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REY [17]
3 years ago
5

What is the scientific notation of 8,150,000

Mathematics
2 answers:
Bess [88]3 years ago
3 0
The scientific notation of this number would be 81500000e-1
denpristay [2]3 years ago
3 0
<span>Answer: 8150000=8.15⋅<span>106</span></span>
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The area of a rectangle is 64 square meters. If the length is 3 times the width, then find the dimensions of the rectangle. Roun
Anna71 [15]
Length:3x
width:x
3x•x=64
3x^2=64
x^2=21 1/3
x= about 4.6188
length:3(4.6188)=13.86 meters
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8 0
4 years ago
How many purple marbles are there?
Ksenya-84 [330]
If Yellow is x
Then purple is 3x-8
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8 0
3 years ago
Write the expression in factored form 36w^2-4
9966 [12]
C. In each of the other instances, you will get a w term. This one will cause the w the w term to cancel out as it does in the original. 
4 0
3 years ago
Mr. Smith wants to order some pizza and cheese pizza cost $11 and pepperoni pizza cost $12.50 if you bought 13 pieces total and
Triss [41]

Answer: Mr Smith bought 7 pepperoni pizza

Step-by-step explanation:

Step 1

cost of cheese pizza  =$11

pepperoni pizza cost =$12.50

let number cheese pizza be represented as c

and number of pepperoni pizza be represented as p

such that the total number of pizza  bought which equals 13 can be represented as

c+ p= 13

and total cost of both pizza  can be expressed as

11c+ 12.50p =153.50

Step 2 Solving

 c+ p= 13

11c+ 12.50p =153.50

By elimination method, Multiply equation 1 by 11 and subtract the new equation from equation 2

11c+ 12.50p =153.50

11c+ 11p=143.

1.5p =10.5

p= 10.5/ 1.5 =7

c+ p= 13

c= 13-p =13-7=6

Therefore Mr Smith bought 6 cheese pizza and 7 pepperoni pizza

6 0
3 years ago
Suppose that x and y vary inversely, and x=30 when y=2. Find y when x=5
Sedbober [7]
I don’t know- the first thing I would think is that x=15*y because 30=15*2

So that’s my thinking, which means that if x=5, then y=5/15 or 1/3 or as a decimal .33

However I’m not sure if that’s right- I hope it helps!
4 0
3 years ago
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