3 years ago

How can you invest your money as a student or a teenager???

Mathematics

1 answer:

Xelga [282]3 years ago

8 0

Answer:

Buy stuff and sell them at a higher price

Step-by-step explanation:

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If Sandy's cookie recipe calls for 1/3 cup of brown sugar and she increases it by 2/9 of cup, how much brown sugar does she use?

aalyn [17]

She uses 5/9 of a cup

7 0

3 years ago

1. The sum of first n terms of an arithmetic sequence is 3n²+4n

valentina_108 [34]

Answer:

Step-by-step explanation:

$a_1=S_1=3\cdot1^2+4\cdot1=3+4=7$

$a_1+a_2=S_2\\\\a_1+a_1+d=3\cdot2^2+4\cdot2\\\\7+7+d=3\cdot4+8\\\\14+d=12+8\\\\d=6\\\\\\a_n=a_1+d(n-1)\\\\a_n=7+6(n-1)\\\\a_n=7+6n-6\\\\\underline{a_n=7n+1}$

$a_{20}=7\cdot20+1=141$

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3 years ago

28 = 4/5 x - 8 What value of x makes the equation true?

Harrizon [31]

Answer:

x will have to be 45 to make this true

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

Cuál es el valor que tiene x

salantis [7]

Answer:

I might be wrong double check but it's something like

Step-by-step explanation:

4x/3-40/3

(not to sure on that so don't be mad if it's wrong)

6 0

3 years ago

What is the slope below?

Debora [2.8K]

Answer:

8/1

Step-by-step explanation:

To find slope you would do:

rise/run

Up and down is the rise

Left and right is the run

In your problem it goes up 8 and right 1

7 0

2 years ago