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True [87]
3 years ago
10

The perimeter of a rectangular swimming pool is 446 centimeters. The width of the pool is 7 centimeters less than the length of

the pool. Find the length and the width of the swimming pool.
Mathematics
2 answers:
Tomtit [17]3 years ago
7 0

Answer:

length = 115

width = 115 -7 = 108

Step-by-step explanation:

Formula:

Perimeter of rectangle with length 'l' and width 'b' is given by,

Perimeter = 2(l + b)

<u>To find the length and breadth</u>

Here perimeter = 446 cm

Let 'x' be the length of rectangle then width = x - 7

Perimeter = 2(l + b) =446

2(x + x - 7) = 446

2(2x  - 7) = 446

2x - 7 = 446/2 = 223

2x = 223 +7

2x = 230

x = 230/2 = 115

Therefore length = 115

Then width = 115 -7 = 108


VLD [36.1K]3 years ago
5 0

Answer:

length = 115 cm

width = 108 cm

Step-by-step explanation:

The perimeter of a rectangular swimming pool is 446 centimeters

LEt L be the length of the pool

The width of the pool is 7 centimeters less than the length of the pool.

width = length - 7

W= L-7

Given perimeter = 446

Perimeter of rectangle = 2(length)+2(width)

446 = 2(L) + 2(W)                    we know W = L-7

446 = 2(L) + 2(L-7)    

446 = 2L + 2L - 14

Add 14 on both sides

460 = 4L

divide by 4 on both sides

L= 115

Length L= 115

Width W = L - 7 = 115 - 7= 108

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Answer:

<em>Exact Form: </em>

\frac{8}{3}

<em>Decimal Form: </em>

2.6

<em>Mixed Number Form: </em>

2\frac{2}{3}

Hope this helps :)

<em>-ilovejiminssi♡</em>

4 0
3 years ago
For finding the circumference of a circle: can an arc determine the circumference of a circle, yes or no
Ivanshal [37]

Answer:

yes , an arc can indeed determine the circumference of a circle

3 0
4 years ago
Compute the following.<br> f(40) − f(0)/40 − 0
Rudik [331]

Answer:

the slope of the tangent line at (40, f(40))the slope of the tangent line at (15, f(15)) the slope of the tangent line at (10, f(10))the slope of the line segment from (10, f(10)) to (40, f(40))

6 0
2 years ago
The system of equations below represents p, the number of photo files, and v, the number of video files Helena uploaded to an on
ss7ja [257]
P + v = 650....p = 650 - v
4p + 9v = 2925

4(650 - v) + 9v = 2925
2600 - 4v + 9v = 2925
-4v + 9v = 2925 - 2600
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v = 325/5
v = 65.....video files

p + v = 650
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5 0
3 years ago
Read 2 more answers
Identify the 35th term of an arithmetic sequence where a1 = −7 and a18 = 95.
borishaifa [10]
Th term of an arithmetic sequence:

We have to find the difference (d)

an=a₁+(n-1)d

Data:
a₁=-7
a₁₈=95

95=-7+(18-1)d
95+7=17d
17d=102
d=102/17
d=6

Now, we can calculate the 35 th term of an arithmetic sequence:
a₃₅=-7+(35-1)*6
a₃₅=-7+34*6
a₃₅=-7+204
a₃₅=197

Answer: the 35th term of this arithmetic sequence is 197. (a₃₅=197)

4 0
4 years ago
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