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zlopas [31]
3 years ago
7

Which of the following is a rational number?

Mathematics
1 answer:
Soloha48 [4]3 years ago
8 0

Answer:

Square Root of 81

Step-by-step explanation:

9 times 9 = 81

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What’s is 20x^3 divided by x^2
jolli1 [7]

Answer:

20x

Step-by-step explanation:

20 x^3/ x^2

20 x x x

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x x

Cancel the x's

20 x

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1

20x

5 0
3 years ago
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A new Community Center is being built in Oak Valley. The perimeter of the rectangular playing field is 382 yards. The length of
vesna_86 [32]

Answer:

The width is 50 yards and the length is 141 yards.

Step-by-step explanation:

Let's call: L the length of the field and W the width of the field.

From the sentence, the perimeter of the rectangular playing field is 382 yards we can formulate the following equation:

2L + 2W = 382

Because the perimeter of a rectangle is the sum of two times the length with two times the width.

Then, from the sentence, the length of the field is 9 yards less than triple the width, we can formulate the following equation:

L = 3W - 9

So, replacing this last equation on the first one and solving for W, we get:

2L + 2W = 382

2(3W - 9) + 2W = 382

6W -18 +2W = 382

8W - 18 = 382

8W = 382 + 18

8W = 400

W = 400/8

W = 50

Replacing W by 50 on the following equation, we get:

L = 3W - 9

L = 3(50) - 9

L = 141

So, the width of the rectangular field is 50 yards and the length is 141 yards.

3 0
3 years ago
Question 2
harina [27]

Answer:

True

Step-by-step explanation:

a triangle can be formed with any side of any length

6 0
3 years ago
The perimeter of a rectangle is 20m and the length is x m find the
dsp73

Answer:

2(x+y)

Step-by-step explanation:

perimeter=20cm

length=x

Take the radius to be y

area of a rectangle=2(length+width)

therefore area of a rectangle=2(x+y)

6 0
2 years ago
Which of the following inequalities are correct?
Schach [20]

Answer:

Only C is correct

Step-by-step explanation:

59 is bigger than -59 not smaller so A is incorrect

0 is smaller than 76 not bigger do B is also incorrect

-76 is smaller than -59 according to number line so option C is correct

4 0
3 years ago
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