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frozen [14]
3 years ago
13

-x+4(x+3)=-12is this never true or always true

Mathematics
1 answer:
rodikova [14]3 years ago
7 0

Answer: Never true.


Step-by-step explanation: Distribute the numbers: 4 times x is 4x, 4 times 3 is 12. Then you have the equation: -x+4x +12 = -12. Now, choose a random number, maybe -4. A negative plus a negative cancels out so you are left with 4-16(Because you distribute the number) +12 = -12. 4-16 is -12. -12 plus 12 equals 0.

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Seven more than the product of a number and three is equal to four
vovangra [49]

Answer:

The Product is negative three (-3)

WHILE

The number is negative one (-1)

Step-by-step explanation:

Since seven more than the product gives 4.

This means 7 + product = 4

By subtracting 7 from both sides we get product as -3.

And since the product of the number and 3 is equal the product

This means number X 3 = -3

By dividing three from both sides you get -1.

6 0
3 years ago
Write 4/5 . 3/8 in lowest terms.
r-ruslan [8.4K]
 the answer is three divide by ten
8 0
3 years ago
If 2 dice were rolled 180 times, how many times would you expect to get the sum of 11? PLEASE HELLLLLPPPPP ASAP!​
hram777 [196]

Answer:

The answer is 5 times

Step-by-step explanation:

1/6*1/6*180=5

3 0
3 years ago
A cylindrical tank holds 20,000 gallons of water, which can be drained from the bottom of the tank in 20 minutes. The function g
IgorLugansk [536]
You didn't include the function.

If the function is, V = 20,000 (1 - t/20)^2, as you can see, for t = 20, V = 0

Then I am going to show you the work with that function, and you can use the same procedure with your own fucntion.


The rate of change of the volume is the derivative of the function with respect to the time.

[dV/dt] = 20,000 *2 [1 -t/20] * [-1/20] = - 2000 [1 - t/20] = 2000[t/20 - 1]

At t = 3

dV/dt = 2000[3/20 - 1] = -1700 gallons / min

The negative sign mean decreasing.

The answer is - 1700 gallons / min

Now, for the same function, if the time is t = 2, you would obtain one of the results of the list of options.

dV/dt = 20,000 [2/20 - 1] = -1800 gallons/minute, which is the option D of the list.



3 0
3 years ago
Convert the quadratic equation y = 2(x - 3)^2 + 1 to standard form.
Nata [24]

Answer:

2x^2-12x+19 - Your Answer

Step-by-step explanation:

2(x^2-6x+9)+1

2x^2-12x+18+1

2x^2-12x+19\\

5 0
3 years ago
Read 2 more answers
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