3 years ago

State if the three side lengths form an acute, obtuse, or right triangle

Mathematics

1 answer:

Nitella [24]3 years ago

4 0

Answer: Acute

Step-by-step explanation:

It is acute because all the angle would make less than 90 degrees

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Find two numbers, if their sum is −11 and their difference is 41

snow_tiger [21]

The larger one is (-11 + 41)/2 = 15.

The smaller one is (-11 -41)/2 = -26.

_____

For two numbers a and b with sum s and difference d, you can write the equations

$a+b=s\\a-b=d$

Then adding the equations and dividing that sum by 2, you get

$(a+b)+(a-b)=(s)+(d)\\2a=s+d\\a=\dfrac{s+d}{2}$

You can subtract the second eqution from the first and get a similar result for the smaller number

$(a+b)-(a-b)=(s)-(d)\\2b=s-d\\b=\dfrac{s-d}{2}$

These are the formulas we used above.

3 0

4 years ago

I need to know this plz answer quick thanks - dely

Tpy6a [65]

120/12=x
120/12=10
Then answer to this problem is B

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4 years ago

Convert 4(cos(150°) + isin(150) into rectangular form.

salantis [7]

Answer:

The rectangular form of $4[cos(150^{o})+i sin (150^{o})]$ is $-2\sqrt{3}+2i$ .

3 0

3 years ago

Read 2 more answers

consider the quadratic equation ax^2-40x+109=0 determine the value of a if one solution to the quad equation is x=5+3/2i

IrinaVladis [17]

Answer:

The answer is 4.

Step-by-step explanation:

The value of a in ax^2 - 40x + 109 = 0 when one solution to the quad equation is x = 5 + 3 over 2i is 4.

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3 years ago

Please help me answer this question

bulgar [2K]

Answer:

the answer is c, f(x)=3^x+3

Step-by-step explanation:

i hope this helped

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3 years ago