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scoundrel [369]
2 years ago
7

Simplify the following expression -12(5x-4)

Mathematics
2 answers:
denpristay [2]2 years ago
4 0

Answer:

-12x

Step-by-step explanation:

-12 x (5x - 4)

5x - 4 = 1x

-12 x 1x = -12x

-12 x (5x - 4) = -12x

Mark as brainliest :)

faltersainse [42]2 years ago
3 0
The answer would be 60x-48
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Please help and thank you
MAVERICK [17]

Answer:

D

Step-by-step explanation:

The Answer is D, first you would multiply A by 2, then divide it by h. You would then subtract b2 giving you D.

5 0
2 years ago
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3 2/5 es una fracción propia impropia o mixta
schepotkina [342]

Answer:

es una fracción mixta

Step-by-step explanation:

3 2/5

6 0
2 years ago
Steven works at a large home appliance store. He earns a base salary of $20,000 plus commission which can be modeled by the equa
VikaD [51]
A

B is incorrect because commission=0.1x
C is incorrect because base pay is 20,000
D is incorrect because highest pay is out question
6 0
3 years ago
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The parabola with equation $y=ax^2+bx+c$ is graphed below:
Mashutka [201]

Answer:

m-n=2

Step-by-step explanation:

Instead of using the standard form, we can use the vertex form of a quadratic equation:

f(x)=a(x-h)^2+k

Where a is the leading coefficient, and (h, k) is our vertex.

Our vertex point is at (2, -4). So, let’s substitute 2 for h and -4 for k:

f(x)=a(x-2)^2-4

Now, we need to determine a.

We know that it passes through the point (4, 12). So, when x is 4, y must be 12. In other words:

12=a((4)-2)^2-4

Solve for a. Subtract within the parentheses:

12=a(2)^2-4

Add 4 to both sides:

16=a(2)^2

Square:

16=4a

Solve:

a=4

Thererfore, the value of a is 4.

So, our function is:

f(x)=4(x-2)^2-4

Now, let’s find our roots. Set the equation to 0 and solve for x:

0=4(x-2)^2-4

4=4(x-2)^2\\1=(x-2)^2\\x-2=\pm1 \\ x=2\pm1 \\ x=3\text{ or } 1

So, our roots are 1 and 3.

The greater root is 3 and the lesser root is 1.

Therefore, m-n, where m>n, is 3-1 or 2.

Our final answer is 2.

4 0
2 years ago
Read 2 more answers
Solve 3x+2y=4 4x+3y=7 algebraically
Leona [35]
Step 1. Multiply first equation with -3 and the second one with 2. You'll get:
\left \{ {{-9x-6y=-12} \atop {8x+6y=14}} \right.

Step 2. Add both equations together. You'll get:
-x=2, which gives x = -2

Step 3. Replace x = -2 in the first equation and calculate y.
3(-2)+2y=4\\
y=\frac{4+6}{2}=5

The solution is: x=-2, y=5
8 0
3 years ago
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