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Monica [59]
2 years ago
8

1920.2923 in expanded form and in words

Mathematics
1 answer:
STALIN [3.7K]2 years ago
3 0

Answer:

1,000  

+ 900  

+ 20  

+ 0  

+   0.2

+   0.09

+   0.002

+   0.0003

Step-by-step explanation:

one thousand nine hundred twenty and two thousand nine hundred twenty-three ten-thousandths

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Simplify the expression
Molodets [167]

Answer:

8x^8/3 y^4 - The first option

Step-by-step explanation:

The first thing we need to do is the exponent outside the bracket and leave the 8 till last, because exponents always come before multiplying coefficients. When an term with an exponent is multiplied by another exponent outside a bracket, the exponents of both terms are multiplied by the exponent outside the bracket.

This means that the expression is now:

8(x^2*4/3 y^3*4/3)

First we can so the x term. The x term already has an exponent of 2, so the 2 is multiplied by the 4/3 exponent outside the bracket. 2*4/3 = 8/3, so the x term is now: x^8/3

The same happens to the y term: 3*4/3 simplifies to 4, so the y term is now y^4.

So now our expression is:

8(x^8/3 y^4)

Now the 8 outside the bracket simply multiplies on to the whole term so we finish with:

8x^8/3 y^4 - The first option.

Hope this helped!

7 0
3 years ago
PLEASE HELP!!!!!!!!! Solve the system using elimination method.
NeX [460]

Answer:

The answer is (6,12)

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8 0
2 years ago
The base of the pyramid is a square what is the surface area if the pyramids height is 4 feet in the area of the base is 36 ft.?
KATRIN_1 [288]

Answer:

96 ft²

Step-by-step explanation:

The general formula for the surface area of a pyramid is:  

SA = \frac{1}{2}pl + B, were p = the perimeter of the base, l = the slant height and B = the area of the base

Since the area of the base is 36 ft², then each side is √36, or 6 ft. The perimeter is the sum of all the sides, so 6 x 4 = 24 ft.

Given the overall height of the pyramid is 4 feet, you can use the Pythagorean Theorem (a² + b² = c²) to find the slant height (hypotenuse) of the pyramid.  Using 3 feet for 'a' and 4 feet for 'b':

3² + 4² = c² or 9 + 16 = 25

25 = c² or c = 5

SA =  \frac{1}{2}(24)(5) + 36

SA = 60 + 36 = 96 ft²

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3 years ago
Nicholas has 8 pieces of rope that are 4 yards each. He uses 4 pieces that are each 4 feet long.
Komok [63]
What's the question nbnnbbb
4 0
3 years ago
What is 3/8 divided by 2/5
mariarad [96]

\frac{15}{16}
<span>Hope this helps. c:</span>
7 0
3 years ago
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