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Answers by Markpsmith

Answers by Markpsmith
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If m = 2n² then what is m²?show me step by step
answered Nov 17, 2023
13 votes
136k views
This chemical equation represents a chemical reaction. CaCO3 + 2HCI CO₂ + CaCl2 + H₂O Which chemical is a reactant in this reaction? OA. CaCl₂ B. H₂0 OC. HCI D. CO₂
answered Oct 3, 2023
14 votes
198k views
What is the slope of the line that passes through the points (1, 1) and (4, 4)? Write your answer in simplest form.
answered Jun 29, 2023
23 votes
159k views
Question 5 Given a mean of 21 and a standard deviation of 1.2, what is the Z-score of a data value x = 21? Use the following equation: X-mean Zscore -1.0 0 OOOO 1.0 21 I don't know
answered May 17, 2023
13 votes
99.5k views
A painter is painting a rectangular wall that measures 20.5 ft by 16.4 ft. Each gallon can of paint covers 200 square feet. What are the fewest gallons needed to paint the wall?
answered Jan 7, 2023
16 votes
88.0k views
Simplify. 7 x – 4 + x —————- 2x – 1 6x - 5 8x - 4 ——— 2x – 1 4x - 4
answered Nov 19, 2022
26 votes
218k views
2. Write the words in the correct form: 1. There are three _____ (apple) on the plate. 2. I'd like to taste these _____ (cookie). 3. Would you like these _____ (orange)? 4. This ____ (cheese) is too salty.
answered Mar 27, 2022
17 votes
304k views
Through which of these will light waves travel with the greatest speed? PLZEXPLAIN Y THE ANSWER IS CORRECT a. Air b. Glass c. Vacuum d. Water
answered Feb 24, 2022
12 votes
277k views
What is the negative x-intercept of the quadratic function represented by y = (2x + 8) (3.2 – 1)?
answered Feb 1, 2022
21 votes
312k views
Java question If the user wants to enter one character what statement you use? 1- next()? 2-next(0)? 3-CharAt(0). 4-next().charAt(0).
answered Jan 25, 2022
19 votes
180k views
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