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3 years ago

Which situation describes a time when it would be all right to round the numbers?

Mathematics

1 answer:

Alborosie3 years ago

6 0

I think the correct answer is B

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The graph shows the solution to which system of inequalities?

Nimfa-mama [501]

Answer:

top right.

Step-by-step explanation:

5 0

3 years ago

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An album download costs $18. What is the total cost of the album if they must pay a 6.25% sales tax?

Shkiper50 [21]

The answer is 19.125 or you can round it to 19.13

3 0

3 years ago

What is the value of x , if y = 2<br>in the given equation ;<br><br>5x + 2y = 9

Strike441 [17]

<h3><u>Explanation</u></h3>

Given the equation.

$5x + 2y = 9$

with given condition where y = 2.

Therefore, substitute the value of y in the equation.

$5x + 2(2) = 9 \\ 5x + 4 = 9$

Solve the equation for x-term.

$5x = 9 - 4 \\ 5x = 5 \\ x = \frac{5}{5} \longrightarrow \frac{1}{1} \\ x = 1$

Check the answer by substituting both x-value and given y-value in the equation.

$5x + 2y = 9 \\ 5(1) + 2(2) = 9 \\ 5 + 4 = 9 \\ 9 = 9 \longrightarrow \bf{true} \: \green{ \checkmark}$

Hence, the value of x is 1.

<h3><u>Answer</u></h3>

<u> $\large{x = 1}$ </u>

3 0

3 years ago

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What is the range of y=x^2-5 when the domain is

erik [133]

If The domain is all real numbers then the range is All real numbers equal or greater than -5

5 0

4 years ago

9. Mary works in a factory that produces 1,000 telephones each day. When 30 telephones were sampled, it was found that 9 were de

ExtremeBDS [4]

Determine the ratio of defective telephones
ratio = 9/30
ratio = 3/10
3 of 10 telephones are defective

Determine the number of defective telephones each day
def telephone = ratio of defective × total production
def telephone = 3/10 × 1000
def telephone = 300

There are 300 defective telephones each day

4 0

4 years ago