Someone answer this for me pls

Mathematics

1 answer:

grandymaker [24]3 years ago

4 0

Answer:

Step-by-step explanation:

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Given a+b=7 and a-b=3, find the following<br><br> 3^a÷3^b

gulaghasi [49]

Answer:

Step-by-step explanation:

a + b = 7

a - b = 3

2a = 10

a = 5

b = 7 - 5

b = 2

3⁵ / 3² = 3³ using law of indices

3³ = 27.

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2 years ago

HELP ME ILL GIV ROBUX Identify the property shown by the equation. 14 × 6 = 6 × 14 A. Commutative Property B. Associative Proper

Ket [755]

Answer:

Step-by-step explanation:

The associative, commutative, and distributive properties of algebra are the properties most ... The Commutative Properties of Addition and Multiplication ... 14 + (−10) = 4 ... Note that y represents a real number. A) 5y • 2. B) 52y. C) 26 • 2 • y. D) y • 52 ... Here, the same problem is worked by grouping 5 and 6 first, 5 + 6 = 11.

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3 years ago

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A particular telephone number is used to receive both voice calls and fax messages. suppose that 20% of the incoming calls invol

Phoenix [80]

Answer:

0.1091 or 10.91%

Step-by-step explanation:

We have been given that a particular telephone number is used to receive both voice calls and fax messages. suppose that 20% of the incoming calls involve fax messages and consider a sample of 20 calls. We are asked to find the probability that exactly 6 of the calls involve a fax message.

We will use Bernoulli's trials to solve our given problem.

$P(X=x)=^nC_x\cdot P^x(1-P)^{n-x}$