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drek231 [11]
3 years ago
6

A sample of 75 concrete blocks had a mean mass of 38.3 kg with a standard deviation of 0.6 kg.

Mathematics
1 answer:
Scilla [17]3 years ago
8 0
The answer will be a
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Part a: the center of the circle
9966 [12]

Answer:

Center is N

Diameter is MO

3 radii is ( pn, on mn)

Step-by-step explanation:

The center is at the center so it's N

Diameter is between each two points on circle passing the center of circle

Radius is half the diameter

3 0
3 years ago
The figure below shows a triangular piece of cloth:
elena-14-01-66 [18.8K]

Answer:

  • C. 7 sin 33°

Step-by-step explanation:

Since B is right angle, AC is hypotenuse as opposite it.

BC is opposite to angle A which is 33°.

<u>We know that:</u>

  • sine = opposite / hypotenuse

<u>So we have:</u>

  • sin 33° = BC / 7 ⇒ BC = 7 sin 33°

Correct choice is C

4 0
3 years ago
Please answer one and two correctly it’s for a grade and I don’t understand
nikitadnepr [17]
1) 5/16 
Explanation: For number 1 the shaded part is the numerator and the number of squares is the denominator
2) 3
Explanation: Divide 12 by 4

7 0
3 years ago
Read 2 more answers
If you take 400 milligrams how much ounces do you take in a day?
Aleks04 [339]
<span>0.33863040 because if you convert 400mg to ounces you get .0141096 and when you multiply that by 24 you get the answer at the beginning of the comment.</span><span />
3 0
3 years ago
The perimeter of a rectangular pool is 348 m.
Igoryamba

Answer:

The length of the rectangle is 96 \text{m}

Step-by-step explanation:

The perimeter of a rectangle is calculated by P=2(l+w) where l represents the length and w represents the width of the rectangle.

The perimeter of a rectangular pool is 348 \text{m}.

P=2(l+w)\\348=2(l+78)\\348=2l+156\\2l=348-156\\2l=192\\l=\dfrac{192}{2}\\l=96 \text{m}

8 0
2 years ago
Read 2 more answers
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