Answers by Mike DaCosta
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Answers by Mike DaCosta

Answers by Mike DaCosta
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3x + y = 7 1-2x - y = 9
answered May 15, 2023
4 votes
105k views
If an isotope has a half-life of 5,500 years how long would it take for 12.5% of the original isotope to be remaining?
answered Mar 22, 2023
3 votes
38.3k views
Imagine that you recently performed a coloring service on a client without doing a patch test—you were so excited to color the client’s hair that you simply forgot to perform the test. Unfortunately, the
answered Jan 7, 2023
3 votes
135k views
Rewrite the equation y – 4x = –9 in slope-intercept form. A. y = –4x – 9 B. y = 4x + 9 C. y = –4x + 9 D. y = 4x – 9​
answered Dec 19, 2022
13 votes
168k views
Which of the following is an example of an analog medium? A. Computers B. Cell phones C. Cuneiform D. Software
answered Dec 10, 2022
2 votes
198k views
1.) Conrad earns a 7.5% commission on his sales of office supplies. Last month, he earned $836.50 in commissions. What were his total sales for the month (to the nearest whole cent)? A.) $11,153.33 in
answered Nov 16, 2022
3 votes
7.1k views
Y x1 How many solutions does this linear system have? O one solution: (0, -1) O one solution: (1,1) Ono solution infinite number of solutions
answered Oct 23, 2022
5 votes
208k views
What a wild attack! ​
answered Oct 16, 2022
3 votes
194k views
Please help me with this
answered Sep 28, 2022
5 votes
199k views
-2.73 as a mixed number
answered Aug 26, 2022
5 votes
42.3k views
I will never forget what you did for me​
answered Apr 18, 2022
5 votes
205k views
Twenty six students. They have 8 cars and the car hold 3 kids. How many kids will not have a ride
answered Apr 7, 2022
2 votes
94.3k views
In which four regions did the world's first farmers live? PLS GIVE ME THE FOUR CIRCLES OF THE PLACES pretty please
answered Apr 3, 2022
5 votes
233k views
Why is background music so important for film scenes? *
answered Feb 10, 2022
11 votes
67.2k views
Suppose that X is a binomial random variable with n = 10 and p = 0.25. Find P 2). Write only a number as your answer. Round to 4 decimal places (for example 0.1849). Do not write as a percentage.
answered Jul 15, 2021
4 votes
12.8k views
Which event best completes this diagram? A. Taxes imposed on the colonists. B. Taxes placed on british soldiers. C. Taxation opposed by British merchants. D. Taxation controlled by the colonists
answered May 9, 2021
7 votes
83.0k views
Mary gave her brother 1/4 of her plums and her sister 1/3 of her plums.Mary remained with 20 plums.Caluculate how many plums mary had before sharing and how many more plums her sister received than her
answered Feb 23, 2021
3 votes
77.8k views
How can graphing an inequality help to solve it
answered Feb 14, 2021
6 votes
26.6k views
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