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soldier1979 [14.2K]
2 years ago
7

Graph the function f(x) = 2√x +3.

Mathematics
1 answer:
Nikolay [14]2 years ago
8 0

The graph is shown in the attached image.

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Last year the robotics club had 30 members. This year the club has 24 members. Find the percent change in the number of members.
Naddika [18.5K]

Answer:

the answer is .6

Step-by-step explanation:

so 30 minus 24 is 6 turn 6 into percentage which is 0.6

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A right triangle (90) has a one angle that measures 35 degrees. What is the measure of the third angle?
pychu [463]

Answer:

55°

Step-by-step explanation:

triangle= 180°

third angle= 180-90-35

= 55°

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In a 45-45-90 right triangle, what is the ratio of the length of one leg to the
balandron [24]
A 1:12 is the answer for this question
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3 years ago
What equation best models this data? (Use y to represent the population in millions, and t to represent the year, assuming that
lapo4ka [179]

Answer:

y = 2.31x + 309.35

Step-by-step explanation:

Whenever you are checking for a best fitting equation you want to check if it has a constant slope.  If it does then the relation is linear and super easy.

So, since the t values are increasing by the same amount you want to see if the y values are  too.  And they are, each population entry is increasing by 2.31, this is the slope.  

Also, keep in mind you can caluclate slope with the equation \frac{y_2-y_1}{x_2-x_1}  here x is replaced by t though.

Now, since we know it's linear and we know the slope we can find the equation with the formula  y - y1 = m(x - x1) where again, x is replaced by t and m is the slope 2.31

I am just going to use the first point.  so x1 = t1 = 0

y - 309.35 = 2.31(x-0)

y = 2.31x + 309.35

Let me know if there was something you didn't understand.  

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2 years ago
Please help with this problem:
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