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3 years ago

15 X 10^5 in scientific notation

Mathematics

1 answer:

goldenfox [79]3 years ago

4 0

15 x $10^{5}$ = 1.5 x $10^{6}$

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GUYS I NEED HELP ASAP

vovangra [49]

Answer:

$A=2400ft$

Step-by-step explanation:

A rectangle is a closed planer quadrilateral with four right angles and its opposite sides are the same length. The fence around it including the gates is 200 feet long, so basically they are providing the perimeter of the rectangle. The perimeter of a rectangle is equal to the sum of all its sides. Hence:

$Perimeter=w+h+w+h=2w+2h\\\\Where:\\\\w=Width\\h=Height$

The ectangular playground is 40 feet wide, so:

$w=40ft$

Therefore:

$Perimeter=2w+2h\\\\200=2(40)+2h\\\\200=80+2h$

Solving for h:

$2h=200-80\\\\2h=120\\\\h=\frac{120}{2} \\\\h=60ft$

The area of a rectangle is equal to the product of two of its contiguous sides, hence:

$A=wh\\\\A=(40)(60)=2400ft$

I attached you a picture of the rectangle

5 0

3 years ago

The tenth odd number (1 is the first odd number, 3 is the second odd number and so on what are the indicated value or values?? N

Elza [17]

The answer going to be 5

6 0

4 years ago

Find the volume of the following square pyramid<br> PLEASE HELP

trapecia [35]

Answer:

85t

Step-by-step explanation:

1. Volume of a cone: 1. V = (1/3)πr2h 2. Slant height of a cone: 1. s = √(r2 + h2) 3. Lateral surface area of a cone: 1. L = πrs = πr√(r2 + h2) 4. Base surface area of a cone (a circle): 1. B = πr2 5. Total surface area of a cone: 1. A = L + B = πrs + πr2 = πr(s + r) = πr(r + √(r2 + h2))

hope this helps

4 0

3 years ago

Solve the exponential equation: 210 = 42x

STALIN [3.7K]

Answer:

to get x you need to divide

210/42= 5

x=5

5 0

3 years ago

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Solve 3[-x + (2 x + 1)] = X-1.<br> X =

dexar [7]

X= -2

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3 years ago