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frosja888 [35]
3 years ago
12

Y=55x(1-0.02) decay as a percent

Mathematics
1 answer:
Gwar [14]3 years ago
3 0
Y=53.9 is the answer to your question

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Separate 39 into two parts such that 4 times the smaller exceeds the larger number 6
omeli [17]

Answer:

39 is separated into two parts 9 and 30.

Step-by-step explanation:

To find : Separate 39 into two parts such that 4 times the smaller exceeds the larger number 6 ?

Solution :

Let the smaller part is x and larger part is y.

39 is separate into two parts x and y

i.e. x + y = 39 ....(1)

4 times the smaller exceeds the larger number 6

i.e.  4x - y = 6 ....(2)

Solving (1) and (2) by adding both equations,

x + y+4x-y= 39+6

5x=45

x=9

Substitute the value of x in equation (1),

9+ y = 39

y=30

The smaller part is 9 and the larger part is 30.

39 is separated into two parts 9 and 30.

8 0
4 years ago
an edge of a hollow iron cube measures 10 cm. the cube has a uniform wall thickness of 2.5 cm and a square hole at the top. find
solniwko [45]
To find mass of the cube first find volume of cube material 

edge of cube = 10 cm 
edge of inner cube (hollow space) = 10 - (2.5+2.5) = 5 cm 

total volume of cube = 10^3 = 1000 
total volume empty space = 5^3 = 125 
Volume of cube material = 1000 - 125 = 875 cm^3 

Mass of cube = density x volume = 7.9x10 x 875 = 69125 g <span>= 69.125 kg 

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

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5 0
4 years ago
Trey runs 7 miles in 50 minutes. at the same rate, how many miles would he run in 75 minutes?
slava [35]

He can run 10.5 miles in 75 minutes

8 0
3 years ago
How do you solve: 81 X 9^(-2b-2)=27
Dominik [7]

Did you mean

81* 9∧(-2b-2)=27 => First divide whole equation with 81 and get

(3∧2)∧(-2b-2)=1/3 => 3∧(-4b-4)=3∧(-1) => -4b-4=-1 => -4b= -1+4 => -4b=3 =>

we will multiply whole equation with (-1) and get 4b=-3 => b=-(3/4)

If the start item is correct.

Good luck!!!



5 0
3 years ago
Read 2 more answers
How to do percent equations easily
Alexandra [31]
Make the percent into a decimal.
6 0
3 years ago
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