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3 years ago

Please help like i really need it

Mathematics

1 answer:

Alexeev081 [22]3 years ago

8 0

Answer:

145 degrees.

Step-by-step explanation:

It is 180 minus 35 because they always have to equal 180 so I subtracted 180 by 35

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Write an equation of a line that is parallel to x=8 and that passes through the point (-3,-2)

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The answer is 22 because you have 8 then you multiply 3 that gives you 24 then you subtract 2 and that. gives. you 22

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3 years ago

What does, x, in the equation 2x-8=4 equal

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4 years ago

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What is the solution of /x+ 12 - X?<br> a). X=-3<br> b) x=4<br> c) x=-3 or x = 4<br> d) no solution

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3 years ago

Without simplifying, select all the expressions that represent a rational number. Group of answer choices LaTeX: 4\frac{2}{3}+\f

Inessa05 [86]

Answer:

Option C.

Step-by-step explanation:

We know the following properties,

1. Product of an irrational number and a non-zero rational number is always an irrational number.

2. Sum of a rational and an irrational number is always an irrational number.

3. Sum or products of rational numbers are always a rational number.

In option A,

$4\frac{2}{3}+\frac{\sqrt{3}}{9}$

Here, $\sqrt{3}$ is an irrational number.

$\frac{\sqrt{3}}{9}$ is an irrational number using property 1.

$4\frac{2}{3}+\frac{\sqrt{3}}{9}$ is an irrational number using property 2.

So, using the above properties we can say that this expression represents an irrational number.

Similarly,

In option B,

$4\frac{2}{3}\times\frac{8}{\sqrt{3}}$

Here, $\sqrt{3}$ is an irrational number. So, using the above properties we can say that this expression represents an irrational number.

In option C,

$4\frac{2}{3}-\frac{\sqrt{4}}{8}$

Here, $\sqrt{4}=2$ , which is a rational number.

So, this expression represents a rational number using property 3.

In option D,

$4\frac{2}{3}\times\frac{\sqrt{3}}{9}$

Here, $\sqrt{3}$ is an irrational number. So, using the above properties we can say that this expression represents an irrational number.

Therefore, the correct option is C.

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3 years ago