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777dan777 [17]
3 years ago
12

Complete the table | 2 | 5 | | 28 | |6.5| |39| |

Mathematics
1 answer:
Rudiy273 years ago
5 0
Oh okay so I don't know what you are referring to
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Find the function h(x) = f(x) + g(x) if f(x) = 4^x + 2 and g(x) = x - 4.
Rzqust [24]

Answer:

h( x) = 4^x + x - 2

Step-by-step explanation:

h(x)=f(x)+g(x)=4^x+2+x-4=<u>4^x+x-2</u>

4 0
3 years ago
How many solutions are there in this equation 8 (x-3)=8x-24
kari74 [83]
Performing the indicated multiplication on the left side gives you:

8x-24=8x-24,

8x=8x

1=1 

These expressions are true for any real value of x and thus has infinitely many solutions...
3 0
3 years ago
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The radius of a circle is 19 km what is the circles area using 3.14 for pie
Sholpan [36]

Answer:

1133.54 or 361 pi

Step-by-step explanation:

19^2*pi

5 0
3 years ago
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................... 8x-0.2=9.8
mario62 [17]

Answer:

I love algebra anyways

The ans is in the picture with the  steps how i got it

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:

7 0
3 years ago
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Can someone help me with these questions and show work please and thank you
attashe74 [19]

Answer:

11. 78

12. 4x² - 3x - 1

Step-by-step explanation:

11. Sum of n whole numbers = ½(n² + n)

Multiply

½*n² + ½*n

= n²/2 + n/2

To find the sum of the first 12 whole number, substitute 12 for n into the equation.

= 12²/2 + 12/2

= 144/2 + 12/2

= 72 + 6

= 78

12. Area of trapezoid = ½(a + b)*h

Where,

a = 5x - 4

b = 3x + 2

h = x + 1

Area = ½(5x - 4 + 3x + 2)*(x + 1)

Area = ½(8x - 2)*(x + 1)

Area = ½[8x(x + 1) -2(x + 1)]

= ½[8x² + 8x - 2x - 2]

Add like terms

= ½(8x² - 6x - 2)

= ½(8x²) - ½(6x) - ½(2)

= 4x² - 3x - 1

6 0
3 years ago
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