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NNADVOKAT [17]
3 years ago
14

In a discus competition, an athlete threw the discus 63.37 meters, and 63.7 meters.Order the distances from least to greatest

Mathematics
1 answer:
andriy [413]3 years ago
5 0
62.95, 63.37, 63.7 is least to the greatest.
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The dimensions of a rectangle can be given by x+9 and x-2. If the area is 60ft^2, what is the value of X?
Anestetic [448]

Answer:

x=5

Dimensions of rectangle are

W=14 and L = 3

Step-by-step explanation:

Are of rectangle is

A=WL --------(1)

Where W is width and L is length of rectangle

Here

A=60

W=x+9

L=x-2

Substituting values in equation (1)

60 = (x+9) (x-2)

60 = x^{2} +9x -2x -18

x^{2} + 7x - 78 = 0

Using quadratic formula

x=\frac{-b +/- \sqrt{b^{2} - 4ac} }{2a}

Here a=1, b=7 and C=-78

x= \frac{-7 +/- \sqrt{7^{2} - 4(-78)} }{2}                   (Here +/- = ±)

x= \frac{-7 +/- \sqrt{ 49 + 312} }{2}

x= \frac{-7 +/- \sqrt{ 361} }{2}\\x= \frac{-7+/- 19}{2}x= \frac{-7 + 19 }{2} \ \ and \ \ x= \frac{-7-19 }{2}

x= \frac{12 }{2} \ \ and \ \ x= \frac{-26 }{2}

x= 5 \ \ and \ \ x= -13

x cannot be negative (Negative x means -ve dimensions of rectangle). Therefore

x=5

Dimensions of the rectangle are

W=x+9 = 5+9 = 14

L= x - 2 = 5-2 = 3

5 0
3 years ago
The sum of 2 numbers is 19 the differance is 3
Scilla [17]

Answer:

8 , 11

Step-by-step explanation:

x + y = 19

<u>  x * y = 3    </u>

2x = 16 -->  x = <u>8</u>

8x = 8, ---> y = 4 = <u>11</u>

Please give me BRAINLIEST and THANKS lol

4 0
3 years ago
Read 2 more answers
Sarah bought a TV for $250. Three years later she sold it for $180. Work out her percentage loss.
Anna71 [15]
70/250 x 100
Answer: 28%
3 0
3 years ago
If one out of 12 students at a school share a locker how many share a locker in a school of 456
Kobotan [32]

Answer:

456/12= 38  means 38 kids share a locker

Step-by-step explanation:


3 0
3 years ago
Read 2 more answers
What is the 135th digit to the right of the deciaml point in the repeating decimal 0.428571
Vikki [24]
0.428571428571

135/6 = 22 remainder 3
The 3rd digit is 8

Therefore, the 135th digit to the right of the decimal point is 8.
3 0
3 years ago
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