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Gala2k [10]
2 years ago
7

Solve the equation.

{x(x+2)} = 0" alt="\sqrt{x(x+2)} = 0" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
mixer [17]2 years ago
6 0

\sqrt{x(x+2)} = 0  x(x+2)=0\\ x=0 /or/ x+2=0  x=0 /or/ x=-2

ok done. Thank to me :>

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WILL GIVE BRAINLIEST
TEA [102]
Yes because 3² + 4² = 5²


to be sure

9 + 16 = 25

25 = 25
3 0
3 years ago
Can someone explain to me why are we adding 2kpi when we are doing zeros for sin and cos, but adding kpi when doing zeros for tg
makvit [3.9K]

on the first exercise, you got a solution angle of π/18, that's a good solution for the I Quadrant only, however, on a circle, we have angles that go from 0 to 2π, however we can always keep on going around and continute to 2π + π/2 or 3π or 4π, or 115π/3 or 1,000,000π/18 and so on, and we're really just going around the circle many times over, getting a larger and larger angle, same circular motion.

π/18 on that exercise works for the I Quadrant, however if we continue and go around say 2π, we'll find that 2π/3 + π/18 is a coterminal angle with π/18, and thus that angle has also the same sine value.

π/18 + 2kπ/3 , where k = integer, is a way to say, all angles around the circle that look like this have the same sine, namely

π/18 + 2(1)π/3

π/18 + 2(2)π/3

π/18 + 2(3)π/3

π/18 + 2(5)π/3

π/18 + 2(99999999)π/3

.....

so using the "k" as some sequence multiplier, is a generic notational way to say, "all these angles".

you'll also find that "n" is used as well for the same notation, say for example

2π/3  + 2πn.

8 0
3 years ago
160% of what number 56?
Bogdan [553]

Answer:

160% of 35 is 56.

Step-by-step explanation:

\frac{56}{y} :\frac{160}{100}

y · 160 = 56 · 100

160y = 5600

160y ÷ 160 = 5600 ÷ 160

y = 35

7 0
3 years ago
Please help me if you don't mind
RoseWind [281]

Answer:

qp is congruent to hg

Step-by-step explanation:

since the given is AAS it has to be angle angle side, you have the angles, r is congruent to i and q is congruent to h, so you need the next sides to be congruent

4 0
2 years ago
Read 2 more answers
Which line is parallel to y= = 1/3x + 7?
Monica [59]
The answer is the third choic, or the line with the same slope.
8 0
3 years ago
Read 2 more answers
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