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Radda [10]
3 years ago
5

= 2 у when x = 21 y=3* + 20

Mathematics
1 answer:
ehidna [41]3 years ago
7 0

Answer:

Step-by-step explanation:

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Mark buys a used car for $12,000. The value of the car depreciates 10% per year from the time he bought the car.
timama [110]

Answer:

option D

Step-by-step explanation:

r = 10% = 0.10

v(t) = P (1 - r)^t\\\\V(t) = 12000(1 - 0.10)^t\\\\V(t) = 12000\times (0.9)^t

4 0
2 years ago
The potential energy of an object varies jointly with the mass of the object and the height of the object off the ground. A 25-k
xxMikexx [17]

Answer:

This is physics. By the way look the explanation.

Step-by-step explanation:

The formula of Potential Energy is E=mgh, where m is the mass of the object, g the gravitational, and h the height of the object. Given that the potential energy of the object is 150 Joules at 3 meters height, Represent m=E/(g*h), considering g=9.8 m/s^2(Because this value was used for the first object), we get m=150/9.8/3=5.102

Rounding to 2 decimals` 5.10 kg

4 0
2 years ago
Read 2 more answers
Find the length of st​
lutik1710 [3]
The legth is 3.6 :) it says it to the right
6 0
3 years ago
Helppp me please IREADY​
Morgarella [4.7K]

Hello there! The answer is the first option, 31/55.

To solve this, we don't even need to do any math. Note that fractions with the same numerator and denominator will be equal to 1.

Knowing this and looking at our second and fourth options, 55/55 x 111 and 31/31 x 111, these problems are the same as 1 x 111, which results in 111, which is not less than, leaving us with the third and first options.

The third option is 55/31, meaning we have more than a whole, so we are multiplying by a number greater than 1, making our answer over 111 and this option not correct.

This leaves the first option as your answer!

7 0
3 years ago
-2/3*3/5+5/2-3/5*1/6​
Kipish [7]

Answer:

2and19/90

Step-by-step explanation:

-2/3*3/5= _2/5

-2/5+5/2-(2/3×1/6)

-2/5+5/2-1/9

21/10-1/9

=199/90

=2/19/90

3 0
3 years ago
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