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disa [49]
3 years ago
10

Find the start time. Start time:____ P.M. Elapsed time: 2 1/4 hr End time: 4:44 P.M.

Mathematics
2 answers:
Artyom0805 [142]3 years ago
8 0

Answer:

2:30

Step-by-step explanation:

I think sorry if I'm wrong

iVinArrow [24]3 years ago
7 0

Answer:

2:29 PM

Step-by-step explanation:

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What is the aproximite area of a circle with a diameter of 50 cm use 3.14 pi
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Answer:

78.5

Step-by-step explanation:

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3 years ago
-1.96321 and - Square root is five
Natalija [7]

The above is a simple math problem and the answer to x which is the unknown is -6.5 approximately.

<h3>What is the calculation for the above answer?</h3>

First, lets rewrite the word problem:

-1.96321 and - √(x) = 5

Note that "and" is also multiplication in math.

Hence,

-1.96321 *  - √(x) = 5

- √(x) = 5/-1.96321

-x = (5/-1.96321)²

- x = 6.48644131993

x = - 6.48644131993

x $\approx$ -6.5

Learn more about simple math problems:

brainly.com/question/251701
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7 0
2 years ago
In the context of a correlational study, what does the positive or negative sign of a correlation coefficient indicate?
Artyom0805 [142]

Answer:

Direct or inverse relation between two variables

Step-by-step explanation:

Now, we first have to understand that what is correlation study. In a correlational study, we try to find the relation between two variables. For example, mass and weight of a substance. If mass increases the weight will increase as well. it represent that both have strong positive correlation. Now the positive sign indicates that the correlation is directly proportional. Means if one variable increases, other will follow. Whereas, negative sign shows that two variables are inversely proportional, means, if one increases, other will decrease. For example any demand and supply system in economics. When supply is short, demand will rise, but if there is enough supply, demand will fall down accordingly.

Also notify that the coefficient is actually indicates the strength of relation between two variables. For example, if you pour water in container it will increase the weight of container, so it is directly proportional, now if you start to add honey, it will increase the weight of container more rapidly because honey has more density. So, coefficient of correlation for quantity of honey and weight of container is stronger than for quantity of water and weight of container.

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4 years ago
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Add 10 to both sides, so you get v=1
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What is the equation of the parabola?
bogdanovich [222]
It Given the focus (h,k) and the directrix y=mx+b, the equation for a parabola is (y - mx - b)^2 / (m^2 +1) = (x - h)^2 + (y - k)^2.
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3 years ago
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