brendaesme
13.11.2020 •
Mathematics
Trevor plans to solve the system of equations using elimination. Which of the following represents a reasonable first step Trevor could take?
2x − 3y = -10
4x + y = 8
A.
Multiply the 1st equation by 2
B.
Subtract 4x from both sides in the second equation
C.
Multiply the 2nd equation by 3
D.
He can just add them, nothing needs to be multiplied
Solved
Show answers
More tips
- S Society and Politics Skoptsy: Who They Are and How They Perform Castration?...
- H Health and Medicine How to Calculate Your Ideal Weight?...
- S Style and Beauty Discover the Art of Nail Design: How Do You Paint Your Nails?...
- P Philosophy How to Develop Extrasensory Abilities?...
- O Other Everything You Need to Know About Kudyabliks...
- C Computers and Internet The Twitter Phenomenon: What it is and How to Use it...
- C Computers and Internet How to Choose a Laptop: Expert Guide and Tips...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
- S Style and Beauty How to Make Your Lips Fuller? Ideas and Tips for Beautiful Lips...
Answers on questions: Mathematics
- M Mathematics Santosh conducted two experiments in the chemical laboratory. He kept the temperature at 22 °Cfor the first experiment and -32 °C for the other. What is the difference...
- M Mathematics Solve the system using elimination. write the solution as an ordered pair. (1 point) show your work for full credit! (2 points) 5x + 4y = 1 -3x + 4y = -7...
- M Mathematics What is the solution of |x - 1| = 5x + 10...
- M Mathematics Mr.chen is putting tiles down in his kitchen.the kitchen has a perimeter of 48 feet.the tile costs $5 per square foot.how much will it cost mr.chen to tile his kitchen?...
- M Mathematics In seven years, gary will need $50,000 to pay his son s college tuition. if the interest rate is 10 percent, how much should he invest today? a.) $45,264.35 b.) $31,046.07...
- M Mathematics You invest $5,175 in a stock plan. it increases 9% the first year then loses 5% of its value the second year. what is your gain compared to your original investment?...
- M Mathematics Which is not a polynomial? question 2 options: 4x4+3x3− 2x2−1 x5 − 5x4 + 4x3 −3x2 3x2 + 5x4 + 2x − 12 x3− 7x2 + 9x −20...
- M Mathematics Fast a new law has support from some democrats and some republicans. the table shows the relative frequencies of the columns for the two-way table representing this...
- M Mathematics Solve for x. 2x + 5 = 27 what is the answer? a8.5 b11 c16 d64 14 points...
- M Mathematics Examine the diagram at right. the smaller triangle (inside of the larger triangle) is similar to larger triangle. how can you solve for x? now , determine the lengths...
Ответ:
Assuming this is a rectangular prism, it should be:
(20x3.75) x2 + (20x15) x2 + (12.5x3.75)x2