2 years ago

Simplify the expression: 1+–4+–7+7k2+8k

Mathematics

2 answers:

liubo4ka [24]2 years ago

6 0

1-4-7+7k^2+8k
-10+7k^2+8k

lidiya [134]2 years ago

4 0

-8+15k is the simplified expression form

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A farm has only chickens and pigs , Jason counted 140 legs in total and 440 legs. How many chickens are there

Keith_Richards [23]

Answer:

60 chickens

Step-by-step explanation:

We assume the 140 refers to the number animals (heads, noses, bodies, whatever). If all of those were chickens, there would be 280 legs. There are 160 legs more than that.

Since each pig that replaces a chicken adds 2 legs, there must be 160/2 = 80 pigs. That leaves 140 -80 = 60 chickens.

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3 years ago

Is 8.012 greater than 8.03

morpeh [17]

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2 years ago

Read 2 more answers

subset to real numbers, and as you can see are not at all connected to the rest of numbers (and integers).

Natali5045456 [20]

Irrational numbers are the subset of real numbers that are not at all connected to the rest of numbers.

The subsets of real numbers are natural numbers, whole numbers, integers, rational numbers and irrational numbers.

Natural numbers are subset of whole numbers, which are subset of integers, which are subset of rational numbers. Hence, all of them are interconnected. The set of irrational numbers is the only subset of real numbers which is not associated with the rest.

For example:-

1 is a natural number, whole number, integer, rational number but not irrational number. On the other hand, $\sqrt{2}$ is an irrational number but none of the rest.