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gogolik [260]
3 years ago
10

What is 2x+13-5=7x-30

Mathematics
2 answers:
WARRIOR [948]3 years ago
6 0
X = 38/5. Plz plz plz give me brainiest answer I only need 4 more to rank up. If u do I will show my work.
kogti [31]3 years ago
3 0
Solve for x by simplifying both sides of the equation then isolating the variable.

x = 38/5
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Identify the law illustrated by:20x +50 is the same as 50+20x​
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The law is the Inverse law of Addition/Multiplication

Step-by-step explanation:

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To increase an amount bu 17.5%what single multiplier would i use ?
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For consumers making purchases online, 60% have devices made by Apple, 85% own a smartphone, and 75% use Venmo. Also, out of the
kompoz [17]

Answer:

The probability that a customer selected at random has an Apple device or own a smartphone or both is 0.94

Step-by-step explanation:

The percentage of costumers that have a device made by Apple = 60%

The percentage of customers that own a smartphone = 85%

The percentage of customers that use Venmo = 80%

The percentage out of the smartphone users that use Venmo = 80%

The probability both independent events A and B occurring = P(A) × P(B)

The exclusive probability of A or B occurring P(A XOR B) = P(A) + P(B) - 2 × P(A ∩ B)

Therefore, the probability of A or B or both occurring is given as follows;

P(A or B or Both) = P(A) + P(B) - 2 × P(A ∩ B) + P(A) × P(B)

Where A represent the percentage of costumers that have a device made by Apple and let B represent the percentage of users that have a smartphone, we have;

P(A or B or Both) = 0.6 + 0.85 - 2×0.6×0.85 + 0.6 × 0.85 = 0.94

Therefore, the probability that a customer selected at random has an Apple device or own a smartphone (or both), P(A or B or Both) = 0.94

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what is the substitution method???

Step-by-step explanation:

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3 years ago
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