9514 1404 393
Answer:
A, C
Step-by-step explanation:
The given ratio can be reduced by removing a factor of 2 from each element.
8 : 6 = 4 : 3 . . . . matches A
It can be put in other forms by multiplying each element by the same factor. Using a factor of 2 on the original ratio values, we get ...
8 : 6 = 16 : 12 . . matches C
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Any ratio that doesn't reduce to the integer ratio 4 : 3 is not equivalent. The ratio with elements reversed (3:4) is not equivalent.
Answer:
Mrs.Santos is 29.5 and Morgan is 14.5
Step-by-step explanation:
x - 15 + x = 44 where x is Mrs.Santos age
2x - 15 = 44
2x = 59
x = 59/2 = 29.5
The spread of the disease will take a time 100 days to reach 2,500 <em>infected</em> people.
<h3>How to find the number of infected people at a certain time</h3>
In this problem we have a <em>radical</em> equation that represents the number of <em>infected</em> people as a function of time, we are suppose to find the time when that number will be 2,500 by <em>algebra</em> properties: (N = 2,500)
2,500 = 250 · √t
√t = 2,500 / 250
√t = 10
t = 10²
t = 100
The spread of the disease will take a time 100 days to reach 2,500 <em>infected</em> people.
<h3>Remark </h3>
The statement is poorly formatted and presents typing mistakes, correct form is shown below:
<em>The spread of a disease can be modeled as N(t) = 250 · √t, where N is the number of infected people, and t is time (in days). How long will it take until the number of infected people reaches 2,500?</em>
To learn more on radical equations: brainly.com/question/11631690
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Answer:
Step-by-step explanation:
Step-by-step explanation:
Familiarize yourself with perfect squares in the neighborhood of 140:
10^2 = 100
11^2 = 121
12^2 = 144
Note that 140 is much closer to the perfect square than it is to the perfect square 121. The value of √140 must lie closer to 12 than to 11.
Place a point on the number line about 3/4 of the way from 11 to 12.
want to say 0 even though i did it in my head
