Answers by Don Mackenzie
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Answers by Don Mackenzie

Answers by Don Mackenzie
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What percentage of Africans live in sub-Saharan Africa ? A. less than 10% B. about 50 % C. about 65% D. about 85 % Not sure if is b or c or d​
answered Mar 1, 2022
1 vote
202k views
A(n) ______ reverses the flow of current through an electric motor. brush battery armature commutator
answered Dec 26, 2021
2 votes
37.6k views
Write a class Battery that models a rechargeable battery. A battery has capacity (instance variable) which can be drained. Capacity is a double value measured in milliampere hours (mAh) java
answered Dec 6, 2021
1 vote
202k views
What do you think is the best invention during the Middle Ages that has made a great impact up to the present times​
answered Nov 28, 2021
7 votes
123k views
How many substances/elements are on the periodic table?​
answered Nov 9, 2021
6 votes
197k views
The journal entry to record the requisition of direct materials for new jobs started during the period is
answered Nov 8, 2021
4 votes
145k views
Amendment V states that a person does not have to give testimony against themselves, and they are not subject to _____ A. right to vote B. freedom of religion C. right to bear arms D. double jeopardy
answered Sep 25, 2021
4 votes
21.9k views
Please help. PLEEEEEEEEEEASSSSSSEEE There are three right answers I don’t need and explanation
answered Aug 16, 2021
4 votes
98.5k views
How many moles of gas are in a container with a volume of 9.55 mL at 35 °C and a pressure of 895 mmHg?
answered May 10, 2021
5 votes
61.1k views
Firm A's demand for a product is 15 units per month. Its supplier charges an ordering cost of $5 per order and $10 per unit with a 10% discount for orders of 15 units or higher. Firm A incurs a 25% annual
answered Apr 30, 2021
2 votes
12.7k views
What similar circumstances and issues exist in both The Eve of Destruction and the opening chapters of The Outsiders? Use examples or quotes from both texts in your answer.
answered Jan 14, 2021
3 votes
15.3k views
How does the graph of g(x) = (x + 2)^3 − 7 compare to the parent function of f(x) = x^3 A) g(x) is shifted 2 units to the right and 7 units down. B) g(x) is shifted 7 units to the right and 2 units up.
answered Oct 7, 2020
3 votes
73.5k views
What is measure of angle R? Enter your answer as a decimal in the box. Round only your final answer to the nearest hundredth. ° P Q R is a right triangle. Q is a right angle. P Q is equal to eight centimeters,
answered Jul 26, 2020
3 votes
105k views
After mixing a heat-killed, phosphorescent (light-emitting) strain of bacteria with a living, nonphosphorescent strain, you discover that some of the living cells are now phosphorescent. Which observation(s)
answered Jul 12, 2020
2 votes
149k views
Subject: Geometry need help with 6 and 7
answered Jun 16, 2020
2 votes
196k views
Victory gardens were used in World Wars I and II to augment the public food supply and aid the war effort. Please select the best answer from the choices provided T F
answered Oct 14, 2019
5 votes
50.0k views
The set of measurements listed in order from greatest to least.
answered Oct 11, 2019
6 votes
88.1k views
A triangular field with vertices OPQ has sides OP = 402 m, PQ = 388 m, and QO = 254 m. Find the perpendicular distance from the vertex P to the opposite side. A. 234m B. 373m C. 286m D. 352m
answered Sep 13, 2019
5 votes
67.0k views
If the point (1,16) lies on the graph of y=f(bx), what is the value of b?
answered May 2, 2019
3 votes
117k views
How many electrons are there in the 2nd principal energy level (n?
answered Apr 16, 2019
2 votes
14.8k views
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