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trapecia [35]
2 years ago
11

I need help please. Thank you.

Mathematics
1 answer:
AfilCa [17]2 years ago
8 0
The answers are C and B.
Answer A has infinite solutions, and D has no solutions
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Simplify this expression. 12x2(3x4 − 2x)
musickatia [10]

Answer:

36*x^6-24*x^3

Step-by-step explanation:

We can simplify the expressio using the product rule. The exponents will add up when multiplied with each other:

=12*x^2*(3*x^4-2*x)

=12*3*x^(2+4)-12*2*x^(2+1)

=36*x^(6)-24*x^(3)

The answer is B

36*x^6-24*x^3

6 0
3 years ago
Liquid A and liquid B are mixed to make liquid C.
natta225 [31]

Answer:

Density is defined as:

Density = mass/volume.

We know that:

For liquid A:

Density = 70kg/m^3

Mass = 1400kg

Then the volume is:

Volume = mass/density = (1400kg)/(70kg/m^3) = 20 m^3

For liquid B:

Density = 280 kg/m^3

Volume = 30m^3

We can find the mass of liquid B as:

mass = density*volume = (280kg/m^3)*(30m^3) = 8400 kg

We know that liquid C is a mixture of liquid A and B.

Then the mass of liquid C will be equal to the sum of the masses of liquid A and B, then:

Mass of liquid C = 1400kg + 8400kg = 9800kg

The same happens for the volume, then:

Volume of liquid C = 30m^3 + 20m^3 = 50m^3

Then the density of liquid C is:

Density of liquid C = (9800kg)/(50m^3) = 196 kg/m^3

6 0
3 years ago
The line plot below shows the heights of players on a basketball team.
AnnyKZ [126]

Answer:A,B? ... i think

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
If u(x) = x^5 – x^4 + x^2 and v(x) = –x^2, which expression is equivalent to (u/v)(x)?
Effectus [21]
Hello: 
x^5 – x^4 + x^2 =x^2(x^3 - x^2 +1)
(u/v)(x)= x^2(x^3 - x^2 +1)/(-x^2)
(u/v)(x)= - (x^3 - x^2 +1) = -x^3+x^2-1    (  x :  no zero)
7 0
3 years ago
write the point slope form of the equation for a line that passes through the point 3, 1 and is parallel to the line y=3x+3
Galina-37 [17]

Answer:

y=3x-8

Step-by-step explanation:

If the line is parallel to y=3x+3, that would mean that they would have the same slope of 3. Then, once you plug it back into the equation along with the point given, you would get 1=3(3)+b. Solve from there, and you get b= -8. In conclusion, your point slope formula comes out to be y=3x-8.

Hope this helps! :)

4 0
3 years ago
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