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otez555 [7]
3 years ago
13

Using the figure at the right, find the height of the dinasaur.​

Mathematics
1 answer:
Hatshy [7]3 years ago
4 0

Answer: 23 ft

Step-by-step explanation:

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____ is a common denominator because 3 goes into it and 4 goes into it.
Nezavi [6.7K]

Answer:

12

Step-by-step explanation:

the lcm of 3 and 4 is 12

5 0
3 years ago
Please help me understand this
Keith_Richards [23]

Answer:

The missing LCM is 4 brainy isn't letting me write more.

Step-by-step explanation:

7 0
2 years ago
Solve the equation, justify<br> each step with an algebraic<br> property.<br> 7 = 16 + 3x
GenaCL600 [577]
7= 16 + 3x
7-16 = 3x
-9 = 3x
x = (-9)/(3)
x = -3
5 0
3 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
Why does 843,000 round to 840,000 rather than 850,000 when rounded to the nearest ten thousand
Serjik [45]
Because 843,000 is closer to 840,000 than 850,000
5 0
3 years ago
Read 2 more answers
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