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3 years ago

I’m not sure what they mean by right triangle? Can u help?

Mathematics

2 answers:

jolli1 [7]3 years ago

6 0

A triangle with a 90 degree angle

hodyreva [135]3 years ago

3 0

Answer:

A right triangle with a 90 degree angle. Also, for the question, use the Pythagoras theorem. a^2 + b^2 = c^2. Use the two smaller sides for a^2 + b^2 and the larger number for c^2. If they are equal on both sides, then it is a right triangle. For example on the first problem, 10^2 + 15^2 does not equal 20^2. Therefore, the answer would be no.

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If S = {x,y,4,9,?) , which could describe U ?

Blizzard [7]

Answer:- A) U= { keys on a keyboard}

Explanation:-

A set is a well defined collection of objects.
A Universal set is the set containing all objects and all other sets are subsets of the universal set. It is denoted by 'U'.

Given set : S = {x,y,4,9,?}

Clearly it contains numbers (4,9), alphabets(x,y) and punctuation mark(?).

Thus the universal set of the given set must contain all of them.

Thus U={keys on a keyboard}

5 0

3 years ago

Read 2 more answers

What is the value of x? Enter your answer in the box. x =

Crazy boy [7]

Answer:

Easy

Step-by-step explanation:

as u can see this a obtuse angle witch mean that x= 190

7 0

3 years ago

PLEASE HELP ME ANYONE !!!

nadezda [96]

The answer is -10! Glade I could help!!

6 0

3 years ago

Read 2 more answers

For every white car there is 3 black cars,what is the percentage of white cars on the road?

N76 [4]

Answer:

25%

Step-by-step explanation:

1 white car + 3 black cars

4 cars in total

1 out of 4

1/4 = 0.25

25%

4 0

3 years ago

How do you determine whether the sequence a_n=(2^n+3^n) / (2^n−3^n) converges, if so how do you find the limit?

solniwko [45]

You determine the limit by $\lim_{n \to \infty} a_n = -1$ .

A limit in mathematics is a point at which a function approaches the output for the specified input values. Calculus and mathematical analysis depend on limits, which are also used to determine integrals, derivatives, and continuity. The concept of limit, which is founded on the idea of closeness, is largely used to give values to some functions at points when none are defined in a way that is consistent with values close by.

Divide the denominator and numerator by 3n as shown.

$\lim_{n \to \infty} a_n = \lim_{n \to \infty} \frac{2^n+3^n}{2^n-3^n\\}$

$= \lim_{n \to \infty} \frac{(\frac{2}{3})^n+1 }{(\frac{2}{3})^n-1 } \\=\frac{0+1}{0-1} \\=-1$

To learn more about limits, refer:-

brainly.com/question/12211820

#SPJ4

8 0

1 year ago