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statuscvo [17]
4 years ago
9

1. The value x = 4 is a solution to all of the following equations except which?

Mathematics
2 answers:
MatroZZZ [7]4 years ago
5 0

Answer:

(4) x+12=5x-2

Step-by-step explanation:

Substitute x=4 in all the options to check equality

Sergeeva-Olga [200]4 years ago
3 0

Answer:

Your answer is: 4) x+12=5x-2

Step-by-step explanation:

Hope this helped : 0

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Consider this equation (csc x+1)/cot x = cot x/(csc x +1) is it an identity?
levacccp [35]
Cross multiplying:-
cot^2 x = (csc x+ 1)(csc x + 1)

also  cot^2 x =  csc^2 x - 1  = (csc x + 1)(csc x - 1)  (Known Identitiy)

so the equation is not an identity
7 0
3 years ago
In parallelogram LMNO, what are the values of x and y?
Norma-Jean [14]
In a parallelogram, if two opposites are congruent, then the two opposites are equal. We apply this description to solve the problem.
∠O = ∠M since they are opposite
2x = 3x - 55
55 = 3x - 2x
55 = x

Total of all angles in the parallelogram is 360°
∠L + ∠N +∠O +∠M=360°
360° - ∠O -∠M = ∠L + ∠N note that ∠L =∠N
360° -110° -110° = 2∠N
70° = ∠N

Solving for Y,
∠N = 5Y = 70°
Y=70/5
Y=14

Therefore, the value of "x" is 55 and the value of "y" is 14. The answer is the letter "C".
6 0
3 years ago
Read 2 more answers
Evaluate this expression : 5x^3 - 7/4x^2. x=2
Mkey [24]
5(2)^3-7/ 4(2)^2 =  5(8) - 7 / 4(4) = 40-7/ 16 = 33/16

1. Substitute 2 in to the places where x are.
2.solve the square root first then multiply whats outside the square root with the numbers. (2)^3 = 8 and (2)^2 = 4, now multply 5 x 8 = 40 and multiply 4 x 4= 16
3. subtract 7 from 40 to get 33.
4. Check if it can be further simplified, this cant so the answer is 33/16



5 0
3 years ago
Please help urgent!!!<br> does 3 3/10 + 2 4/5 + 2 1/10 = 8.2?
Advocard [28]

Answer:

Yes

Step-by-step explanation:

Yes, 3 3/10 + 2 4/5 + 2 1/10 is equal to 8.2 because 3 3/10 + 2 4/5 + 2 1/10 is 41/5 and that into a mixed number is 8 1/5 and THAT into a decimal is 8.2

Hope this helped!

4 0
3 years ago
How might the area of a room affect the way the room is used?​
3241004551 [841]

Answer:

The more area a room has the more things you can put in it

Step-by-step explanation:

5 0
3 years ago
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