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Margaret [11]
3 years ago
9

I need help with this

Mathematics
2 answers:
Otrada [13]3 years ago
7 0
The answer is A. “The sum” indicates that we are adding. So if we’re finding the sum of -4x and 2 that means that we’re adding those two numbers. “Is” indicates that something is equal to or the same as, in this case it is equal to. The answer is; “-4x+2=9”
Crazy boy [7]3 years ago
6 0
The correct answer is A.
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If 50% is 10 what is 25%​
kaheart [24]

Step-by-step explanation:. The first says “I know that 10 is one-tenth of 100. I will therefore divide 50 by 10. The answer is 5”.

This is fine when the numbers are relatively simple. But suppose the numbers are more complicated.

What is 22% of 46?

Now it’s much less straightforward. You can’t just work out what 22% is, expressed as a fraction, and anyway, it’s not a simple fraction.

Instead, you have to divide 46 into 100 equal parts, and work out what 22 of them would be when added together.

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8 0
2 years ago
Which of the following is an example of a quantitative variable?
egoroff_w [7]

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C) A person's height, recorded in inches

Step-by-step explanation:

Quantitative Variable:

  • A quantitative variable is a variable which can be measured and have a numeric outcome.
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A) The color of an automobile

The color of car is not a quantitative variable as its outcome cannot be measured and expressed in value. It is a categorical variable.

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Height is a qualitative variable because it can be measured and its value is expressed in numbers.

5 0
3 years ago
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