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Mnenie [13.5K]
3 years ago
8

Write two different pairs of decimals whose sums are 8.69. One pair should involve regrouping

Mathematics
2 answers:
chubhunter [2.5K]3 years ago
7 0
One pair is 4.345+4.345 (which is the pair that does not involve grouping)
irina1246 [14]3 years ago
5 0
One pair is 6.59+2.1
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Alexa and Daniel , two students of middle school together collected $20 from the students for annual function of their school .
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Answer:

x + y = 20

Step-by-step explanation:

Let the amount collected by Alexa = $x

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Total amount collected = $20

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How can you use factors to write a number as a product?
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An ice cream shop offers 5 different types of ice cream, 6 different toppings and the option of having a small, medium or large.
prohojiy [21]

Answer:

90 possible outcomes.

Step-by-step explanation:

In order to find the total number of combinations possible you simply need to multiply the total number of each options with one another. For example, the number of options in each category are the following

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size: 3  (small, medium, large)

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5 0
3 years ago
From delta math:<br> Subtract -2x^2 + 3x - 9 from 8x^2 + 10x - 10
Leto [7]

Answer:

10x^2 + 7x - 1

Step-by-step explanation:

Step 1: Build the expression in numerical form.

  • (8x^2 +10x - 10) - (-2x^2 + 3x - 9)

Step 2: Distribute the negative sign.

  • 8x^2 +10x -10 + (-1)(-2x^2) + (-1)(3x) + (-1)(-9)
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Step 3: Combine like terms.

  • (8x^2 +2x^2) + (10x -3x) + (-10+9)
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Therefore, the answer is 10x^2 + 7x -1.

4 0
2 years ago
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