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11Alexandr11 [23.1K]
3 years ago
7

What is the value of x in the equation (x + 12) = (x + 14) – 3?

Mathematics
2 answers:
vodomira [7]3 years ago
6 0
(x + 12) = (x + 14) - 3

subtract 12 from each side

x = x + 14 - 3 - 12

Now if we subtract x from each side we see that x - x = 0.  Combine the terms left over and we have -1, so

0 = -1

The answer is NO SOLUTION
deff fn [24]3 years ago
6 0

Answer:  There is NO value of 'x' in the given equation.

Step-by-step explanation:  We are given to find the value of 'x' in the equation below:

(x+12)=(x+14)-3~~~~~~~~~~~~~~~~~~~~(i)

Finding the value of 'x' in equation (i) means to find the value of 'x' for which the equation is TRUE.

The solution is as follows:

(x+12)=(x+14)-3\\\\\Rightarrow x+12=x+14-3\\\\\Rightarrow x+12=x+11\\\\\Rightarrow x-x=11-12\\\\\Rightarrow 0=-1,

which can NEVER be true.

So, the given equation has NO solution.

Thus, there is NO value of 'x' in the given equation.

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Which is greater: 25% of 15 or 15% of 25? Explain your reasoning using mathematical evidence or visual models.
d1i1m1o1n [39]

15% of 25 is the greatest of the two.

Answer:

25% of 15 is 3.75

15% of 25 is also 3.75

15 - 3.75 = 11.25

25 - 3.75 =21.25

Compare and then determine.

11.25 < 21.25

8 0
2 years ago
Read 2 more answers
Plz help i have to submit in 20 minutes !!!
amm1812

Answer:

Step-by-step explanation:

1. a). Hypotenuse² = (Leg 1)² + (Leg 2)²

       h² = 10² + 24²

       h = √676

       h = 26

 (b). Hypotenuse² = (Leg 1)² + (Leg 2)²

       (25)² = (15)² + (leg 2)²

       Leg 2 = √(625 - 225)

                 = √400

                 = 20

  (c). Hypotenuse² = (Leg 1)² + (Leg 2)²

        h² = 4² + 6²

        h = √(16 + 36)

        h = √52

        h = 2√13

  (d). Hypotenuse² = (Leg 1)² + (Leg 2)²

        (14)² = (Leg 1)² + 7²

         Leg 1 = √(196 - 49)

                   = √147

                   = 7√3

2). Hypotenuse² = (Leg 1)² + (Leg 2)²

    Leg 1 = leg 2 = 7 units [Since, triangle is an isosceles triangle]

    h² = 7² + 7²

    h = √98

    h = 7√2

    Option (1) is the correct option.

3). Hypotenuse² = (Leg 1)² + (Leg 2)²

    (26)² = (Leg 1)² + (10)²

    Leg 1 = √(676 - 100) = 24

    Area of a right triangle = \frac{1}{2}(\text{Leg 1})(\text{Leg 2})

                                           = \frac{1}{2}(24)(10)

                                           = 120 square units

     Option (3) is the correct option.

8 0
3 years ago
2) An outdoor staircase has a total vertical elevation of 11 feet from the road level to the front entrance of a building. If th
LekaFEV [45]
2a

tan37=r/8

r=8tan37

r≈6 in rise per step (to nearest whole inch)

2b

11*12/6=22 steps needed to climb the 11 ft to the entrance

...

3a

tanα=14/20

α=arctan(7/10)

α≈35° (to nearest whole degree)

..

3b

tanα=21/17

α=arctan(21/17)

α≈51° (to nearest degree)



3 0
3 years ago
2 cups is to 10 cans as 14 cups is to how many cans
vekshin1

Answer: 80 cans

Step-by-step explanation:

The ratio between cups to cans is 1:5

If we have 14 cups, multiply that by 5 and it is equal to 80 cans

6 0
3 years ago
A watermelon seed is 4mm
Liula [17]

0.464 meters,..........................................

8 0
3 years ago
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