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maria [59]
3 years ago
13

R = -5, s = 2, t = 7, u = -1 5r - 4

Mathematics
1 answer:
Doss [256]3 years ago
8 0
5r-4 and r=-5 so it would be 5(-5)=-20, then -4 , so is is -24
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The perimeter of a rectangular garden is 9696 meters. The length is 6 meters longer than twice the width. Find the dimensions of
nalin [4]

length = 3234 m and width = 1614 m

let the width = w then length = 2w + 6

Perimeter = 2 ( length + width )

               = 2 (2w + 6 + w ) = 2 ( 3w + 6 ) = 6w + 12

given perimeter = 9696 the equating gives

6w + 12 = 9696

subtract 12 from both sides

6w = 9696 - 12 = 9684

divide both sides by 6

w = \frac{9684}{6} = 1614

width = 1614 m and length = (2 × 1614 ) + 6 = 3234 m


3 0
4 years ago
A pole that is 3.5m tall casts a shadow that is 1.47m long. At the same time, a nearby tower casts a shadow that is 42.75m long.
Stells [14]

<u>Answer:</u>

The height of the tower nearby the pole is 102 m.

<u>Solution:</u>

Given,

Height of the pole = 3.5 m

Length of the shadow of the pole = 1.47 m

Length of the shadow of the tower nearby = 42.75 m

Let us assume the height of the tower as x

\frac{height of the pole}{length of the shadow of the pole}=\frac{height of the tower}{length of the shadow of the tower}

\frac{3.5}{1.47} = \frac{x}{42.75}

On solving for x we get,

x = \frac{3.5}{1.47}\times 42.75

x = 101.785 m

On rounding off to the nearest meter we get,

x=102 m

\therefore The height of the tower is 102 meter.

7 0
3 years ago
Need 24 26 28 and 30 dne, first correct will get brainiest
Galina-37 [17]

Answer:

Many answers, look below :)

Step-by-step explanation:

24.

(x)=2x^5+6x^4

3 0
3 years ago
Solve for x: 2x^2+3x=2
Mariulka [41]

Answer:

The answer should be -2/5

Step-by-step explanation:

Hope this helps

Have a great day

7 0
3 years ago
Read 2 more answers
3x+2y=45 what is the solution to this system of equation
Scrat [10]

Answer:

x=15  y=22.5

Step-by-step explanation:

you divide 45 by 3 and then you divide 45 by 2

3 0
3 years ago
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