Questions by Krishna

Questions by Krishna

Mr. Santos is carpeting his living room. The room measures 21 feet by 15 feet. The carpeting costs $9 per square foot. How much carpeting will he need (in square feet), and how much will it cost?

asked Apr 12, 2018

2 answers

3 votes

80.6k views

If you wanted to increase the voltage, which would you use? a. generator b. step-up transformer c. step-down transformer d. motor e. detector

asked Jul 8, 2017

2 answers

1 vote

91.7k views

How many solutions are there to the following system of equations? 2x+5y=-11 10x+25y=-55 A. 0 B. 2 C. 1 D. Infinitely many.

asked May 11, 2017

2 answers

4 votes

153k views

Simplify 2a2b3(4a2 + 3ab2 – ab) = ? a. 8a4b3 + 6a3b5 + 2a3b4 b. 8a4b3 + 6a3b5 – 2a3b4 c. 8a4b5 + 3a3b5 + 2a3b4 d. 8a4b5 + 3a3b5 – 2a3b4 Find the value of x in the equation 2 x + 20 = 15 + 3 x . a. –5 b.

asked Apr 6, 2017

1 answer

3 votes

113k views

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