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vodka [1.7K]
3 years ago
15

St. Patrick's Day Problem Solving

Mathematics
2 answers:
yaroslaw [1]3 years ago
4 0

Answer:

I dont know wow this is hard i think it is 151 but im not sure

Step-by-step explanation:

anyanavicka [17]3 years ago
4 0
39, 57, 51? That seems right none are multiple of 2 or 9, between 30 and 60, and are multiples of 3?
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Last year, the average math SAT score for students at one school was 475. The headmaster introduced new teaching methods hoping
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I would argue that it does due to that if it increased, it's either from a 30% chance that nothing changed or that the teachers did it. Since 100-30=70, there's a 70 percent chance that the teaching effect did work!
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3 years ago
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Alexander is riding his bicycle to school. After one mile, he is a third of the way there. How much farther does he have to ride
Alekssandra [29.7K]
Alexander has to miles to go because if one mile is a third you can simply maltiply by three, then subtract the mile he already went. you maltiply by three because it was a third of the way there
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3 years ago
Which inequality has the solution set shown in the graph below?
lianna [129]

Answer:

-7x≥-21

Solution:

-7x ≥ -21

÷-7    ÷-7

flip the sign when we divide by a negative number

x ≤ 3

≥ and ≤ mean closed dot

7 0
3 years ago
Why the derivative of (x^2/a^2) = (2x/a^2)? ​
Neko [114]

I assume you're referring to a function,

f(x) = \dfrac{x^2}{a^2}

where <em>a</em> is some unknown constant. By definition of the derivative,

\displaystyle f'(x) = \lim_{h\to0}{f(x+h)-f(x)}h

Then

\displaystyle f'(x) = \lim_{h\to0}{\frac{(x+h)^2}{a^2}-\frac{x^2}{a^2}}h \\\\ f'(x) = \frac1{a^2} \lim_{h\to0}{(x+h)^2-x^2}h \\\\ f'(x) = \frac1{a^2} \lim_{h\to0}{(x^2+2xh+h^2)-x^2}h \\\\ f'(x) = \frac1{a^2} \lim_{h\to0}{2xh+h^2}h \\\\ f'(x) = \frac1{a^2} \lim_{h\to0}(2x+h) = \boxed{\frac{2x}{a^2}}

8 0
2 years ago
Write linear function f with the values f (0) = 6 and f(7) = 27
Bond [772]

Answer:

f(x) = 3x + 6.

Step-by-step explanation:

f(7) - f(0) = 27 - 6 = 21

so we may write a function:

f(x) = 3x + 6.

4 0
2 years ago
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