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Nikolay [14]
2 years ago
14

ANSWER FAST PLEASE 25 POINTS sqrt of -100=_+_i

Mathematics
1 answer:
zvonat [6]2 years ago
4 0

Answer:

10i

Step-by-step explanation:

√-100 = √-1 × √100 = i × 10 = 10i

I don't understand why there are two boxes though.

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Factorise: x^2/y^2+1+y^2/X^2​
rewona [7]

Answer:

<h2>( \frac{x}{y}  +  \frac{y}{x}  + 1)( \frac{x}{y}  +  \frac{y}{x}  - 1)</h2>

Step-by-step explanation:

Hope it is helpful.....

7 0
3 years ago
Plz help me with this. It is a test
Tatiana [17]

Answer:

5 divided by 20= 1/4

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Which of the following nonlinear inequalities is graphed below
Rashid [163]

Answer:

(x²/4) + (y²/16) ≤ 1

Step-by-step explanation:

The general form of the ellipse in the graph is

x²/4 + y²/16 = 1

we want to find the inequality which represents the shaded area this will determine whether which of the following 2 choices are correct

Choice 1: x²/4 + y²/16 ≥ 1

Choice 2: x²/4 + y²/16 ≤ 1

we note that point (0,0) lies inside the shaded area. Which means if we substitute (0,0), it should create an equality that is valid.

try choice 1: 0²/4 + 0²/16  = 0 ≥ 1 (not valid because obviously zero is smaller than 1)  

try choice 1: 0²/4 + 0²/16  = 0 ≤ 1 (this is valid, hence choice 2  is the answer)

4 0
3 years ago
Please help me!<br> simplify. 5-[-(-20] <br> a. -3<br> b.3<br> c.-7<br> d.7
frosja888 [35]

Im sorry i dont know

8 0
3 years ago
How do you add add fraction with a different denominator?
kenny6666 [7]

Find the LCM (least common multiple) of the denominators, and use that as the denominator for the two fractions.

Ex.

\frac{3}{4} +\frac{2}{3}

LCM (3, 4) is 12

\frac{9}{12} +\frac{8}{12}

=\frac{17}{12}

3 0
3 years ago
Read 2 more answers
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