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3 years ago

15

Estimate the sum to the nearest hundreds 166+427

2 answers:

quester [9]3 years ago

5 0

The answer to your question is 600

mr_godi [17]3 years ago

4 0

166 estimated to the nearest hundreds would be 200 (6 is greater than 5, and so you round up. & since you are rounding to the nearest hundred, you have to look at the digit in the tens place)

427 estimated to the nearest hundreds would be 400

400 + 200 = 600

your estimated sum is 600

hope this helps

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For what values of the variables are the following expressions defined? 1. 5y+2 2. 18/y 3. 1/x+7 4. 2b/10−b Example: X>7

Serga [27]

Answer:

1. All real numbers

2. All real numbers except y = 0

3. All real numbers except x = -7

4. All real numbers except b = 10

Step-by-step explanation:

For any function to be defined at a particular value, it should not be <em>approaching to a value </em> $\infty$ <em> or it should not give us the </em> $\frac{0}{0}$ <em> (zero by zero) form </em> when the input is given to the function.

The value of function will depend on the denominator.

Now, let us consider the given functions one by one:

1. 5y+2

Here denominator is 1. So, it can not attain a value $\infty$ or $\frac{0}{0}$ <em> (zero by zero) form </em>

So, for all real numbers, the function is defined.

$2.\ \dfrac{18}{y}$

At y = 0, the value

$At\ y =0, \dfrac{18}{y} \rightarrow \infty$

So, the given function is <em>defined for all real numbers except y = 0</em>

<em></em>

<em></em> $3.\ \dfrac{1}{x+7}$ <em></em>

Let us consider denominator:

x + 7 can be zero at a value x = -7

$At\ x =-7, \dfrac{1}{x+7} \rightarrow \infty$

So, the given function is <em>defined for all real numbers except x = -7</em>

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$4.\ \dfrac{2b}{10-b}$

Let us consider denominator:

10-b can be zero at a value b = 10

$At\ b =10, \dfrac{2b}{10-b} \rightarrow \infty$

So, the given function is <em>defined for all real numbers except b = 10</em>

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3 years ago

What are two other negative integers that have the same sum as -2 and -5

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Answer:

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Step-by-step explanation:

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krok68 [10]

So what you would need to add to get -6 is -5-1 then your answer would be -6 hope this helps!

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2 years ago

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elena-s [515]

Answer:

C=$50+$75×T

Step-by-step explanation:

$50 is the amount charged to record an album + 75 amount charged per hour ×T which is how much hours you are going to record an audio.

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Answer:

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Step-by-step explanation:

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