All categories

2 years ago

the erea of a concrete rectangular pathway is 350 m2 and its perimiter pathway is 90m.what is the length of the pathway

Mathematics

1 answer:

givi [52]2 years ago

7 0

Let length = L m and width = W m. Then:-

LW = 350

2L + 2W = 90

from the above equation:-

L = (90 - 2W) / 2

Substituting for L in the first equation:-

W(90 - 2W) / 2 = 350

90W - 2W^2 = 700

2W^2 - 90W + 700 = 0

(2W - 70)(W - 10) = 0

W = 35 , 10

therefore L = 10, 35

Answer Length = 35m and width = 10 m

You might be interested in

Circle area of a radius of 3

Nat2105 [25]

Answer:

A=28.27

Step-by-step explanation:

8 0

3 years ago

Let X denote the amount of time a book on two-hour reserve is actually checked out, and suppose the cdf is the following.

goldfiish [28.3K]

Answer: a) 0.2500

b) 0.1875

c) 0.4375

d) 1.414

e) 0, x/2

f) 1.3333

g) 0.4714

h) 2

Step-by-step explanation: see attachment below

3 0

2 years ago

2 = 1/2(7x - 4)<br> I need help finding the answer to this equation!!

zlopas [31]

Answer:

$2 = \frac{1}{2} (7x - 4)$

________________________________

$2 \times 2 = 7x - 4$

________________________________

$4 + 4 = 7x$

________________________________

$8 = 7x$

________________________________

$x = \frac{8}{7}$

________________________________

$x = 1 \frac{1}{7}$

________________________________

hope it helped you:)

7 0

2 years ago

Find the LCM of 200 and 240.

natka813 [3]

Answer:1,200

Step-by-step explanation:

6 0

3 years ago

H(x) = 3x - 3<br> g(x) = 3x - 1<br> Find h(g(6))

kupik [55]

Answer:

Step-by-step explanation:

Evaluate g(6) then substitute the value obtained into h(x)

g(6) = 3(6) - 1 = 18 - 1 = 17, then

h(17) = 3(17) - 3 = 51 - 3 = 48

8 0

2 years ago