Mathematics, 21.04.2020 23:22 josephraven778
Richard is asked to spray wash the exterior of a building that is shaped like a cube. He decides to calculate the surface area of the building in order to estimate how much water he will need. He does the calculation using the standard formula and, after doing the job, realizes he overestimated the amount of water he needed. Where was his mistake?
1. He forgot to subtract the area of the base from the total surface area of the cube.
2. He forgot that there is no formula for the surface area of a cube.
3. He forgot to square the result.
4. He forgot to add the area of the base to the total surface are of the cube.
Answers: 3
Mathematics, 21.06.2019 15:00
What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer
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Mathematics, 21.06.2019 23:30
Which numbers have the same absolute value? choose all that apply. asap will mark at brainliest
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Mathematics, 22.06.2019 01:00
Arrange the steps to solve this system of linear equations in the correct sequence. x + y = -2 2x – 3y = -9 tiles subtract 3x + 3y = -6 (obtained in step 1) from 2x – 3y = -9 (given) to solve for x. substitute the value of x in the first equation (x + y = -2) to get y = 1. the solution for the system of equations is (-3, 1). x = -15 the solution for the system of equations is (-15, 13). add 3x + 3y = -6 (obtained in step 1) to 2x – 3y = -9 (given), and solve for x. x = -3 substitute the value of x in the first equation (x + y = -2) to get y = 13. multiply the first equation by 3: 3(x + y) = 3(-2) 3x + 3y = -6.
Answers: 1
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