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ANTONII [103]
3 years ago
9

Quiz consists of 60 true or false questions. If the student guesses on each​ question, what is the standard deviation of the num

ber of correct​ answers? Round to the nearest thousandth.
2 0r 3.873 or 0 or 5.477
Mathematics
1 answer:
anyanavicka [17]3 years ago
6 0

Answer:

5.477 ok my friend oooooo

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An altitude of a triangle is a perpendicular segment from a vertex to the line containing the opposite side true or false
sashaice [31]
The answer is true. An altitude of a triangle is the perpendicular segment from a vertex to the line containing the opposite side.
3 0
2 years ago
What would the equation be for the points (0,-2) and (2,6) be? (SLOPE INTERCEPT FORM y=mx+b)
Paladinen [302]

Answer:

Slope m=4

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

We have A(0,-2)->x1=0, y1=-2

B(2,6)->x2=2, y2=6

7 0
1 year ago
The first three terms of a sequence are given. Round to the nearest
melamori03 [73]

Answer:

I'm sorry I don't know

Step-by-step explanation:

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2 years ago
The density of ice is approximately 0.92 g/cm3 . If a block of ice has a volume of 2300 cm3, what is its mass?
Mumz [18]

Answer:

The mass of the ice block is 2116 grams ⇒ a

Step-by-step explanation:

The formula of density is p=\frac{m}{V} , where m is the mass and V is the volume

To find the mass from this formula multiply both sides by V,

then m = p.V

∵ The density of ice is approximately 0.92 g/cm³

∴ p = 0.92

- That means the mass of 1 cm³ is 0.92 g

∵ The volume of an ice block is 2300 cm³

∴ V = 2300

- Use the formula of the mass

∵ m = p.V

- Substitute the values of p and V in it

∴ m = (0.92)(2300)

∴ m = 2116 grams

The mass of the ice block is 2116 grams

7 0
2 years ago
The value of y varies directly with x. If x = 7, then y = 15.
Alona [7]

Answer:

5

Step-by-step explanation:

mark me brainliest plz

8 0
2 years ago
Read 2 more answers
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