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Dominik [7]
3 years ago
11

Which addition does the model below represent?

Mathematics
1 answer:
Nastasia [14]3 years ago
7 0
<h3>Answer:</h3>

[C] 3 + ( - 4).

<h3>Explanation:</h3>
  • First the arrow begins at 0 and moves to the right 3 spaces positive, ending at 3.
  • Then it moves backwards, which is subtracting left 4 spaces towards -1 past zero.
  • When adding a negative to a positive, you convert it to subtraction.
  • 3 + -4 is the same as 3 - 4.

<u>Correct choice</u> - [C] 3 + (- 4).

<u>Note</u>: See the picture attached.

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Which measure is of an angle that is coterminal with a 425° angle? 425° – (1,000n)°, for any integer n 425° – (840n)°, for any i
Natalka [10]

The angle that is coterminal to 425° is the last one:

B = 425° + n*1,440°

<h3>Which measure is of an angle that is coterminal with a 425° angle?</h3>

By definition, for any angle A, we can say that an angle B is coterminal to A if:

B = A + n*360°

where n can be any integer.

So, from the given options, we need to see which one is a multiple of 360°.

Of the given options, the only that meets this condition is the last one:

B = 425° + n*1,440°

Where:

1,440°/360° = 4

Then we conclude that:

425° + n*1,440° is coterminal to 425°.

If you want to learn more about coterminal angles:

brainly.com/question/3286526

#SPJ4

3 0
2 years ago
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The amount of sales tax charged is proportional to the value of the item bought. If the tax on a $110.00 item is $8.50, what is
AVprozaik [17]
$17.00 i am guessing on that
3 0
3 years ago
Molla is making greeting cards for 5 of her friends each card is to have 4 ribbons what is the number of ribbons used?
qwelly [4]
The answer is 20 because five times four is 20 so all you do is multiple
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3 years ago
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HELP ME <br> What is the expression in simplest form? 21 - 6n + 2(2n - 5 ) - 3n
goblinko [34]

21-6n+2(2n-5)-3n

First, multiply 2x2n and 2x-5

21-6n+4n-10-3n

Then rearrange the terms

4n-6n-3n+21-10

Then combine like terms

-5n+11

hope it helps!

5 0
3 years ago
What is the factored form of 6n4 – 24n3 + 18n?
dalvyx [7]

Answer:

6n(n - 1)(n^2 - 3n - 3).

Step-by-step explanation:

The GCF  = 6n.

6n^4 - 24n^3 + 18n

= 6n(n^3 - 4n^2 + 3)

Putting n = 1 in the expression in the parentheses:

(1)^3 - 4(1)^2 + 3 = 0  so n - 1 is a factor.

Dividing:

n - 1 ) n^3 - 4n^2 + 0n  + 3 ( n^2 - 3n - 3

         n^3 - n^2

                   -3n^2 + 0n

                   -3n62 + 3n

                               - 3n + 3

                                -3n + 3  

So the factors are 6n(n - 1)(n^2 - 3n - 3).

6 0
3 years ago
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