State whether the given set of angles form a triangle. Select all that apply.

Mathematics

2 answers:

elena55 [62]3 years ago

8 0

Answer:

Your answers are 1,4,5

Step-by-step explanation:

Triangles add up to 180 degrees, so all you have to do is add the degrees together.

86+53+41 = 180

47+84+56 = 187

70+22+68 = 160

54+97+29 = 180

33+90+57 = 180

Rainbow [258]3 years ago

6 0

$\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}$

Actually Welcome to the concept of Angle sum property of a triangle.

To form a triangle, all angles must sum exactly to 180°.

So the correct options are :-

1.) 86°, 53°, 41°

4.) 54°, 97° , 29°

5.) 33° , 90° , 57°

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Maisha has 3(x+2) hours reading a book 8x-5 hours sleeping and 2x hours playing.How many hours did she spend in all of these act

Mandarinka [93]

Add all the activities together

=3(x+2) + (8x-5) + 2x
multiply 3 by all in parentheses
=(3*x) + (3*2) + (8x-5) + 2x
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combine like terms
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ANSWER: 13x + 1

Hope this helps! :)

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3 years ago

Using the quadratic formula to solve 11x^2-4x=1, what are the values of X?

Rashid [163]

The correct answers for x would be $\frac{2 +/- \sqrt{15} }{11}$ .

In order to find this, we must first get the equation to equal 0. In order to do that, subtract 1 from each side to get the following.

11 $x^{2}$ - 4x - 1 = 0

Knowing this we can now use the quadratic equation using a = 11, b = -4 and c = -1. The quadratic equation is below.

$\frac{-b +/- \sqrt{ b^{2} - 4ac} }{2a}$

Now we can plug the values into the equation to solve.

$\frac{4 +/- \sqrt{ -4^{2} - 4(11)(-1)} }{2(11)}$

Then simplify using the order of operations.

$\frac{2 +/- \sqrt{15} }{11}$ .

5 0

4 years ago

(24+3)+3+3 use order of operations to solve

Stella [2.4K]

Answer:

Step-by-step explanation:

(24 + 3) + 3 + 3

(27) + 3 + 3 First solve what's in the parenthesis

30 + 3 Then work left to right

6 0

3 years ago

Read 2 more answers