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KengaRu [80]
3 years ago
7

The length of a rectangle is twice the width. If the perimeter of the rectangle is 60 units, find the area of the rectangle.

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
7 0
200

Let width = x
Let length = 2x
Let’s area = a

x+2x+x+2x=60

Combine the terms

6x = 60

Divide both sides by 6

x = 10

Width = 10
Length = 2*10 = 20

Area = 10*20 = 200
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ryzh [129]

Answer:

D. y = 3(1/3)x

Step-by-step explanation:

if x = -1

y = 9

A. y = (1/3) -¹ = 3 X

B. y = (1/3) -¹ + 2 = 5 X

C. y = (1/3) -¹ + 3 X

D. y = 3(1/3) -¹ = 9 ✓

So D is the answer

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3 0
2 years ago
2/3x + 1/2 = 5/6, x=
sesenic [268]

Answer: x = 1/2

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

4 0
3 years ago
A zookeeper is monitoring the population of gazelles. The herd needs three times more males than females to thrive, and the zoo
avanturin [10]

Answer:

0 < x ≤ 12 and 0 < y ≤ 36

Step-by-step explanation:

Here,  x represents the number of female gazelles and y represents  the number of male gazelles.

The zoo only has room for 12 female gazelles.

∵ The number of rooms must be more than or equal to the total female gazelles ,

12 ≥ x

Also, number of animals can not be negative,

And, it must be greater than 0.

⇒ 0 < x ≤ 12,

⇒ 3(0) < 3x ≤ 3(12)

⇒ 0 < 3x ≤ 36

∵ Number of males gazelles = 3 × number of female gazelles

⇒ y = 3x

⇒ 0 < y ≤ 36

Hence, the constraints to represent a thriving population of gazelles at the zoo are,

0 < x ≤ 12,

0 < y ≤ 36

7 0
3 years ago
Read 2 more answers
A recipe requires 3 cup of cornstarch. You can only measure using 1/4 cup. How many 1/4 cups are needed in the recipe
anastassius [24]

Answer:

12

Step-by-step explanation:

to make 1 cup with 1/4 cup you need to put 4.

therefore;

number of 1/4 cups needed = 3x4=12

7 0
2 years ago
What is the surface area?
loris [4]
I believe it is 1250
Explanation: Area of a triangle=1/2bh-1/2•20•30
Area of square=bh-25•25
Add your answers together then you get 1250
7 0
3 years ago
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