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LekaFEV [45]
3 years ago
13

Which square root is a rational number ? Square root 50, square root 70, square root 81, square root 96

Mathematics
1 answer:
Elis [28]3 years ago
8 0

Answer:

square root of 81

Step-by-step explanation:

\sqrt{81}  = 9

so 9 is rational number.

the rest are irrational number

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I need to know the equations
dem82 [27]
Let l, t, b represent the numbers of lions, tigers, bears, respectively.

2l +3t +3b = 156 . . . . . . . 156 meals per day are supplied
l +t = 3b . . . . . . . . . . . . . . there are 3 times as many great cats as bears
l +t +b = 68 . . . . . . . . . . . there are a total of 68 animals

_____
The last 2 equations tell you
.. 4b = 68
.. b = 17
Subtracting 3 times the last equation from the first gives
.. -l = -48
There are 48 lions, 3 tigers, and 17 bears.
4 0
3 years ago
Read 2 more answers
Need help with question 3. Dont Understand
Vedmedyk [2.9K]

Answer:

It represents both the positive and the negative square root of 256.

Step-by-step explanation:

16*16=256

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They are both valid answers.

5 0
3 years ago
Uma is planning to decorate a blanket with a triangular shape that has a base of 5 centimeters and a height of 7 centimeters. Sh
Mariana [72]

Answer:

<h2>1,190cm²</h2>

Step-by-step explanation:

The Area of a triangle is expressed  as 1/2 * base * height. If uma is planning to decorate a blanket with a triangular shape that has a base of 5 centimetres and a height of 7 centimetres, area of the blanket will be expressed as shown;

Area of the blanget = 1/2 * 7 * 5

Area of a blanket = 35/2 = 17.5cm²

If she plans to cut out 68 triangles with these dimensions, the total area will be total number of triangles * area of one triangle i.e 68 * 17.5 = 1,190cm²

6 0
3 years ago
The Gomes family is on a road trip. On the first day, they drove a distance shown as 3 1/2 inches on a map. The actual distance
marissa [1.9K]
1/r = (3 1/2)/245
(3 1/2)r = 245
r = 245/3 1/2
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scale is 1 in to 70 miles.
6 0
3 years ago
The shaded area of the shape below rounded to the nearest whole number is:<br>8 cm<br>8 cm​
maks197457 [2]

Answer:

64

Step-by-step explanation:

8x8=64

3 0
3 years ago
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