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2 years ago

What is the expanded form of this number?

Mathematics

2 answers:

nekit [7.7K]2 years ago

7 0

Answer:

it’s (1x10)+(4x1)+(7x1/10)+(2x1/100)

Step-by-step explanation:

if yu had all this up it might not equal to it but it’s going to equal once times and then had the last number to what yu times in the perthesis

Mazyrski [523]2 years ago

3 0

It’s the first one (1•10)+(4•1)+(7•1/10)+(2•1/1000)

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HELP Sam measures the height of 7 different scoops of ice cream. The mean of the heights was 3.8 cm. Which of the following best

OLga [1]

Sam measures the height of 7 different scoops of ice cream. The mean height was 3.8 cm. If all the scoops are evenly distributed, they would all be 3.8 cm tall.

<h3>How to find the mean value of a data set?</h3>

The mean value of the data set is the ratio of the sum of the data set's values to the number of values it has.

If the data set consists of values

x_1, x_2, ..., x_n

, then we get the mean value as:

$\overline{x} = \dfrac{x_1 + x_2 + \cdots + x_n}{n}$

Sam measures the height of 7 different scoops of ice cream. The mean height was 3.8 cm.

$\overline{x} = \dfrac{x_1 + x_2 + \cdots + x_n}{n}$

mean= $\dfrac{(a+b+c+d+e+f+g)}{7}$

Therefore, If all the scoops are evenly distributed, they would all be 3.8 cm tall.

Learn more about mean;

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What is 2x-3y=5<br> x+2y=-1

ikadub [295]

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3 years ago

Write xy^2-by^2-ax+ab+y^2-a as a product

Eddi Din [679]

Answer: (y^2-a)(1+x-b)

Step-by-step explanation:

Factor out the common terms: =x(y^2-a)-by^2+ab+y^2-a

Then rewrite as: =(y^2-a)x-by^2+ab+1 x (y^2-a)

Factor out the common term (y^2 - a): =(y^2-a)(x+1)-by^2+ab

Factor out the common term b: =(y^2-a)(1+x)+b(-y^2+a)

Rewrite as: =(y^2-a)(1+x)-(y^2-a)b

Factor out the common term (y^2 - a): =(y^2-a)(1+x-b)

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