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horrorfan [7]
2 years ago
8

Show by direct proof the sum of two odd integers is an even integer.

Mathematics
1 answer:
DochEvi [55]2 years ago
4 0
I believe this is right, please correct me if not!

Good luck!

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A boulder falls off the top of a cliff during a storm. The cliff is 90 feet high.
andreev551 [17]

Answer:

It will take the boulder approximately 4.28 seconds to hit the road

Step-by-step explanation:

The given height of the cliff from which the boulder falls, h = 90 feet

The equation that can be used to find the time it takes the boulder to fall is h = u·t + (1/2)·g·t²

Where;

h = The height of the cliff = 90 ft.

u = The initial velocity of the boulder = 0 m/s (The boulder is assumed to be at rest when it falls)

g - The acceleration due to gravity ≈ 9.81 m/s²

t = How long it will take for the boulder to hit the road below

Plugging in the values gives;

90 = 0 × t + (1/2)×9.81×t² = 4.905·t²

∴ t = √(90/4.905) ≈ 4.28

The time it takes the boulder to hit the road, t ≈ 4.28 seconds.

7 0
2 years ago
A family visits a car show to research information on vehicles they might consider purchasing. Brochures for each vehicle provid
djyliett [7]

Answer:

Option A:

Number of seats

Step-by-step explanation:

A discrete quantitative variable is a variable that can be enumerated. This means that they are in units in which numbers can be assigned to and can be counted.

The number of seats present in the car can be counted. This feature can also be evaluated based on its numeral value, rather than its quality. In a simple form, the buyers feel that the more the number of seats present in the car, the more people it can carry. Hence, the family would love to buy a car with a good number of seats in it.

The other features in the options are rather continuous, qualitative, or boolean. Some of them are continuous because they cannot be counted e.g fuel efficiency. The others such as the presence of a sunroof can be seen as a boolean variable. (it can either be true or false)

Type of the transmission is a qualitative variable

7 0
3 years ago
Help filler filler filler
julsineya [31]
I got 16 but not 100% sure if it’s right
Sorry if it’s wrong, I tried my best
8 0
2 years ago
Sara had a baby that weighed 8 pounds at birth. The following graph represents the
prisoha [69]

Answer: The baby Grows at the average of 3 pounds a month.

Step-by-step explanation: See this work in the picture

7 0
3 years ago
Is the square number of 32 a whole number?​
Aneli [31]
No it’s not the square root of 32 is 5.65685424949
4 0
3 years ago
Read 2 more answers
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