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cestrela7 [59]
2 years ago
11

All of the following are equivalent, except _____. 3x 2x 2 x(2 + 1) 2x + x

Mathematics
1 answer:
Blizzard [7]2 years ago
6 0
2x 2 is the answer your looking for,

When there are two variables (letters) you combine them by adding
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I need help please!!!!
ycow [4]

Answer:

x = 14.48

Step-by-step explanation:

first we have to see that we have the measurements from all sides

and we know that the angle between side 21 and 20 is 90 degrees

well to start we have to know the relationships between angles, legs and the hypotenuse.

a: adjacent

o: opposite

h: hypotenuse

sin α = o/h

cos α= a/h

tan α = o/a

let's take the left angle as α

sin α = 21/29

α = sin^-1 (21/29)

α = sin^-1 (0.7241)  

α = 46.397

Now we do the same with the smaller triangle

tan α = o/a

sin 46.397  = x/20

0.724 = x/20

0.724 * 20 = x

14.48 = x

x = 14.48

if we want to check it we can do the same procedure with the other angle

4 0
3 years ago
Tamara attends a cycling class that starts at 6:00. The class lasts 45 minutes. What time does class end?
KonstantinChe [14]

Answer: C. 45 minutes before 7:00

Hope this helps! :)

Brainliest please.

3 0
1 year ago
Add or subtract each expression.Simplify your final answer show all work.
Elan Coil [88]
1) 2x-1 or x=1/2
2) 5a-16 or a=16/5
8 0
3 years ago
A positive integer is 1010 more than 2727 times another. their product is 1211712117. find the two integers.
Goshia [24]
1010 + 2727x = y
x*y = 1211712117
x*(1010 + 2727x) = 1211712117
2727x^2 + 1010x - 1211712117 = 0

Here's the nasty part.
In order for this to work, the square root of the quadratic formula must come back with an integer. In fact sqrt (b^2 - 4ac) comes back with
3635568.29 something. which is not a whole number. Either there is an error in the givens or something, but this question is never going to do what you think it will do.
4 0
3 years ago
14.36 rounded to the nearest tenth
Finger [1]

Answer:

14.4

Step-by-step explanation:

6 is closer to 40 than to 30

3 0
3 years ago
Read 2 more answers
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