the blank to the left. A. 16 weeks B. 13 weeks C. 15 weeks D. 14 weeks

Mathematics

QUESTION POSTED AT 01/06/2020 - 04:55 PM

How would i solve something like 15/3?

Mathematics

QUESTION POSTED AT 01/06/2020 - 04:47 PM

Jamal uses the steps below to solve the equation 6x – 4 = 8. Step 1: 6x – 4 + 4 = 8 + 4 Step 2: 6x + 0 = 12 Step 3: 6x = 12 Step 4: = Step 5: 1x = 2 Step 6: x = 2 Which property justifies Step 3 of his work?

Mathematics

QUESTION POSTED AT 01/06/2020 - 04:39 PM

Answered by admin AT 18/04/2020 - 07:52 PM

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