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3 years ago

I dont understand plz help

Mathematics

2 answers:

mylen [45]3 years ago

5 0

Use pemdas

Parenthesis first
Then exponents
Multiplication
Division
Addition
And then subtraction

ddd [48]3 years ago

4 0

Here is answer in the picture I hope this is help to you

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Tasya [4]

Answer:

Step-by-step explanation:

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3 years ago

If one postage stamp costs $0.85, how<br> much does a book of 25 stamps cost?

aniked [119]

Answer: $21.25

Step-by-step explanation:

0.85 x 25

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4 years ago

Read 2 more answers

compare these fractions. what happens when you multiply the numerator and the denominator by the same number? 2/3 4/6 6/9

matrenka [14]

When you multiply the numerator and denominator by the same number, you get an equivilent fraction

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3 years ago

Write an explicit formula for an,the Nth term of the sequence 4,12,36

Rudik [331]

Answer:

$3^{n}+3^{n-1}$

Step-by-step explanation:

Since the sequence is geometric (it multiplies the previous number each time). The nth term sequence would be $x^n + yn$

Because the sequence multiplies by 3 each time, The base number in that equation would be $3^n +yn$ .

So $3^n$ of the equation would be:
$3, 9, 27$ .

Compare the 2 equations:
4, 12, 36

3, 9 ,27

The difference between the 2 equations is: 1, 3, 9 which itself is a geometric sequence so the nth term of this new equation is: $3^{n-1}$ .

Combine these 2 equations together and you get:

$3^{n}+3^{n-1}$ .

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2 years ago

Plzzzzzz I need help

Veronika [31]

Answer:

4 whole sticks of butter

Step-by-step explanation:

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3 years ago