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Nat2105 [25]
3 years ago
8

Select the best answer for the question. .45÷10? A. 4.5. B. .45. C. 45. D. .045

Mathematics
2 answers:
belka [17]3 years ago
8 0
The answer to this question would be A. 4.5
Fiesta28 [93]3 years ago
7 0
A. 4.5 use a calculator
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The answer is chickens because the coopis full of eggs.
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3 years ago
6^2/2(3)+4= what is the answer
Lelechka [254]
6^2/2(3)+4
Follow the order of operations, (GEMDAS) which goes like this:
<em>grouping, exponents, multiplication/divison, addition/subtraction
</em>
First up is our grouping, specifically parentheses. While we do have parentheses in our expression there isn't anything going on <em>inside</em> of them that we'd have to do first. (The 2(3) is another way of writing 2×3.)

Next we have exponents, which would be our 6^2. (6 squared)
When something is squared, that means it is multiplied by itself. 6^2 = 6×6 = 36.

Now our expression is 36/2(3)+4.

Next we need to handle the multiplication and division. (order doesn't matter)
The best way to do this is from left to right. The 36/2 = 18...
Then 18(3) = 54.
If we took 36(3) then divided by 2 we would get the same answer.
However, what you <em>cannot</em> do is multiply the 2(3), simply because the 2 is a denominator of a fraction. If you don't know what this is or why, it's okay--just always do it left to right and you'll never have to worry about it.

Now our expression is 54+4.

Finally, we can handle the addition/subtraction. 54+4 leaves us with 58.
7 0
3 years ago
Read 2 more answers
-a(a² + 2a-1) for a = 2<br> pls help me solve this
Paraphin [41]

Answer:

I got you covered

Its -2(2^2 + 2 * 2 -) = -14                              ^ = exponent

Step-by-step explanation:

!!HOpe ThIs HeLps!!

Calculate with parentheses (2^2 + 2 * 2 -1) :7

= -2 * 7

The multiply and divide (left to right)

= -14

GL on the test

5 0
2 years ago
Read 2 more answers
What is the equation of the line with points represented in the table?
PilotLPTM [1.2K]

Answer:

b,c,f

Step-by-step explanation:

i took one for the team

4 0
3 years ago
Read 2 more answers
A square postage stamp has area 1280 mm. About how long is each​ side?
Afina-wow [57]

Answer:

Each side is 35.78 mm

Step-by-step explanation:

A square would have 4 equal sides.  Since area of a square is x^2, where x is one side, we can write:

x^2 = 1280

x = 35.78 mm

Each side is 35.78 mm

7 0
2 years ago
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