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Anestetic [448]
3 years ago
14

2x • 2xy • -x to the second power

Mathematics
1 answer:
Vika [28.1K]3 years ago
4 0

Answer:

4x⁴y  

Step-by-step explanation:

Square the -x

2x·2xy·(-x)²= 2x·2xy·x²

Use the  commutative property of multiplication to rearrange the order

2x·2xy·x² = 2·2·x·x·x²·y

Use the  associative property of multiplication to combine like terms

2·2·x·x·x²·y = ( 2·2)·(x·x·x²)·y

Simplify

( 2·2)·(x·x·x²)·y = 4x⁴y

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A fruit bowl is shaped like half of a sphere. The radius of the bowl is 15 cm. What is the volume of the bowl?
Delicious77 [7]

Answer:

(4500(Pi))/2 or 7068.585

Step-by-step explanation:

r = 15 cm

volume of a sphere:

(4/3)(Pi)r^3

Therefore:

(4/3)(Pi)15^3

15^3 = 3375

4/3 * 3375 = 4500

and since it is half a sphere (it is a bowl) the answer would be divided by two:

4500(Pi) divided by 2

14137.17 divided by 2

5 0
3 years ago
Name:
Triss [41]

Answer:

A

Step-by-step explanation:

The reason it's A is because to make the ratio 1:1 you need to have a whole number you can't have half a pencil or pen, so what you need to do is add 22 and 96 and divide you should get 59, but if you add 23 to 96 and divide you get 59.5 and you can't have half a pencil (you can but that's not what were looking for). So in problems like this add and then divide by 2 and choose whole numbers because you can't have half in ratios cause that won't give the correct answer.

8 0
3 years ago
Read 2 more answers
Which of these best explains the next step to simplify this expression? 3y−45=35y−4 Question 22 options: Make the –4 exponent in
NISA [10]

The value of y from the give expression is 1

<h3>Expressions and equations</h3>

Give the following expression

\frac{3y^{-4}}{5} = \frac{3}{5y^{-4}}

Cross multiply the given expression

3y^{-4}\times 5y^{-4}= 5 \times 3\\15y^{-8}=15\\

Divide both sides by 15

y^{-8}=1\\\frac{1}{y^8} =1\\y^8=1\\y=1

Hence the value of y from the given expression is 1

Learn more on indices here: brainly.com/question/10339517

3 0
3 years ago
What is this rounding to the nearest hundred thousand 289,659
Tema [17]
300,000
the hundred thousands place is "2" and 28 is closer to 30
4 0
3 years ago
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Please Help Not Sure How To Due This Problem.
olganol [36]
The answer is in the picture

7 0
3 years ago
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