Which element is the basis for all living things and can combine with other elements in many ways? phosphorus carbon oxygen sulfur
Answers
Answer:
b
Explanation:
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Which chemical or physical change is an endothermic process? the burning of a candle the condensing of gaseous water on a glass filled with a cold liquid the melting of an ice cube the rusting of an old car.
An adviser oversees a school sponsored club or organization to ensure that
A scientist is investigating the cause of a foul smell in the river water of a specific location. Four residents of the location responded to questions asked by the scientist. The chart below shows their responses.Questions Resident 1's answer Resident 2's answer Resident 3's answer Resident 4's answer Do you work at the factory near the river? Yes No No Yes Do you use the river water for daily chores? Yes No Yes Yes Are you related to anyone who works in the factory near the river? No No Yes Yes Which resident is most likely to provide reliable and unbiased information? Resident 1 Resident 2 Resident 3 Resident 4
Answers
X=6
A=9
Putting value of X and A then we get,
=A*8+X*4+9
=9*8+6*4+9
=73+24+8
=105
Hope it helps you!!
Answer:
105
Explanation:
First plug in the numbers for the given variables:
x=6 and A=9 so
(9)*8+(6)*4+9
use PEMDAS
multiply first 9x8 then 6x4
72+24+9= 105
Answers
This solution assumes that there are no air resistance and no wind and thus no drag to the object itself
Based on the information given:
- inital height = 200
- final height = 0 or groundlevel
- no intial velocity
- acceleration: -g or 9.8m/s^2 (gravitional acceleration)
With that information at hand, we use the physics equation:
- a: acceleration
- t: time taken for the fall
- x: (with no subscript) is the final height
Now let's plug in all the known variables and solve.
.
Thus it takes the food packet approximately 6.389 seconds to hit the ground.
Hope that helps!
Answers
Answer:
The respiratory system provides oxygen for cells, while the circulatory system transports oxygen to cells. C. The respiratory system breaks down food for cell energy, while the circulatory system rids the body of waste.
Answers
The force of the football is 8.6 N if the mass of .43 kg and it accelerates at 20 m/s².
What is force?
A force is an influence in physics that causes the motion of a mass object to change its velocity, i.e. to accelerate. It can be a push or a pull, with magnitude and direction always present, making it a vector quantity.
To find the force (F) of the football, we can use Newton's second law of motion, which states that force is equal to mass times acceleration (F = m*a).
Given:
Mass (m) = 0.43 kg
Acceleration (a) = 20 m/s²
Using the formula:
F = m * a
Substituting the values, we get:
F = 0.43 kg * 20 m/s²
F = 8.6 N
Therefore, the force of the football is 8.6 N.
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Your question seems incomplete, the probable complete question is:
A football has a mass of .43 kg and it accelerates at 20 m/s². What is its force?
Answer:
10 m/s²
Explanation:
Near Earth's surface, gravitational acceleration is approximately 9.81 m/s2, which means that, ignoring the effects of air resistance, the speed of an object falling freely will increase by about 9.81 metres per second every second.
Answers
Answer: d. Portia does not want to say what she is feeling.
Explanation:
I got it right
Question:
What does the image of "a huge mountain ‘tween my heart and tongue” suggest about the meaning of this passage?
-Portia does not want Lucius to find out that she is in love.
-Portia misses the freedom to enjoy being out in nature.
-Portia knows that Lucius is one of the conspirators.
- Portia wishes for help to keep from saying what she knows and feels.
Answer:
Portia wishes for help to keep from saying what she knows and feels. -D
Explanation:
Just did it!
Answers
Considering the definition and sum of complex numbers, the sum (9 + 4i) + (–1 - 7i) gives as a result 8 -3i.
Complex numbers are combinations of real numbers and imaginary numbers.
In other words, complex numbers are numbers that have a real part and an imaginary part.
The most common representation of a complex number is the sum of a real part and an imaginary part. At the same time, the imaginary part is divided between the imaginary part and the imaginary unit:
z = a + bi
where
- a is a real number.
- b is the imaginary part.
- i is the imaginary unit.
This expression is called the binomial form of the complex number z.
To add two or more complex numbers, you simply have to add the real and imaginary parts separately. That is, being z1 = a + bi and z2 = c + di, the sum of both complex numbers is calculated as:
z1 + z2 = (a + c) + (b + d) i
In this case, to obtain 8 -3i you have to sum:
(9 + 4i) + (–1 – 7i)= (9-1) + (4-7)i= 8 - 3i
So, the sum (9 + 4i) + (–1 - 7i) gives as a result 8 -3i.
Learn more about complex number:
Answer:
B- (9 + 4i) + (–1 – 7i)
Explanation:
:)