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Elodia [21]
3 years ago
7

The side length of a square is s feet.

Mathematics
2 answers:
creativ13 [48]3 years ago
8 0

Answer:

The perimeter is the sum of the length of the sides. A square has four equal sides. The perimeter of a square is four times the side length.

olga2289 [7]3 years ago
5 0

Hi, I took the test and the correct answer is: The perimeter is the sum of the length of the sides. A square has four equal sides. The perimeter of a square is four times the side length.

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A set of wrist watch prices are normally distributed with a mean of 767676 dollars and a standard deviation of 101010 dollars. W
Akimi4 [234]

Answer:

0.8224

Step-by-step explanation:

Data

  • mean: $76
  • standard deviation, sd: $10
  • first value of interest, x1: $63
  • second value of interest, x2: $90

z-score for x1:

z1 = (x1 - mean)/sd = (63 - 76)/10 = -1.3

z-score for x2:

z2 = (x2 - mean)/sd = (90 - 76)/10 =  1.4

The  proportion of wrist watch prices are between $63 and $90 is:

P(z1 < z < z2) = P(z < 1.4) - P(z < -1.3)

P(z < 1.4) = 0.9192 (see first picture attached)

P(z < -1.3) = 0.0968 (see second picture attached)

P(z1 < z < z2) = 0.9192 - 0.0968 = 0.8224

7 0
2 years ago
Please help me idk this
irina1246 [14]

Answer:

87 3/4

Step-by-step explanation:

in order to get your answer u will have to subtract

5 0
3 years ago
7x to the 2nd power when x=6
topjm [15]
Your answer would be 252 Hope this helps
4 0
2 years ago
4. Find the value of the expression below for r=4 and t=2.
Katen [24]

Answer:

(a) 9

Step-by-step explanation:

\sf t^3 - r + 20 \div  r

substitute r = 4, t = 2

\sf (2)^3 - 4 + 20 \div 4

simplify

\sf (2)^3 - 4 + 5

cubic of 2 is 8

\sf 8 - 4 + 5

simplify

\sf 9

5 0
1 year ago
Read 2 more answers
What is the measurement 345.067 mg rounded to four significant digits?
Viktor [21]
<span>count four from the first digit to the fourth one. When you see the fourth one, look at the digit after. if it is 5+ then the fourth digit increases by one. if 5- then it stays the same. 6>5 so 0 becomes 1.

Therefore the answer is 345.1mg</span>
4 0
3 years ago
Read 2 more answers
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