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Tems11 [23]
2 years ago
5

Evalute the experssion -280+12x=

Mathematics
1 answer:
Alina [70]2 years ago
4 0
The answer is 23 1/3. First, you need to add 280 to both sides of the equations in order cancel out 280 and get 12x by itself. But remember whatever you do to one side of an equation, you must to do the other. So now you have 12x=280. Now divide both sides of the equation by 12 in order to get x completely isolated. 280 divided by twelve is 23 1/3.

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14. If the domain of f(x)= x2 +1 is limited to {0,1,2,3), what is the maximum value of the range?
fiasKO [112]

the domain of f(x)= x2 +1 is limited to {0,1,2,3)

the maximum value will be at the maximum value of x which is at x = 3

So, the maximum value of the range will be = 3^2 + 1 = 9 + 1 = 10

7 0
1 year ago
20000000000000x 3065
Verizon [17]

Answer:

61300000000000000

Step-by-step explanation:

7 0
3 years ago
What is the equation of this line?
andrew-mc [135]
One way to write a line is y=mx+b, where b is a number, m is the slope of the line, and y and x are variables that you can plug numbers into. We know that we have two points, (0,5) and (10,0). To find the slope of a line, we can use the equation
\frac{y_{2}-y_{1}}{x_{2}-x_{1}} =  \frac{y_{1}-y_{2}}{x_{1}-x_{2}}
Plugging this in for our points, we get \frac{0-5}{10-0} = -5/10=-1/2 as our slope (we get -1/2 by dividing both -5 and 10 by 5 from the previous fraction), making our equation y=(-1/2)x+b. Plugging a point in to find out what b is, we get 0=(-1/2)10+b=-5+b. Adding 5 to both sides to separate the b, we get 5=b, making our equation y=(-1/2)x+5. To find out what x is for (x,2), since the y value comes second, we can plug in 2 into our equation to get 2=(-1/2)x+5. Since we want to solve for x, we have to separate it. Subtracting 5 from both sides, we get -3=(-1/2)x. Since we can multiply -1/2 by its reciprocal (switching the numerator and denominator) to get 1 (and therefore x on the right sides as 1*x=x), we multiply both sides by -2 to get 6=x, making the point (6,2)

Feel free to ask further questions!
4 0
3 years ago
Helpppp pleasssss!!!!
DaniilM [7]

Answer:

Step-by-step explanation:

A)  

attached , I used g o o g l e draw.

B)

0.8 m  = 80 cm    =800 mm /50 = 16 mm

C)

bed = 4cm x 3cm  

4cm*50= 200 cm = 2 m  

3cm*50 = 150 cm = 1.5 m

8 0
3 years ago
Help me plzz help me plzz​
Alik [6]

Answer:

44.1 mm^2

Step-by-step explanation:

The formula for a trapezoid is 1/2(b1 + b2)h

A= 1/2(12.5 + 8.5) 4.2

 = 1/2x21x4.2

 =44.1

4 0
2 years ago
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