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Ainat [17]
3 years ago
8

The function f is defined by f(x)=7x - 5. Use this formula to find the following

Mathematics
2 answers:
Semenov [28]3 years ago
7 0
-103 is the answer to the question
Illusion [34]3 years ago
6 0
F(x)=7x-5
x=-14
7(-14)-5
-98-5
final answer is -103
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What is the next term in the geometric sequence? <br> 7,14,28, __
aleksandr82 [10.1K]

<u>We have to look for the pattern in the numbers</u>, so we can figure out what the next term in the sequence is !

It looks like,<u> each number is multiplied by 2!</u>

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7 0
3 years ago
Read 2 more answers
Alice earned $622.50 in interest on her savings in the bank. Before interest, the account had $12,450. What is the approximate p
Lubov Fominskaja [6]

<u><em>Answer:</em></u>

5%


<u><em>Explanation:</em></u>

% she earned in interest can be calculated by calculating the % of increase in the balance


<u>We have:</u>

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Amount of interest = $622.5

<u>This means that:</u>

new balance = 12,450 + 622.5 = $13,072.5


<u>Now, we can get the percentage of increase:</u>

% of increase = \frac{Value_n_e_w - Value_o_l_d}{Value_o_l_d} *100


<u>Substitute with the values we have to get the percentage of interest earned as follows:</u>

% of interest earned = \frac{13072.5 - 12450}{12450} * 100 = 5%


Hope this helps :)

7 0
3 years ago
Read 2 more answers
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