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olganol [36]
3 years ago
10

Simplify the expression. 3 (15- 3)² - 4 ]

Mathematics
1 answer:
Jet001 [13]3 years ago
5 0

Answer:

428.

Step-by-step explanation:

Work is in picture

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What’s 12-1/3= as a fraction
aev [14]

12 - 1/3

= 36/3 - 1/3

= 35/3.

7 0
3 years ago
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When a number is added to 1/5 of itself, the result is 24. The equation that models this problem is n +1/5 n = 24. What is the v
Lady_Fox [76]

For this case we must find the value of n of the following equation:

n + \frac {1} {5} n = 24

Taking common factor "n" from the left side of the equation we have:

n (1+ \frac {1} {5}) = 24\\n \frac {6} {5} = 24

Multiplying by 5 on both sides of the equation:

6n = 120

Dividing between 6 on both sides of the equation:

n = 20

Thus, the value of n is 20.

Answer:

n = 20

7 0
3 years ago
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Yeah just help me thank you....
mash [69]

Answer:

47

Step-by-step explanation:

Plug the numbers in and solve

5 ^ 2 + 2 ( 5 + 6 )

25 + 22

47

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6 0
3 years ago
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Don’t understand. I’ve tried to do it and I need some help please.
Novay_Z [31]
You need to use trigonometry
1. Tan37=x/2.1
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8 0
3 years ago
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Popcorn kernels pop independently (i.e. unimolecularly). For one brand at constant temperature, 12 kernels pop in 5 seconds when
likoan [24]

Answer:

no of kernels  pop = 4.34

Step-by-step explanation:

given data

kernels pop in 5 second  = 12

kernels are present = 235

solution

we get here kernels are pop at rate of here

kernels are pop at rate = 12  ÷  235  

kernels are pop at rate = 0.051063

and

we get here maximum kernels are remaining that is

maximum kernels remaining = 235 - 140

maximum kernels remaining = 85

so

no of kernels  pop in 5 second will be

no of kernels  pop = 0.051063   × 85

no of kernels  pop = 4.34

7 0
4 years ago
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