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GalinKa [24]
3 years ago
13

When a number is decreased by 43%, the result is 20. What is the original number

Mathematics
2 answers:
HACTEHA [7]3 years ago
8 0

Answer:

idk

Step-by-step explanation:

because i said so.

Aleksandr-060686 [28]3 years ago
4 0

Answer:

47

Step-by-step explanation:

You would just do the opposite. Instead of multiplying the .43 by the original you divide the product by .43 to get 46.5. 46.5 rounded is 47.

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What is the sum of the geometric sequence 1, 4, 16, ... if there are 8 terms?
mylen [45]

Answer:

1, 4, 16, 64, 256, 1024, 4096, 16384

Step-by-step explanation:

Multiply by 4

6 0
2 years ago
Find the most general antiderivative of the function. (Check your answer by differentiation. Use C for the constant of the antid
Kisachek [45]

Answer:

35x - \frac{9x^2}{2} + C

Step-by-step explanation:

The antiderivative of the function is the same as the integral. To find the integral or antiderivative, reverse the process of differentiation method. Currently the function has degree 1. Through integration we increase the degree of each term by 1 and divide by the degree.

Thus 35 - 9x becomes 35x - \frac{9x^2}{2} + C. We add a constant C for any possible constant that was eliminated during differentiation.

4 0
3 years ago
Please help me on this quick!! Thanks and please show work.
FinnZ [79.3K]
The two parallel bases b1 and b2 are
b1 = 12
b2 = 9
the order of which base you pick doesn't matter

The height is h = 10 and it's perpendicular to each base.

The area is...

A = (1/2)*h*(b1+b2)
A = (1/2)*10*(12+9)
A = (1/2)*10*(21)
A = 5*21
A = 105

Final Answer: B) 105 square centimeters
8 0
3 years ago
In the triangle below, the value of h is 3/4 the side length that is labeled on the figure. What is the area of the triangle?
Nataly_w [17]
The correct answer is:  [C]:  " 8.64 mm² " .
________________________________________________
Note: 
______________________________________________________
Area of a triangle = (½)*(base length)*(height; that is, "perpendicular height");
________________________________________________________
or:  A = (½) * b * h ;
_________________________
Given:  "b = 4.8 mm" ;
            "h = (¾) * b = (¾)* (4.8 mm) = 3.6 mm ;
               → h = 3.6 mm ;
_____________________________________
  →  A = (½) * b * h  ;

           = (½) * (4.8 mm) * (3.6 mm) ;

    →  A  =  8.64 mm² ; which is:  Answer choice: [C] .
______________________________________
4 0
2 years ago
Solve the equation.<br> -10x + 1 + 7x = 37
Igoryamba
-10x + 1 + 7x =37

-10x + 7x = 37 - 1

-2x = 36

X = 36 / -2
X = -18

Answer is x = -18

I think this is the answer
Hope it helps •-•

5 0
2 years ago
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