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jeyben [28]
2 years ago
7

MATH: EXPONENTIAL WORK PROBLEM 1. HELP PLEASE! 13 pts

Mathematics
1 answer:
Strike441 [17]2 years ago
4 0

The amount of the radioactive substance is 374.6 g

<h3>How to determine the amount of radioactive substance?</h3>

The given parameters are:

  • Initial, a = 424 mg
  • Rate, r = 6%
  • Time, t = 2 hours

The amount of the radioactive substance is calculated as:

A(t) = a(1 - r)^t

This gives

A(t) = 424 * (1 - 6%)^t

At 2 hours, we have:

A(2) = 424 * (1 - 6%)^2

Evaluate

A(2) = 374.6

Hence, the amount of the radioactive substance is 374.6 g

Read more about exponential functions at:

brainly.com/question/2456547

#SPJ1

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kissa brought an item at Tsh 250,000/= she sold it by a certain price and got loss of 1/4 of the buying price. find the percenta
eimsori [14]

Answer:

Loss %age = 25%

Step-by-step explanation:

<u><em>Cost Price of Item</em></u> = 250,000/-

<u><em>Loss </em></u>= 1/4 = 0.25 of 250,000

=> 62,500 /-

<u><em>%age Loss</em></u> = Loss*100/Cost Price

=> 62,500 * 100 / 250,000

=> 6,250,000/250,000

=> 25 %

5 0
3 years ago
Express 24 as a fraction of 60
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Answer:

24/60 = 2/5

Step-by-step explanation:

24/60

Divide both the numerator and denominator by a common factor, 6

4/10

Divide both the numerator and denominator by a common factor, 2

2/5

7 0
3 years ago
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Can I get an answer?
Reil [10]

coordinate of B= (2+3,0) = (5,0)

by pythagoras' theorem,

height of triangle^2 + half length of AB^2 = AC^2

height of triangle^2 = 3^2-1.5^2

height of triangle ^2= 6.75

height of triangle= √6.75

coordinates of C= (1.5,√6.75)

5 0
3 years ago
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Is 1/2 and 3/6 equivalent
Anvisha [2.4K]

Answer:

Yes because 1/2 is half of a circle and 3/6 is 3 of 6 of a colored circle to yes, it is equivalent.

Step-by-step explanation:

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On Monday, Jullo ran 39 miles. On Tuesday, he ran another
Artist 52 [7]
<h3>Answer:</h3>

67 miles

<h3>Step-by-step explanation:</h3>

On Monday, Jullo ran <u>39 miles.</u>

  • ⇒ Monday = 39 miles

On Tuesday, he ran <u>24 miles.</u>

  • ⇒ Tuesday = 24 miles

On Wednesday, he ran <u>4 miles.</u>

  • ⇒ Wednesday = 4 miles

<u>Finding the total miles:</u>

Total miles ran on Monday, Tuesday, and Wednesday = 39 + 24 + 4

                                                                                            = 67 miles

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2 years ago
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