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Zarrin [17]
3 years ago
13

Peter takes 7 minutes and 30 seconds to run 1 mile. How many miles can he run in 15 minutes?

Mathematics
2 answers:
goblinko [34]3 years ago
5 0
2 miles in 15 mins.. i think.
SCORPION-xisa [38]3 years ago
4 0
If you add 7 minutes to 7 minutes it equals 14, and 30 sec plus 30 seconds is 1 minute. That makes it the full 15 minutes which would equal 2 miles ran in total by Peter.
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Describe how (2 ^ 3)(2 ^ - 4) can be simplified . Multiply the bases and add the exponents. Then find the reciprocal and change
tigry1 [53]

Answer:

Add the exponents and keep the same base Then find the reciprocal and change the sign of the exponent .

Step-by-step explanation:

Given the expression  (2^3)(2^- 4), we will apply the law of indices below to solve the equation;

a^m \times a^n = a^{m+n}\\a^{-m} =\frac{1}{a^m}

Applying this on the given expression;

(2 ^ 3)(2 ^{-4})

Step 1: Add the exponents and keep the same base as shown;

= (2 ^ 3)(2 ^{-4})\\\\= 2^{3+(-4)}\\\\ = 2^{3-4}\\\\= 2^{-1}

Step 2: Find the reciprocal and change the sign of the exponent

= 2^{-1} \\= \frac{1}{2^1}\\= \frac{1}{2}

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2 years ago
I need help on this one
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Step-by-step explanation:

8 0
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den301095 [7]
There are several important information's already given in the question. Based on those given information's the answer to the question can be easily deduced.
Number of stamps that Ira has in his stamp album = 128
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So 16 stamps are there on each page of the stamp album. I hope the procedure is clear enough for you to understand. You can always use this method for solving similar type of problems in future without requiring any additional help.
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Step-by-step explanation:

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