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mamaluj [8]
3 years ago
12

Use the rules of significant figures to simplify the following expression: 47.2 - 6

Mathematics
1 answer:
Lostsunrise [7]3 years ago
7 0

Answer:

41.2

Step-by-step explanation:

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3 gallons coverted to cups
Oksana_A [137]
3 gallons converted to cups is 48 cups
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4 years ago
How do you solve +5=-5a+5
Bogdan [553]
You subtract the number (5) on the other side of the = sign from the number on the side of the = sign. and divide (-5a) by the number you subtracted before. So untimely- 5-5= 0 ÷ -5a = 0
6 0
3 years ago
you can use a calculator if you want. No links please help this is very important i will give you brain thing if its correct
erica [24]

Answer:

Step-by-step explanation:

0.25 x 0.044 = 0.011

a. Changing 0.25 to 25 moves the decimal 2 places to the right, and changing 0.044 to 44 moves the decimal 3 places to the right, so once we solve 25 x 44, we have to move the decimal a total of 5 places to the left.

25 x 44 = 1100, then move the decimal 5 places to the left to get 0.01100...but we don't add the zeros at the end.

b. multiplying 1/4 times 0.044 = 0.044/4 = 0.011

Hope this helps.

8 0
3 years ago
Consider 8x2 - 48x = -104.
ki77a [65]

Answer:

3+ 2\mathbf{i}

3- 2\mathbf{i}

Step-by-step explanation:

<u>Quadratic Equation Solving</u>

We have the equation:

8x^2-48x=-104

Divide by 8:

x^2-6x=-13

Now complete the squares so the left side is a perfect square of a binomial:

x^2-6x+9=-13+9=-4

Factoring the perfect square:

(x-3)^2=-4

Taking the square root:

x-3=\sqrt{-4}

The square root of a negative number is an imaginary number:

x-3=\pm 2\mathbf{i}

Solving for x:

x=3\pm 2\mathbf{i}

The solutions are:

3+ 2\mathbf{i}

3- 2\mathbf{i}

7 0
3 years ago
Estimate The problem <br><br> 2,731÷31
Vedmedyk [2.9K]

Answer:

your answer should be 90

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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