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jenyasd209 [6]
2 years ago
13

Two pages that face each other in a book have 421 as the sum of their page numbers. What is the number of the page that comes fi

rst?
Mathematics
1 answer:
nordsb [41]2 years ago
4 0

Answer:the pages will come on the first is  210

Explanation:

Since we have given that two pages that face each other in a book

i.e. they must be consecutive to each other

so, let the first page number be x

and the second page number be x+1

According to question,

x+x+1=421\\2x+1=421

2x=421 -1

2x=420

x=\frac{420}{2}\\=210

So, the pages will come on the first is  210

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Answer:

I. m = 2401

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Step-by-step explanation:

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2 ∆ − 5 = √m

2² − 2(2 × –5) + (–5)² = √m

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Take the square of both side

49² = m

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II. Simplify ((n+1) ∆ y)/n

We'll begin by obtaining (n+1) ∆ y. This can be obtained as follow:

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(n+1) ∆ y = (n+1)² – 2(n+1)y + y²

(n+1) ∆ y = n² + 2n + 1 – 2ny – 2y + y²

(n+1) ∆ y = n² + 2n – 2ny – 2y + y² + 1

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((n+1) ∆ y)/n = [(n – y + 2)(n – y) + 1] / n

((n+1) ∆ y)/n = 1/n[(n – y + 2)(n – y) + 1]

7 0
3 years ago
a comedy show sells lower level tickets for $78 and upper level tickets for $59. on the opening knight 2368 tickets were sold fo
shusha [124]
Let L represent lower level tickets and U upper level.

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3 0
3 years ago
The geometric mean of 8 and 2 is<br><br> 5<br> 3<br> 4<br> 16
igomit [66]

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Which is a possible expression for the series <br> -6-12-24-48-96-192
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Answer:

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Step-by-step explanation:

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