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-Dominant- [34]
3 years ago
6

Marcus is putting a rectangular fence around his garden to keep the animals from stealing his vegetables. The perimeter of the r

ectangle is 80 feet . The ratio of the width to the length is 3 to 5. What are the dimension of the rectangle (please help) & show work please
Mathematics
1 answer:
Otrada [13]3 years ago
7 0
Ratio of width to length:    W/L = 3/5
5W = 3L  .........(a)

Perimeter = 2*(L+W) = 80

2*(L+W) = 80
(L+W) = 80/2.  Divide both sides by 2.
L+W= 40......(b)


5W = 3L

L + W = 40    Multiply both sides by 5.
5*(L+W) = 5*40
5L+5W = 200.             Recall from (a)   5W = 3L
5L + 3L = 200
8L = 200
L = 200/8
L = 25.

5W = 3L
5W = 3*25
W = 3*25/5
W = 15.

Therefore, the length, L = 25 and width , W = 15.
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How many times larger is 4x10^7 than 5x10^5
irina1246 [14]

Answer:

8 times larger

Step-by-step explanation:

4 · 10^{7} = 4 · 10 · 10 · <u>10</u> · <u>10</u> · <em>10</em> · <em>10</em> · 10

4 · 100 · <u>100</u> · <em>100</em> · 10

400 · 10000 · 10

= 40000000

5 · 10^{5} = 5 · 10 · 10 · <u>10</u> · <u>10</u> · 10

50 · 100 · <u>100</u> · 10

5000 · 1000

= 5000000

40000000 ÷ 5000000 = 8

5 0
3 years ago
HELP I’VE FALLEN AND I️ CANT GET UP! (jk) I️ JUST REALLY NEED HELP ON THIS ALGEBRA QUESTION?!
Lana71 [14]

use cross products

(3r+6) *2 = 9*(2r-4)

6r+12 = 18r-36  distribute

12    = 12 r -36    subtract 6r from each side

48 = 12r  add 36 to each side

4=r  divide by 12

3 0
3 years ago
PLEASE HELP! I WILL MARK BRAINLIEST! Which type of lines is shown in the illustration above?
Rainbow [258]
D intersecting lines
6 0
2 years ago
Read 2 more answers
Indicate the equation of the line, in standard form, that passes through (2, -4) and has a slope of 3/5. Enter your answer into
yulyashka [42]

The equation of the line is  y = (3/5)x + 26/5

<u>Step-by-step explanation:</u>

  • The line passes through the point (2,-4).
  • The line has the slope of 3/5.

To find the equation of the line passing through a point and given its slope, the slope-intercept form is used to find its equation.

<u>The equation of the line when a point and slope is given :</u>

⇒ (y-y1) = m(x-x1)

where,

  • m is the slope of the line.
  • (x1,y1) is the point (2.-4) in which the line passes through.

Therefore, the equation of the line can be framed by,

⇒ (y-(-4)) = 3/5  (x-2)

⇒ (y+4) = 3/5(x-2)

Take the denominator 5 to the left side of the equation.

⇒ 5(y+4) = 3(x-2)

Now, multiply the number outside the bracket to each term inside the bracket.

⇒ 5y+20 = 3x -6

⇒ 5y = 3x-26

Divide by 5 on both sides of the equation,

⇒ y = (3/5)x + 26/5

Therefore, the equation of the line is  y = (3/5)x + 26/5

4 0
3 years ago
Read 2 more answers
Sole for the indicated variable.<br><br> ax+r=7, for x
nasty-shy [4]

ax+r=7

Move ax to the other side. +positive ax changes to -negative ax

ax-ax+r=7-ax

r=7-ax

Answer: r=7-ax or r=-ax+7 ( same thing) but rearranged

8 0
3 years ago
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