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Rudik [331]
3 years ago
12

I need some help on doing these :[ please and thank you ;-;

Mathematics
1 answer:
otez555 [7]3 years ago
5 0

Answer:

is this geometry or algebra

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Analyze the diagram below and complete the instructions that follow.
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D. Angel 6 because vertical is just asking what angle is on the other side of angle 3
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Which statements are true according to the order of operations? Choose exactly two answers that are correct.
LiRa [457]
<span>b. 4+12÷2=4+6=10
c. (20–5)•3=15•3=45</span>
6 0
3 years ago
When solving the linear equation, ax + b = 0 where a≠ 0, what is the answer of the equation x = -b/a referred as?
Oksi-84 [34.3K]

In a system of equations ax + b = 0, a≠ 0, the equation x = -b/a is referred as a non-trivial solution.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

The system Ax + b = 0 has the following solutions:

  • The zeros, which is the trivial solution.
  • x = -b/a, which is the non-trivial solution.

More can be learned about a system of equations at brainly.com/question/24342899

#SPJ1

7 0
1 year ago
A playground is being designed where children can interact with their friends in certain combinations. If there is 1 child, ther
mariarad [96]
<h2>Answer:</h2>

<em><u>Recursive equation for the pattern followed is given by,</u></em>

a_{n}=a_{n-1}+(n-1)^{2}

<h2>Step-by-step explanation:</h2>

In the question,

The number of interaction for 1 child = 0

Number of interactions for 2 children = 1

Number of interactions for 3 children = 5

Number of interaction for 4 children = 14

So,

We need to find out the pattern for the recursive equation for the given conditions.

So,

We see that,

a_{1}=0\\a_{2}=1\\a_{3}=5\\a_{4}=14\\

Therefore, on checking, we observe that,

a_{n}=a_{n-1}+(n-1)^{2}

On checking the equation at the given values of 'n' of, 1, 2, 3 and 4.

<u>At, </u>

<u>n = 1</u>

a_{n}=a_{n-1}+(n-1)^{2}\\a_{1}=a_{1-1}+(1-1)^{2}\\a_{1}=0+0=0\\a_{1}=0

which is true.

<u>At, </u>

<u>n = 2</u>

a_{n}=a_{n-1}+(n-1)^{2}\\a_{2}=a_{2-1}+(2-1)^{2}\\a_{2}=a_{1}+1\\a_{2}=1

Which is also true.

<u>At, </u>

<u>n = 3</u>

a_{n}=a_{n-1}+(n-1)^{2}\\a_{3}=a_{3-1}+(3-1)^{2}\\a_{3}=a_{2}+4\\a_{3}=5

Which is true.

<u>At, </u>

<u>n = 4</u>

a_{n}=a_{n-1}+(n-1)^{2}\\a_{4}=a_{4-1}+(4-1)^{2}\\a_{4}=a_{3}+9\\a_{4}=14

This is also true at the given value of 'n'.

<em><u>Therefore, the recursive equation for the pattern followed is given by,</u></em>

a_{n}=a_{n-1}+(n-1)^{2}

3 0
2 years ago
What is the value of 3x+3y?
NNADVOKAT [17]

Answer:

3(x+y)

Step-by-step explanation

this is the right answer

7 0
3 years ago
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