3 years ago

I'm 13 with learning disabilities can someone um help me with this

Mathematics

2 answers:

snow_lady [41]3 years ago

5 0

I’m guessing it’s 4/8

aleksandrvk [35]3 years ago

4 0

The believe the answer is 4/8

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Simplify

melomori [17]

Answer: $4\sqrt{3}$

Step-by-step explanation:

For this exercise it is important to remember the following:

$i=\sqrt{-1} \\\\i^2=-1$

Given the following expression:

$-2i\sqrt{-12}$

You can notice that the radicand (the number inside the square root) is negative. Therefore, in order to simplify the expression, you need to follow these steps:

1. Replace $\sqrt{-1}$ with $i$ and simplify:

$(-2i)(i)\sqrt{12}=-2i^2\sqrt{12}=-2(-1)\sqrt{12}=2\sqrt{12}$

2. Descompose 12 into its prime factors:

$12=2*2*3=2^2*3$

3. Substitute into the expression:

$=2\sqrt{2^2*3}$

4. Since $\sqrt[n]{a^n}=a$ , you can simplify it:

$=(2)(2)\sqrt{3}=4\sqrt{3}$

4 0

3 years ago

Pls help!!!!!!!!!!!!!!!!!!!!!!!!!

padilas [110]

The answer is A -6,-4

8 0

3 years ago

Read 2 more answers

The radius of a circle is 1 yard. What is the circle's circumference?<br> r=1 yd

matrenka [14]

Answer:

6.3 yards

Step-by-step explanation:

mathematically, to get the circumference of the circle, we will have to use the formula for the circumference of a circle

we have this as;

C = 2 * pi * r

r is 1 yard

c = 2 * pi * 1 = 2pi yards = 6.3 yards

5 0

3 years ago

the three expressions, sin-1, cos-1, and tan-1 are called _____ trig functions and are used to find the measure of the acute ang

geniusboy [140]

Answer:

Inverse.

Step-by-step explanation:

8 0

4 years ago

During the first hour of a snow storm 1 2/8 inches of snow fell in the next hour 4 3/8 inches fell in the third hour the snow st

Murljashka [212]

Answer:

4 5/8

Step-by-step explanation:

7 0

4 years ago