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Otrada [13]
3 years ago
14

Evaluate 3[5+3[10+4x8)]

Mathematics
2 answers:
sattari [20]3 years ago
4 0

The answer would be

393

ElenaW [278]3 years ago
3 0

Answer:

\boxed{=393}

Step-by-step explanation:

You had to used pemdas stands for: p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtract that came from left to right.

First you had multiply from left to right.

3(5+3(10+(4)(8)

3(5+3(10+32))

Next, add from left to right.

3(5+(3)(42))

You can also multiply 42*3.

42*3=126

Add 126+5.

3(5+126)

126+5=131

(131)(3)

Finally, multiply.

131*3=393

Final answer: \boxed{=393}

Hope this helps!

And thank you for posting your question at here on brainly, and have a great day.

-Charlie

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The area of the cross section of a sphere at the largest point is 100π square miles. what is the total surface area of this sphe
Firlakuza [10]

The cross-section of a sphere  is a circle . The  area of a circle can be calculated by the formula A= \pi\r^{2} Where r is the radius of the circle.

Given :\pir^{2}   = 100\pi

Solving for r we have:

r^{2} = \frac{100\pi }{\pi}=   100

Or r= 10.

The area of a sphere is calculated by the formula :

SA = 4\pi  R^{2}

Substituting r value we have:

SA= 4\pi\ 10 ^{2}    = 400\pi

The total surface area of this sphere is 400π .

4 0
3 years ago
Use the functions f(x) = 4x − 5 and g(x) = 3x + 9 to complete the function operations listed below.
vlada-n [284]
A.  (f + g)(x) = f(x) + g(x) = 4x - 5 + 3x + 9 = 7x + 4

B. f.g (x)   = f(x) * g(x) = (4x - 5)*(3x + 9) = 12x^2 + 36x -  15x - 45
                =  12x^2 + 21x - 45

C  Replace the x in f(x) by g(x):-
  =  4(3x + 9) - 5
  = 12x + 36 - 5
  = 12x  + 31
8 0
3 years ago
in a single elimination tournament starting with 128 teams, half of the remaining teams are eliminated in each round. a) make a
lesya [120]
B) no
c) D: (0, 128) domain is what are the possible numbers that can be put into a function. the reason it is 0 to 128 is because you cant have a negative number in this situation and 128 is the max because thats what you started out with
d) 4 teams
7 0
3 years ago
A pair of skis was discounted 20%. How many percent will the discounted price have to be increased to return to the original pri
denis-greek [22]

Answer:

25%

Step-by-step explanation:

Let the original price of A pair of skis be $100

discount given on A pair of skis = 20% on original price

discount value of A pair of skis in $ = 20% * $100

                   =  (20 * 100)/100 = $20

discounted price of A pair of skis =  original price - discount = 100 -20 = $80

in order to increase discounted price to original price of $100

there must be increase of $20 to discounted price which is $80

percentage increase on discounted price   to return to the original price =

(increased \ amount / discounted \ price) * 100 \\=>( 20/80) * 100 =  25\\

therefore 25% must be increase on discounted price to return to the original price

6 0
3 years ago
Is 14/21 proportional
pantera1 [17]

Answer

Yes

both divide by 7

2/3

Step-by-step explanation:

Another example if it was 15/10

Then yes

Both divide by 5

so

3/2

8 0
3 years ago
Read 2 more answers
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