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kap26 [50]
3 years ago
5

Which number has a cube root between 7 and 8

Mathematics
2 answers:
lubasha [3.4K]3 years ago
3 0

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

<u>Here </u> ,There are no options given to choose which number is a cube root between 7 & 8 . So below provided answer is way to choose which numbers have cube root between 7 & 8 .

Here  , We have to find that Which number has a cube root between 7 and 8  . Let's find out :

We know that ,

\sqrt[3]{343}  = 7\\\sqrt[3]{512}  = 8

So , the number which have cube root between 7 & 8 will surely lie in between of 343 & 512  . Suppose the numbers which which have cube root between 7 & 8  are x_1,x_2,x_3,....,x_n , So these numbers lie between 7 & 8 i.e.

⇒ 343

Therefore, all the numbers which lies between 343 and 512 or 343  , have a cube root between 7 & 8 .

alexira [117]3 years ago
3 0

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

The numbers having cube roots between 7-8 are as follows -

Cube Roots - Cube root is a value of the Number such as  27=3*3*3

 here cube root of 27 is 3 as when we multiply 3 thrice we get the number.

The above question requires a number which has cube root between 7 and 8.

1.92*1.92*1.92=7.07  

1.93*1.93*1.93=7.18

1.94*1.94*1.94=7.30

1.95*1.95*1.95=7.41

1.96*1.96*1.96=7.52

1.97*1.97*1.97=7.64

1.98*1.98*1.98=7.76

1.99*1.99*1.99=7.88

the numbers which are cube roots between 7 and 8 are - 1.92,1.93,1.94,1.95,1.96,1.97,1.98,1.99.

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~ hopes this help!
5 0
3 years ago
What is the percentage of this
dexar [7]

Answer:

69%

Step-by-step explanation:

10×10 table, 69 cells are orange. Therefore the fraction 69/100 as a percentage is 69%.

4 0
2 years ago
A rectangular playground is to be fenced off and divided in two by another fence parallel to one side of the playground. Three h
neonofarm [45]

Answer:

  • 50 ft by 75 ft
  • 3750 square feet

Step-by-step explanation:

Let x represent the length of the side not parallel to the partition. Then the length of the side parallel to the partition is ...

  y = (300 -2x)/3

And the enclosed area is ...

  A = xy = x(300 -2x)/3 = (2/3)(x)(150 -x)

This is the equation of a parabola with x-intercepts at x=0 and x=150. The line of symmetry, hence the vertex, is located halfway between these values, at x=75.

The maximum area is enclosed when the dimensions are ...

  50 ft by 75 ft

That maximum area is 3750 square feet.

_____

<em>Comment on the solution</em>

The generic solution to problems of this sort is that half the fence (cost) is used in each of the orthogonal directions. Here, half the fence is 150 ft, so the long side measures 150'/2 = 75', and the short side measures 150'/3 = 50'. This remains true regardless of the number of partitions, and regardless if part or all of one side is missing (e.g. bounded by a barn or river).

6 0
2 years ago
Sampson solves the inequality as shown below.
astraxan [27]

Answer:

subtract 3 from both sides

Step-by-step explanation:

7 0
3 years ago
What is the value of A?
Artemon [7]

Answer:

101

Step-by-step explanation:

The theorem to use this is the intercepted arc theorem, which tells us that if we take 2 points on the circumference of a circle and create an angle in the opposite side of the circumference, that angle is HALF that of the ARC intercepted.

If we look at 100 degree angle, we see the ARC intercepted is 99 degree and a degrees. According to theorem, we can say:

99 + a = 2(100)

99 + a = 200

a = 200 - 99

a = 101

6 0
3 years ago
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