What type of function can be used to determine side length of a square if the independent variable is the square's area?

Mathematics

2 answers:

irinina [24]3 years ago

7 0

C.Quadratic or Quadratic Area

devlian [24]3 years ago

4 0

Kinda confused by the phrasing of the question but i think it should be D, square root, as to find the side length of a square you’ll have to square root the square’s area.

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"Find the sum of the first 50 term in this sequence 4, 7, 10, 13, ...". How do i do this without writing them all out, and how d

melisa1 [442]

First term ,a=4 , common difference =4-7=-3, n =50
sum of first 50terms= (50/2)[2×4+(50-1)(-3)]
=25×[8+49]×-3
=25×57×-3
=25× -171
= -42925
derivation of the formula for the sum of n terms
Progression, S
S=a1+a2+a3+a4+...+an

S=a1+(a1+d)+(a1+2d)+(a1+3d)+...+[a1+(n−1)d] → Equation (1)

S=an+an−1+an−2+an−3+...+a1

S=an+(an−d)+(an−2d)+(an−3d)+...+[an−(n−1)d] → Equation (2)

Add Equations (1) and (2)
2S=(a1+an)+(a1+an)+(a1+an)+(a1+an)+...+(a1+an)

2S=n(a1+an)
S=n/2(a1+an)

Substitute an = a1 + (n - 1)d to the above equation, we have
S=n/2{a1+[a1+(n−1)d]}
S=n/2[2a1+(n−1)d]

5 0

3 years ago

A Number is multiplied by itself. The product is 5 4/9 Find the number

Over [174]

Answer:

it is 2/3

Step-by-step explanation

i can't explain it to you

8 0

3 years ago

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A square dance floor has a perimeter of 120 yards. What is the length of a diagonal of the dance floor?