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3 years ago

What does 2 + 1+ 1 x 10 =

Mathematics

2 answers:

sammy [17]3 years ago

4 0

The answer is 13!

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nordsb [41]3 years ago

4 0

Hi,

Answer: 13

My work: Order of operations says that multiplication always goes first so you would start off with 10 * 1. After this you would had 10 with 1 and 2 which equals 13. This problem can be easily solved in 2 steps, or with a caculator.

My Numerical work:

Multiply first:

1. 10 *1 =10

Add:

2. 10 + 1 + 2 = 13

I Hoped I Helped!

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2 years ago

Solve the system: 4x – 3y = -21 X=-y-14

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Answer:

The solution for the system of equations is

x=2,y=−2

Explanation:

4x−3y=14.....equation (1)

y=−3x+4.....equation (2)

Solving by substitution

Substituting equation 2 in equation 1

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2 years ago

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3 years ago

Consider the sequence defined recursively by do = 0, an = an-1 + 3n – 1. a) Write out the first 5 terms of this sequence,

creativ13 [48]

Answer:

The first 5 terms of the sequence is 2,7,15,26,40.

Step-by-step explanation:

Given : Consider the sequence defined recursively by $a_0=0$ $a_n=a_{n-1}+3n-1$

To find : Write out the first 5 terms of this sequence ?

Solution :

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$a_1=0+2$

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$a_2=a_{1}+6-1$

$a_2=2+5$

$a_2=7$

For n=3,

$a_3=a_{3-1}+3(3)-1$

$a_3=a_{2}+9-1$

$a_3=7+8$

$a_3=15$

For n=4,

$a_4=a_{4-1}+3(4)-1$

$a_4=a_{3}+12-1$

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For n=5,

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3 years ago

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Answer:

Step-by-step explanation:

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