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wolverine [178]
3 years ago
8

I am in algebra 1, please help i am so lost :(

Mathematics
1 answer:
Wewaii [24]3 years ago
6 0
The skateboard would cost d-2h dollars because when the amount of money for both of the helmets is subtracted from the total dollar amount, then that leaves the amount that was paid for the skateboard since Timmy did not buy anything else. 
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In a study conducted in the United Kingdom about sleeping positions, 1000 adults in the UK were asked their starting position wh
Lady_Fox [76]

Answer: = ( 0.411, 0.409)

Therefore at 95% confidence interval (a,b) = (0.411, 0.409)

Step-by-step explanation:

Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.

The confidence interval of a statistical data can be written as.

x+/-zr/√n

Given that;

Mean gain x = 0.41

Standard deviation r = 0.016

Number of samples n = 1000

Confidence interval = 95%

z(at 95% confidence) = 1.96

Substituting the values we have;

0.41+/-1.96(0.016/√1000)

0.41+/-1.96(0.000506)

0.41+/-0.00099

0.41+/-0.001

= ( 0.411, 0.409)

Therefore at 95% confidence interval (a,b) = (0.411, 0.409)

4 0
4 years ago
AYUDA URGENTE POR FAVOR
svetoff [14.1K]

Answer:

Andbfhfhdbdbdhdhhdhdhdhd

8 0
3 years ago
The two cones are congruent. Determine the unknown measures of the cones. A = units B = units C = units D = units
Sophie [7]

Answer:

3.1

4.2

5.2

42

Step-by-step explanation: Just copy the other cone and find half of the diameter to find the radius the cones are congruent.

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3 years ago
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Can you explain to me how to do number two I'm studying for a quiz and I'm stuck on this one.
Furkat [3]

we have (-3,10) and (7,4), then

\begin{gathered} (\frac{x1+x2}{2},\frac{y1+y2}{2}) \\ (\frac{-3+7}{2},\frac{10+4}{2}) \\ (\frac{4}{2},\frac{14}{2}) \\ (2,7) \end{gathered}

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Read the following statement:
9966 [12]

Answer:it

yes because it universally applies to all objects

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3 years ago
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