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Veronika [31]
3 years ago
10

How do you round 18.386 to the nearest hundredth

Mathematics
1 answer:
Debora [2.8K]3 years ago
4 0
Your answer would be 18.39

And here's why:

Behind the decimal your numbers are in the following places.

The (3) is in the tenths place.
The (8) is in the hundredths place.
And the (6) is in the thousandths place.

Whatever number is AFTER the place your rounding, is going to help you out.

If the number is 1-4, you round down.
If the number is 5-9, you round up.

Hope this helps! (:
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How many 1/3 cups are in 2/3 cup?
KengaRu [80]

Answer: 2 , 1/3 cups

Step-by-step explanation:

1/3 is the base number and 2/3 is another third being added onto the singular 1/3. The awnser would be 2 because 1/3+1/3= 2/3 or 2/3/2= 1/3

5 0
3 years ago
X^2 - 8x = 3 by completing the square
Anit [1.1K]
<h2>Solving Quadratic Equations by Completing the Square Method</h2><h3>Answer:</h3>

x = 4 +\sqrt{19} and x = 4 -\sqrt{19}

<h3>Step-by-step explanation:</h3>

Recall:

x^2 -2ax +a^2 = (x -a)^2

x^2 -8x = 3 \\ x^2 -8x +16 = 3 +16 \\ (x -4)^2 = 19 \\ x -4 = ±\sqrt{19} \\ x = 4 ±\sqrt{19}

3 0
3 years ago
A right circular cylindrical metallic rod is 15 inches tall. The radius of the base is 2 inches. What is the surface area of the
Artyom0805 [142]

Answer: Surface area = 68π inches²

Step-by-step explanation:

The formula for determining the total surface area of the circular cylindrical metallic rod is expressed as

Total surface area = 2πr² + 2πrh

Where

r represents the radius of the cylindrical rod.

h represents the height of the cylindrical rod.

π is a constant whose value is 3.14

From the information given,

Radius = 2 inches

Height = 15 inches

Therefore,

Surface area = (2 × π × 2²) + 2 × π × 2 × 15) = 8π + 60π

Surface area = 68π inches²

4 0
3 years ago
What is the effect on the graph of y=-2x+7 if the slope changes to 2
Tatiana [17]
In y=-2x+7 the graph will rise from right to left while in y=2x+7 the graph will rise from left to right. Which gives us in conclusion of the slope is negative the graph line will rise from right to left and if positive then left to right
3 0
2 years ago
In a standard deck of 52 playing cards, what is the complement (not below 8)?
Damm [24]

Answer 2/13

Step-by-step explanation:

There are 52 cards in a standard deck: 13 ordinal cards (Ace -10, jack, Queen, King)and 4 of them

- one to each sute (hearts, diamonds, clubs, spades ) and so we have 4x13=52

There are 8 card that fit the question (4 each of access and kings).

so if you in a random draw the odds of drawing one of those 8 card out of the total number of 52 is 8/52

which we simplify

8/2=2/13

8 0
3 years ago
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