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2 years ago

I NEED HELP FAST! Which of the following sets of numbers could not represent the three sides of a triangle?

Mathematics

1 answer:

Damm [24]2 years ago

3 0

Answer:

(8, 23, 31)

Step-by-step explanation:

The sum of the lengths of the two shorter legs must be greater than the length of the longer leg

(not equal to either)

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The expression (7-4i)-(3-12i) simplified is

Marizza181 [45]

Answer:

8i + 4

Step-by-step explanation:

Add/subtract like terms:

7 - 3

= 4

-4i - (-12i)

-4i + 12i

= 8i

Add these together:

8i + 4

So, the simplified expression is 8i + 4

4 0

2 years ago

Determine whether the statement below is always, sometimes, or never true. two lines with positive slopes are parallel.

elena-s [515]

Always because according to my calculations

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3 years ago

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there are 8 quarts in a peck and 4 pecks in one bushel.What is the first thing you need to do if you are asked to find how many

emmasim [6.3K]

Answer: 96

Step-by-step explanation:

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3 years ago

P divided 31 is less than or equal to 30

Harlamova29_29 [7]

P divided by 31 is less than to 30 because what p is will be less because when you divide you make something smaller

6 0

3 years ago

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What is the quadratic function f(x)=x^2+6x-2 In vertex form?

Yuliya22 [10]

Answer: Option D

$f(x)=(x+3)^2 -k$

Step-by-step explanation:

For a quadratic function of the form

$ax ^ 2 + bx + c$

The x coordinate of the vertice is:

$x =-\frac{b}{2a}$

In this case the function is:

$f(x)=x^2+6x-2\\\\$

$a=1\\b=6\\c=-2$

The x coordinate of the vertice is:

$x=-\frac{6}{2*1}\\\\x=-3$

The y coordinate of the vertice is:

$f(-3) = (-3)^2 +6(-3) -2\\\\f(-3)=-11$

The vertice is: (-3, -11)

The form e vertice for a quadratic equation is:

$f(x)=(x-h)^2 +k$

Where

the x coordinate of the vertice is h and the y coordinate of the vertice is k.

Then h=-3 and k =-11

Finally the equation $f(x)=x^2+6x-2\\\\$ in vertex form is:

$f(x)=(x+3)^2 -k$

6 0

3 years ago

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