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9966 [12]
4 years ago
14

Calc help, don’t get it!

Mathematics
2 answers:
Arisa [49]4 years ago
5 0

Answer:

f(7) = 2

Step-by-step explanation:

3f(7) + f(7)g(7) = 18

3f(7) + f(7)(6) = 18

f(7) (3 + 6) = 18

f(7) x (9) = 18

f(7) = 2

Vikentia [17]4 years ago
3 0
F(7) = 2

Explanation:
It gives you the limit as x goes to 7 of an expression. Try to plug in x = 7, and set it equal to the right hand side.
3f(7) + f(7)g(7) = 18
We can replace g(7) with 6
3f(7) + 6f(7) = 18
9f(7) = 18
f(7) = 2
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The sum of two numbers is 5. The difference of two numbers is -1. Find the numbers
Drupady [299]

Answer:

The numbers are 2 and 3.

Step-by-step explanation:

The smaller number would have been 1 less than the bigger number so that if for example the smaller number is 1 and the bigger number is 2, their difference would have been 1-2 = -1

5 is an odd number so if it were to be divided into two integers, one would be more than the other, namely 2 and 3.

If you double-check their difference:

2-3 = -1

Thus, the two numbers are 2 and 3.

6 0
3 years ago
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Simplify. Write your answers without exponents. . . (1/64) ^ -2/3. . 25 ^ -3/3
guapka [62]


we are asked in the problem to simplify the expression  (1/64) ^ -2/3 * 25 ^ -3/3. In this case, the first step is to separately determine the values of (1/64) ^ -2/3 and 25 ^ -3/3 and then multiply the values. This is equal to 16 * 1/25 equal to 16/25. 
5 0
3 years ago
1. An atom consist of charged particles called electrons and protons. Each proton has a charge of +1 and each electron has a cha
ruslelena [56]

Answer:

I) no charge

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iiI) it will be negatively charged

Step-by-step explanation:

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However, if an atom looses an electron, there are now more protons than electrons present in the atom hence the atom is positively charged.

Similarly, if an atom gains an electron, it now contains more electrons than protons, hence it is negatively charged.

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Akimi4 [234]
The answer is 38 because:

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Leviafan [203]

Answer:

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Step-by-step explanation:d[y(t)]/dt is the same thing as y'(t). Thus:

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