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2 years ago

Which list of angle measures could be the angle measures of a triangle?

Mathematics

1 answer:

Dovator [93]2 years ago

8 0

Hello there! So the answer would be D: 35 degrees, 60 degrees and 85 degrees. We know this because angles in a triangle sum to 180 degrees. By simply adding each angle up, we can confirm that 35 + 60 + 85 = 180. :)

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Tonisha has a lemonade stand. She has $25 in expenses and wants to make at least $55 per day.

Novosadov [1.4K]

Hello!

Your answer is:

x-31 ≥ 66⇒x ≥ 97!

Hopefully this helps! Please correct me if im wrong! :C

5 0

3 years ago

Find the value of..<br><br>

Zina [86]

Step-by-step explanation:

[1/2]^-2= 4

[1/3]^-2=9

[1/4]^-2=16

So sum is 4+9+16=29

Hope this helps you.

6 0

3 years ago

HELP IMMEDDIATLY, PLEASE

maxonik [38]

I think it's B and D because both of them will give you the same answer which is 2.71 but turn it into fraction.

5 0

3 years ago

Read 2 more answers

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Artemon [7]

Answer:

5, 9,13,17

Step-by-step explanation:

5 +4 +4+4

8 0

2 years ago

Read 2 more answers

For what value of k are the roots of the quadratic equation kx (x-2)+6=0 equal?

ser-zykov [4K]

Answer:

$\boxed{\sf k=6}$

Step-by-step explanation:

$\sf kx (x-2)+6=0$

Expand brackets.

$\sf kx^2 -2kx+6=0$

This is in quadratic form.

$\sf ax^2 +bx+c=0$

Since this is for equal roots:

$\sf b^2 -4ac=0$

$\sf a=k\\b=-2k\\c=6$

$\sf (-2k)^2 -4(k)(6)=0$

$\sf 4k^2-24k=0$

$\sf 4k(k-6)=0$

$\sf 4k=0\\k=0$

$\sf k-6=0\\k=6$

Plug k as 0 to check.

$\sf \sf 0x^2 -2(0)x+6=0\\6=0$

False.

So that means k must equal 6.

3 0

3 years ago