2 years ago

Which of the following is less than -3?

Mathematics

1 answer:

Lady bird [3.3K]2 years ago

3 0

Any number less than -3, so -3.5, -4, -5, -6, -6.35368, -7, etc.

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A population of bacterica is growing exponentially. It takes the population 15 minutes to double. How long will it take for the

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Frank received a monthly statement for his college savings account. It listed a deposit of $100 as +100.00. It listed a withdraw

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Add: $100

Take Out: $25

Total: $835.50

Step-by-step explanation:

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2 years ago

Prove the divisibility of the following numbers:<br><br> 51^7-51^6 by 25

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To prove the divisibility lets expand each number first to get the complete picture of the problem

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= 8.798143901. 10^11

$\frac{8.798143901. 10^11}{25}$

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Find the number to add to x^2-18x

pentagon [3]

Answer:

A. add 81; $(x-9)^2$

Step-by-step explanation:

The perfect square formula

$(a-b)^2=a^2-2ab+b^2$

Rewrite expression $x^2-18x$ as follows:

$x^2-2\cdot 9\cdot x$

So, to form a perfect square, $+9^2$ is missed.

When we add $9^2=81,$ we will get

$x^2-2\cdot 9\cdot x+9^2=(x-9)^2$

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2 years ago