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prisoha [69]
2 years ago
15

I need help on this :,)

Mathematics
2 answers:
Stella [2.4K]2 years ago
5 0
4.5 times 2.5= 11.25
WARRIOR [948]2 years ago
5 0
The answer is 4.5x2.5=11.25
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When writing a number in scientific notation, if you move the decimal point to the left 3 places, then you must _____. multiply
Naddika [18.5K]

Answer:

Multiply by 10.

Step-by-step explanation:

When writing a number in scientific notation, if you move the decimal point to the left 3 places, then you must multiply by 10.

6 0
2 years ago
What the algebraic rule for a dilation with a scale factor of 3
Marianna [84]

Step-by-step explanation & answer:

When a dilation in the coordinate plane has the origin as the center of dilation, we can find points on the dilated image by multiplying the x and y coordinates of the original figure by the scale factor.

For example, if the scale factor is "k", the algebraic representation of the dilation is

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For enlargements, k > 1 and for reductions, k < 1.

Hope this is what you needed:)

7 0
3 years ago
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Answer:

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3 years ago
1. A poll asked 15 teenagers their gender and whether or not they play basketball. The results are recorded in the table.
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3x\ and \ 5x\\\\&#10;3x+5x=72\\&#10;8x=72\ \ \ |divide\ by\ 8\\x=9\\\\&#10;3x=3*9=27\\&#10;5x=5*9=45\\\\&#10;Ratio\ of\ rolls:\ \ 27:45.
3 0
3 years ago
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