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3 years ago

800,000 rounded to the nearest hundred thousand

Mathematics

1 answer:

8090 [49]3 years ago

7 0

It would stay the same at 800,000 because there's nothing to show that it can be rounded.

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How could you use the Distributive Property to rewrite the expression −(8 + 12)?

guajiro [1.7K]

Answer:

-20

Step-by-step explanation:

-8-12=-20

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3 years ago

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How do you graph y=1/5x-2

zmey [24]

<span>That's how it's graphed.</span>

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3 years ago

Why is division not commutative

Kamila [148]

Division CANNOT be commutative, here is why

lets say the problem is 24÷4

it is obviously 6

but when you flip 24÷4, you get 4÷24

and... 4÷24 is 0.16666666

6 and 0.1666 is totally different :p

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3 years ago

What is 70/6 times 18/4 in simplest form

Alenkasestr [34]

70/6 × 18/4

70 * 18/6*4. cross out 18 and 6.

= 70*3/4

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= 35*3/2

= 105/2

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OR

52 1/2.

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3 years ago

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the combined age of april and laura is 23 years. laura's age is two years more than half of april's age. what is laura's age

Kipish [7]

Laura's age is 9 years.

Solution:

Let x be the age of April.

Laura's age = 2 years more than half of April's age

<u>Convert statement into algebraic expression:</u>

Half of April's age = $\frac{x}{2}$

2 years more than half of April's age = $\frac{x}{2}+2$

Combined age of April and Laura = 23

⇒ April's age + Laura's age = 23

$$\Rightarrow \ \ x+(\frac{x}{2}+2) =23$

$$\Rightarrow \ \ x+\frac{x}{2}+2 =23$

$$\Rightarrow \ \ \frac{x}{1}+\frac{x}{2}+\frac{2}{1} =23$

To add the fractions make the denominators same.

Multiplying 2 on both numerator and denominator of unlike terms, we get

$$\Rightarrow \ \ \frac{x\times2}{1\times2}+\frac{x}{2}+\frac{2\times2}{1\times2} =23$

$$\Rightarrow \ \ \frac{2x}{2}+\frac{x}{2}+\frac{4}{2} =23$

Denominators are same, now add the fractions.

$$\Rightarrow \ \ \frac{2x+x+4}{2} =23$

Do cross multiplication.

$$\Rightarrow \ \ 2x+x+4=23\times2$

$$\Rightarrow \ \ 3x=46-4$

$$\Rightarrow \ \ 3x=42$

$$\Rightarrow \ \ x=14$

Aprils's age = 14 years

Laura's age = $\frac{14}{2}+2$

= 7 + 2

Laura's age = 9

Hence Laura's age is 9 years.

8 0

3 years ago