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Nutka1998 [239]
2 years ago
11

Hurry please :))) I NEED HELP

Mathematics
1 answer:
denpristay [2]2 years ago
5 0

Answer:

\huge\frac{ \sqrt{6} }{ \sqrt{5} }  =  \frac{ \sqrt{30} }{5}

<h2>√30/5 is the right answer.</h2>

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Which letter represents (-2,3)?
Aleks [24]

Answer:

N represents (-2,3)

Step-by-step explanation:

x axis of N = -2

y axis of N = 3

5 0
2 years ago
Read 2 more answers
Given:
diamong [38]

Answer:

10-5\sqrt{2}

Step-by-step explanation:

As per the attached figure, right angled \triangle MDL has an inscribed circle whose center is I.

We have joined the incenter I to the vertices of the \triangle MDL.

Sides MD and DL are equal because we are given that \angle M = \angle L = 45 ^\circ.

Formula for <em>area</em> of a \triangle = \dfrac{1}{2} \times base \times height

As per the figure attached, we are given that side <em>a = 10.</em>

Using pythagoras theorem, we can easily calculate that side ML = 10\sqrt{2}

Points P,Q and R are at 90 ^\circ on the sides ML, MD and DL respectively so IQ, IR and IP are heights of  \triangleMIL, \triangleMID and \triangleDIL.

Also,

\text {Area of } \triangle MDL = \text {Area of } \triangle MIL +\text {Area of } \triangle MID+ \text {Area of } \triangle DIL

\dfrac{1}{2} \times 10 \times 10 = \dfrac{1}{2} \times r \times 10 + \dfrac{1}{2} \times r \times 10 + \dfrac{1}{2} \times r \times 10\sqrt2\\\Rightarrow r = \dfrac {10}{2+\sqrt2} \\\Rightarrow r = \dfrac{5\sqrt2}{\sqrt2+1}\\\text{Multiplying and divinding by }(\sqrt2 +1)\\\Rightarrow r = 10-5\sqrt2

So, radius of circle = 10-5\sqrt2

8 0
3 years ago
5/7y = 6, giving brainliest
garri49 [273]
7/5 * 5/7y  = 7/5 * 6 

y = 42/5. 

The multiplication property of equality is used. 
6 0
3 years ago
Read 2 more answers
Simplify the given expression below: 4 divided by the quantity of 3 minus 2i
svetoff [14.1K]
This is rationalising the denominator of an imaginary fraction. We want to remove all i's from the denominator.

To do this, we multiply the fraction by 1. However 1 can be expressed in an infinite number of ways. For example, 1 = 2/2 = 3/3 = 4n^2 / 4n^2 (assuming n is not zero!). Let's express 1 as the complex conjugate of the denominator, divided by the complex conjugate of the denominator.

The complex conjugate of (3 - 2i) is (3 + 2i). Then do what I just said:

4/(3-2i) * (3+2i)/(3+2i) = 4(3+2i)/(3-2i)(3+2i) = (12+8i)/(9-4i^2) = (12+8i)/(9+4) = (12+8i)/13

This is the answer you are looking for. I hope this helps :)
3 0
2 years ago
Read 2 more answers
Nick is currently on page 40 of a book. He plans to read 10 pages per day. What is the initial value? What is the rate of change
lisabon 2012 [21]

Answer:

Initial value: 40. Rate of change: 10

Step-by-step explanation:

You start out with 40 (Initial value) and you'd add 10 (Rate of change) to it everyday.

5 0
3 years ago
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