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kvasek [131]
3 years ago
15

Evaluate using the given values b=1, c=2, d=3, p=-3, q=-2, r=-1 a) 2b+c-d

Mathematics
1 answer:
IRISSAK [1]3 years ago
5 0
The answer should be one
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I Think It's 523.6 I don't know Tho

Step-by-step explanation:

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12.2​z ​+ 19.4 = -2.7​z​ + 93.9
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Answer:

z=5

Step-by-step explanation:

12.2z​+ 19.4 = -2.7​z​ + 93.9

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What is the common difference for this arithmetic sequence?
OleMash [197]

Answer:

Concept: Series

  1. Start by taking the first and second An and finding the difference
  2. You can then prove your result by taking any ordinary An and subtracting it by An-1
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3 years ago
A shopkeeper sold a dressing table for 7512.75 at a profit of 19*1/4% What was the cost price.​
Katarina [22]
Cp=7512.75×[100÷(100+77÷4)]
=7512.75×(100÷119.25)
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The least common multiple of two numbers is 60, and one of the numbers is 7 less than the other number. What are the numbers? Ju
Aleks [24]
To do this we need to find the factors of 60 these are:
1 and 60
2 and 30
3 and 20
4 and 15
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6 and 10
There is 1 pair that have a difference of 7 and that is 5 and 12
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