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-Dominant- [34]
3 years ago
8

What is a exponential notation

Mathematics
1 answer:
BigorU [14]3 years ago
8 0
<span>here is some introduction.


A common language is needed in order to communicate mathematical ideas clearly and efficiently. Exponential notation is one example. It was developed to write repeated multiplication more efficiently. For example, growth occurs in living organisms by the division of cells. One type of cell divides 2 times in an hour. So in 12 hours, the cell will divide 2 • 2 • 2 • 2 • 2 • 2 • 2 • 2 • 2 • 2 • 2 • 2 times. This can be written more efficiently as 212.</span>
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Find the equation of the line through point (8,−9) ( 8 , − 9 ) and perpendicular to 3+8=4 3 x + 8 y = 4 .
Leno4ka [110]

The equation of the line will be 3y + 8x = 165.

<h3>What is an equation?</h3>

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

Given that:-

  • Find the equation of the line through point (8,−9) ( 8, − 9 ) and perpendicular to 3 x + 8 y = 4.

The given equation of the line is:-

3 x + 8 y = 4.

The slope of this line will be:-

3 x + 8 y = 4.

8y = -3x + 4

y = -3 /8x + ( 1 / 2)

y = mx + c

m = -3 / 8

Since the line is perpendicular to the other line 3x +8y = 4 so the slope will be inverse and negative for the line.

So the slope of the line will be -8 / 3

The equation of the line passing through the point will be given as:-

y - y 1 = m ( x- x1)

y - (-9) = ( -8 / 3) ( x - 8)

Y + 9 = ( -8 / 3 ) ( x -8 )

3 y = -8x + 165

3y + 8x = 165

Therefore the equation of the line will be 3y + 8x = 165.

To know more about equations follow

brainly.com/question/2972832

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2 years ago
What is the value of y? Round to the nearest tenth <br> Need help fast !!
VMariaS [17]

Answer:

y=4 mm

Step-by-step explanation:

All angles in a triangle add up to 180: 180=∠M+∠P+∠N, ∠M=180-60-90=30

<u>Use sine rule</u>

a/sinA=b/sinB

PN/sin∠M=PM/sin∠N

y/sin30=8/sin90

y=8/1 *sin30

y=8*0.5

y=4 mm

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3 years ago
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Answer:

It takes him 4 hours to paint 380 square feet of the fence.

Step-by-step explanation:

Since it took one hour to paint 95 square feet of his fence, you just divide 380 by 95 to get 4.

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Answer:

126

Step-by-step explanation:

21

x 6

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126

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4 years ago
Shelia works 8 hours per day Monday, Wednesday, and Friday, and 6 hours a day on Tuesday and Thursday. She does not work on Satu
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