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LiRa [457]
2 years ago
9

Please help me it’s very important, give a correct explanation

Mathematics
1 answer:
AlekseyPX2 years ago
8 0

Step-by-step explanation:

triangle MAC=triangle MBD=90 Degree

Therefore, From right angled triangle

AC=BD

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nataly862011 [7]
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6 0
3 years ago
PLEASE ANYONE!!!
siniylev [52]
Constant but not linear.
5 0
2 years ago
In a movie theater, the number of seats in a row is 8 greater than the total number of rows. How many rows are in the movie thea
Harman [31]

Answer:

26 rows

Step-by-step explanation:

this is like a rectangle length×width situation.

seats per row = s

number of rows = r

s × r = 884

s = r + 8

so, we can use e.g. the second equation in the first :

(r + 8) × r = 884

r² + 8r = 884

r² + 8r - 884 = 0

the general solution to such a quadratic equation is

x = (-b ± sqrt(b² - 4ac))/(2a)

in our case

x = r

a = 1

b = 8

c = -884

r = (-8 ± sqrt(8² - 4×1×-884))/(2×1) =

= (-8 ± sqrt(64 + 3536))/2 = (-8 ± sqrt(3600))/2 =

= (-8 ± 60)/2 = -4 ± 30

r1 = -4 + 30 = 26

r2 = -4 - 30 = -34

a negative number did not make any sense for the number of rows, so r = 26 is our answer.

8 0
1 year ago
What is the coefficient of (-2/3x)(3y)(-2x)
dolphi86 [110]

Answer:

The coefficient is equal to  4

Step-by-step explanation:

we have

(-\frac{2}{3}x)(3y)(-2x)

we know that

The coefficient is equal to

(-\frac{2}{3})(3)(-2)=4

so

(-\frac{2}{3}x)(3y)(-2x)=4x^{2}y

4 0
3 years ago
What are the coefficients in <br> W - 8x + 20y + 6z
aleksklad [387]

Answer:

8, 20 and 6

Step-by-step explanation:

A coefficient is the numerical part of an algebraic term. Example: in the term 2x the coefficient is 2.

3 0
2 years ago
Read 2 more answers
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