2 years ago

What divided by 9 is -11?

Mathematics

1 answer:

Black_prince [1.1K]2 years ago

5 0

Answer:

-99 divided by 9 is -11

Step-by-step explanation:

a negative divided by a positive is a negative and a positive divided by a negative is a negative .

but a negative divided by a negative is a positive

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In triangle JKL, the length of side JK is 12 feet, and the length of side KL is 15 feet. Which of the following could be the len

Andrei [34K]

Answer:

Step-by-step explanation:

every 2 sides of a triangle has to be bigger than the 3rd side

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2 years ago

Trig: Which complex number's graph is shown?

Andrei [34K]

ANSWER

$2 \sqrt{2} ( \cos( \frac{7\pi}{4} + i \sin( \frac{7\pi}{4} ) )$

EXPLANATION

The complex number shown has coordinates (2,-2)

$z = 2 - 2i$

The modulus is

$|z| = \sqrt{ {2}^{2} + {( - 2)}^{2} }$

$|z| = \sqrt{ 8} = 2 \sqrt{2}$

The argument is

$\theta= \tan^{ - 1} ( \frac{ - 2}{2} )$

$\theta= \tan^{ - 1} ( -1) = \frac{7\pi}{4}$

The polar form is

$2 \sqrt{2} ( \cos( \frac{7\pi}{4} + i \sin( \frac{7\pi}{4} ) )$

The first option is correct.

3 0

3 years ago

Twice a number is less than 15 (turn into inequality)

velikii [3]

$x \times 2$

3 0

3 years ago

?????????????????????????????

sergeinik [125]

Answer:

B. 3

Step-by-step explanation:

If you were to multiply the top equation by 3 then the x value for the first equation would be 6 and since the bottom equation's x value is -6, if you were to add them, they would cancel eachother off.

LOL hope this makes sense :) Please give brainliest!! Thanks!!

4 0

2 years ago

I'm also stuck on this one! Help!

grin007 [14]

Answer:

a = 58

Step-by-step explanation:

90-32=58

HOPE THIS HELPS :)

4 0

2 years ago