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Leokris [45]
3 years ago
14

If a = -1, b = 2, and c = 3, then a + 4b + 2c is equal to:

Mathematics
1 answer:
blondinia [14]3 years ago
6 0

Answer:

13

Step-by-step explanation:

-1+4*2+2*3

=-1+8+6

13

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Dafna1 [17]
Answer:
1/625

Explanation:
In case of multiplication of numbers with same base, we add the powers.
This means that:
a^x * a^y = a^(x+y)

Applying this to the given, we will find that:
(5^-1) * (5^-3) = 5^(-1-3)
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Hope this helps :)
4 0
3 years ago
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Prove fermat's theorem for the case where f has a minimum at x0 (show f 0 (x0) = 0)
allochka39001 [22]
Suppose that some value, c, is a point of a local minimum point.

The theorem states that if a function f is differentiable at a point c of local extremum, then f'(c) = 0.

This implies that the function f is continuous over the given interval. So there must be some value h such that f(c + h) - f(c) >= 0, where h is some infinitesimally small quantity.
As h approaches 0 from the negative side, then: \frac{f(c + h) - f(c)}{h} \leq 0 \text{, where h is approaching 0 from the negative side}
As h approaches 0 from the positive side, then: \frac{f(c + h) - f(c)}{h} \geq 0

Thus, f'(c) = 0
6 0
3 years ago
How do you times fraction by whole numbers
ehidna [41]
To multiply whole numbers and fractions, multiply the numerator by the whole number. Example: 1/3×4= 4/3=1 1/3
5 0
2 years ago
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Marta_Voda [28]
The area of a parallelogram is the base times the height so:

A=bh, in this case:

A=hx

x=A/h, we are told that A=120mm^2 and h=10mm so

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Answer:

Each notepad would cost $5.

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