Number 9 -_- like what is this

Mathematics

2 answers:

bagirrra123 [75]3 years ago

4 0

Answer:

Place the paranthases around 5-2

Step-by-step explanation:

Leviafan [203]3 years ago

4 0

Honestly bro I wish I could help you but I hope someone comes around and gives you a hand. Good luck!

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Are the following equations a fact family <br> 9+5=14<br> 15-5=10<br> 4+4=8<br> 15=6+9

slamgirl [31]

Answer: Yes! those are indeed apart of the fact family

Step-by-step explanation:

Notice that 9+5=14 and 5+9=14, thus the first two equations

show that if we add two numbers in any order, we get the same answer.

Notice that 14-9=5 and 9+5=14, so subtraction and addition are

related. Similarly 14-5=9 and 5+9=14

Notice that 14-9=5 and 14-5=9, so if you subtract one of the

members of the fact family from 14, you get the other.

7 0

3 years ago

In the diagram below, assume that all points are given in rectangular coordinates. Determine the polar coordinates for each poin

Korolek [52]

Step-by-step explanation:

We have cartisean points. We are trying to find polar points.

We can find r by applying the pythagorean theorem to the x value and y values.

$r {}^{2} = {x}^{2} + {y}^{2}$

And to find theta, notice how a right triangle is created if we draw the base(the x value) and the height(y value). We also just found our r( hypotenuse) so ignore that. We know the opposite side and the adjacent side originally. so we can use the tangent function.

$\tan(x) = \frac{y}{x}$