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lora16 [44]
3 years ago
15

1. A number plus 7 is at most 4.​

Mathematics
2 answers:
SVEN [57.7K]3 years ago
6 0

Answer:

n + 7 ≤ 4

Step-by-step explanation:

Let's assume n = "a number".

n + 7 = the number plus 7

"at most 4" means "≤4"

Therefore, the answer would be:  n + 7 ≤ 4

nasty-shy [4]3 years ago
3 0

Answer:

-3

4 - 7 = -3.

-3 + 7 = 4.

They are in a fact family.

The answer is -3.

Hope it helps!

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Answer:

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Step-by-step explanation:

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So it will therefore take 1260*pi/10*pi = 126 seconds for all of the sand from the top hourglass to drip down to the bottom hourglass.

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3 years ago
Work out the circumference of this circle take pie to be 3.142 and give your answer to 1 decimal place R=9m
olasank [31]

Answer:

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Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
1.
Bad White [126]

first polygon

ext. angle=180°-120°

=60°

ext \: ang =  \frac{360}{n}

n=360°/60°

n=6

second polygon

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? What M? What is impossible?

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