Answer:
Step-by-step explanation:
gx = 6x
g = 6
6 x (-3) = -18
6 x 0 = 0
6 x 4 = 24
31) there are 12. The distance between them is 10-4=6. This is halfway around so there are 12 (think of a clock face, 4 is opposite 10 and there are 12 numbers.)
Answer:
3
Step-by-step explanation:
9 divided by 3 is 3
So, you can multiply 3/2 by 3 to get 9/2
Hope this helps! :)
Answer: 5.8 miles
Step-by-step explanation:
10.49 - 1.5 = 8.99
8.99 / 1.55 = 8.99
The number of laps that Swimmer A swam was 50 laps.
<h3>How to form mathematical expression from the given description?</h3>
You can represent the unknown amounts by the use of variables. Follow whatever the description is and convert it one by one mathematically. For example if it is asked to increase some item by 4 , then you can add 4 in that item to increase it by 4. If something is for example, doubled, then you can multiply that thing by 2 and so on methods can be used to convert description to mathematical expressions.
Let we suppose that:
Swimmer A swam x laps
Swimmer B swam y laps.
Then, according to the given data, we have:
x + y = 175 laps
y = 25 + 2x
(25 more than twice of laps of A is the number of laps of B).
Thus, we get a system of two equations:
x + 25 + 2x = 175
3x + 25 = 175
3x = 175 - 25 = 150
x = 50
As x is the number of laps Swimmer A swam, thus, the number of laps that Swimmer A swam was 50 laps.
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