What is the additive inverse of the number represented by A

Mathematics

1 answer:

puteri [66]2 years ago

4 0

Answer:

-A

Step-by-step explanation:

<h2>hope it helps </h2>

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The sum of two integers is 21. Fifteen less than double the square of the smaller integer is equal to the larger

Salsk061 [2.6K]

Answer:

2x^2+x-36=0

(4,0)

2*4^2+4-15=21

Step-by-step explanation:

6 0

3 years ago

The area of the triangle shown is represented by A= square root of s(s-10)(s-7)(s-5), where s is equal to half the perimeter. Wh

dezoksy [38]

It should be 3.25
S is half the perimeter, so .5*(7+5+10)=11
Plug in 11 and you get A=sqrt(264)
A also is half base times height
sqrt(264)=.5*10*h
h=sqrt(264)/5
h=3.25

4 0

3 years ago

Can anyone help me with number 36? I’m trying to figure out how to do this am I’m having a lot of problems. The answer is in the

zubka84 [21]

You have 9i in the denominator. The goal is to have a real denominator. 9i is imaginary. i * i = -1 which is real. If you multiply the denominator by i, the denominator will be real. Since this is a fraction, we multiply the numerator and denominator by i.

$\dfrac{-6 - 10i} {9i } \times \dfrac{i}{i} =$