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gtnhenbr [62]
3 years ago
14

Help with this question plz

Mathematics
1 answer:
nika2105 [10]3 years ago
7 0

Answer:

7 millimeters

Step-by-step explanation:

{7 }^{2}  = 49

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Vicki puts 10 books on a shelf. The 10 books take up 28 cm. What is the mean (average) thickness of her books? Can I have it wor
netineya [11]
Average thickness of book = Total thickness/mo. of books
= 28 cm/ 10
= 2.8 cm
Thus, on average, each book has 2.8 cm thickness.
5 0
3 years ago
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Find the solution of 4x2y′′−4x2y′+y=0,x>04x2y″−4x2y′+y=0,x>0 of the form y1=xr(1+c1x+c2x2+c3x3+⋯)
BabaBlast [244]

Answer:

r = 1/2

c1 = 3/4

c2 = 27/64

c3 = 405/1408

Step-by-step explanation:

Find the solution of 4x2y′′−4x2y′+y=0,x>04x2y″−4x2y′+y=0,x>0 of the form y1=xr(1+c1x+c2x2+c3x3+⋯)

r = 1/2

c1 = 3/4

c2 = 27/64

c3 = 405/1408

The solution is attached.

5 0
4 years ago
For what value of x is the rational expression below equal to zero?<br> x-4/x-6
iris [78.8K]

Answer:

x=6

Step-by-step explanation:

anything over 0 will equal 0

5 0
3 years ago
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I run 1 3/4 miles a day my friend runs 4 times as far as I do gow fae does she run each day s
umka2103 [35]

Answer:

7 miles per day

Step-by-step explanation:

Turn 1 3/4 in to a decimal (1.75) then multiply by 4 and you will get 7.

6 0
3 years ago
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PLSSSSSSS HELPPPPPppppp
icang [17]

Answer:

20 units

Step-by-step explanation:

The polygon has 4 vertices as indicated by the 4 coordinate points given.

(3, 1) and (8, 1) is a horizontal side of length 8 - 3 = 5

Similarly

(3, 6) and (8, 6) is the opposite horizontal side of length 8 - 3 = 5

Points (3, 1) and (3, 6) is a vertical side of length 6 - 1 = 5

(8, 1) and (8, 6) is the opposite side of length 6 - 1 = 5

The polygon is therefore a square of side 5 units.

Perimeter = 4 × 5 = 20 units

5 0
3 years ago
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