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jeka57 [31]
3 years ago
8

The graph below shows the amount of money that a student has in the bank at the end of each week.

Mathematics
1 answer:
storchak [24]3 years ago
7 0

Answer:

The student will have 130 dollars in the bank at the end of week 11.

Step-by-step explanation:

Pattern:

The pattern given by this graphic is that:

For each passing week, the student will have $10 more in the bank than at the end of the previous week. So, following this pattern:

At the end of 6 weeks, he will have $80.

At the end of 7 weeks, he will have $90.

At the end of 8 weeks, he will have $100.

At the end of 9 weeks, he will have $110.

At the end of 10 weeks, he will have $120.

At the end of 11 weeks, he will have $130.

The student will have 130 dollars in the bank at the end of week 11.

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Square root of 5 + square root of 3 the whole divided by sqaure root of 5 - square root of 3
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Answer:

The answer is 4 + √15 .

Step-by-step explanation:

You have to get rid of surds in the denorminator by multiplying it with the opposite sign :

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=  \frac{ \sqrt{5} +  \sqrt{3}  }{ \sqrt{5}  -  \sqrt{3} }  \times  \frac{ \sqrt{5}  +  \sqrt{3} }{ \sqrt{5}  +  \sqrt{3} }

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=  \frac{5 + 2 \sqrt{15} + 3 }{5 - 3}

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3 years ago
Which equation represents the line that passes through (-8,11) and
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Answer:

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Answer:

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Step-by-step explanation:

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