3 years ago

Which number is an irrational number??

Mathematics

1 answer:

insens350 [35]3 years ago

7 0

Answer:

C -2.2675

Irrational numbers cannot be expressed as a fraction for any integers and they have decimal expansions

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Solve 3x+k= c for x.

Debora [2.8K]

Answer:

x = $\frac{c-k}{3}$

Step-by-step explanation:

Given

3x + k = c ( isolate the term 3x by subtracting k from both sides )

3x = c - k ( divide both sides by 3 )

x = $\frac{c-k}{3}$

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a rectangle room has an area of 400 square feet. the length is 7 feet less than twice the width. find the dimensions of the room

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2800 x 7 That’s what I’m guessing

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Ms. Phillips ordered 56 pizzas for a school tundraiser. Of the pizzas ordered, of them were pepperoni, 19 were cheese, and the r

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How many of them were pepperoni?? I cant answer if information is missing...

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The height of an object varies directly with the length of its shadow, A person who is 6 feet tall casts a 15-foot shadow, how l

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If 6 * 15/6 = 15, then 20 * 15/6 = 50, answer B.

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3 years ago

Read 2 more answers

Let E = {(x, y) e R2|xy > 0}. Determine whether E is a subspace of R2 . X3

gayaneshka [121]

Answer:

E is not a subspace of $\mathbb{R}^2$

Step-by-step explanation:

E is not a subspace of $\mathbb{R}^2$

In order to see this, we must find two points (a,b), (c,d) in E such that (a,b) + (c,d) is not in E.

Consider

(a,b) = (1,1)

(c,d) = (-1,-1)

It is easy to see that both (a,b) and (c,d) are in E since 1*1>0 and (1-)*(-1)>0.

But (a,b) + (c,d) = (1-1, 1-1) = (0,0)

and (0,0) is not in E.

By the way, it can be proved that in any vector space all sub spaces must have the vector zero.

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3 years ago