use equivalent expression 20a+18+16a
Answer:
36a+18
Step-by-step explanation:
20a+16a=36a
18 does not have a "like term", so just leave it.
NEED HELP ASAP!!
Lisa and Cory are having a debate about gravitation. Lisa says that the astronauts in that international Space Station (which is a distance of about 6800 km from Earth’s center) are too far away from Earth to experience Earth’s gravitational pull, and that is why they float. Cory insists that Lisa is incorrect. Which of them is correct in their statement, and why?
Answer:
Only Cory is correct
Step-by-step explanation:
The gravitational pull of the Earth on a person or object is given by Newton's law of gravitation as follows;
[tex]F =G\times \dfrac{M \cdot m}{r^{2}}[/tex]
Where;
G = The universal gravitational constant
M = The mass of one object
m = The mass of the other object
r = The distance between the centers of the two objects
For the gravitational pull of the Earth on a person, when the person is standing on the Earth's surface, r = R = The radius of the Earth ≈ 6,371 km
Therefore, for an astronaut in the international Space Station, r = 6,800 km
The ratio of the gravitational pull on the surface of the Earth, F₁, and the gravitational pull on an astronaut at the international space station, F₂, is therefore given as follows;
[tex]\dfrac{F_1}{F_2} = \dfrac{ \dfrac{M \cdot m}{R^{2}}}{\dfrac{M \cdot m}{r^{2}}} = \dfrac{r^2}{R^2} = \dfrac{(6,800 \ km)^2}{(6,371 \ km)^2} \approx 1.14[/tex]
∴ F₁ ≈ 1.14 × F₂
F₂ ≈ 0.8778 × F₁
Therefore, the gravitational pull on the astronaut by virtue of the distance from the center of the Earth, F₂ is approximately 88% of the gravitational pull on a person of similar mass on Earth
However, the International Space Station is moving in its orbit around the Earth at an orbiting speed enough to prevent the Space Station from falling to the Earth such that the Space Station falls around the Earth because of the curved shape of the gravitational attraction, such that the astronaut are constantly falling (similar to falling from height) and appear not to experience gravity
Therefore, Cory is correct, the astronauts in the International Space Station, 6,800 km from the Earth's center, are not too far to experience gravity.
(3) need help plz Asap
Answer:
brainlist plzz
Step-by-step explanation:
D....................................
What’s the answer and can someone please explain it?
7+
2-
3+
3-
-
7+
1-
4
Answer:-15
Step-by-step explanation:
Answer:
umm... thirteen....
13
add x³-2x²y+4xy²-y³,2x³-5xy²+3x²y-4y³
Step-by-step explanation:
the answer is x times (x^2 +xy-y^2 - x^2 y^32)
yesterday the temperature was 7 degrees fahrenheit . Today the temperature is 0 degrees fahrenheit . What was the change in the temperature from yesterday to today?
Answer:
-7
Step-by-step explanation:
HOPE THIS HELPS
which linear any qualities could represent the given table of values
which graph shows a system of equations that can be entered into a graphing calculator to solve 16.9x-3.2x+18
Answer:
36.08
Step-by-step explanation:
This my answer thanks
The equation that can be entered into a graphing calculator to solve 16.9x–2.3=3.2x+18 are y = 16.9x - 2.3 and y = 3.2x + 18 respectively. Option B is correct.
What is the equation?The equation is the relationship between variables and represented as y = ax + b is an example of a polynomial equation.
The equation is
16.9x - 2.3 = 3.2x + 18
From options
y = 16.9x - 2.3 and y = 3.2x + 18
Hence, the equation that can be entered into a graphing calculator to solve 16.9x–2.3=3.2x+18 are y = 16.9x - 2.3 and y = 3.2x + 18 respectively.
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PLEASE HELP ASAP?!?
What are the sine, cosine, and tangent ratios for
6. A piece of carpet is 240cm long.
Mr Jones cuts it into three pieces in the ratio 1 : 2 : 5
Work out the length of the longest piece of carpet.
Answer:
150 cm.
Step-by-step explanation:
The number of parts = 1 + 2 + 5 = 8 so:
the largest part = 5/8 * 240
= 5 * 30
= 150 cm.
HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! WILL MARK THE BRAINLIEST! 20 PTS!
A rectangular prism has a volume of 198 cm³. A rectangular pyramid has the same height as the rectangular prism and a base that is congruent to the base of the rectangular prism. What is the relationship between the volume of the rectangular prism and the rectangular pyramid?
a. The volume of a rectangular pyramid is 3 times the volume of a rectangular prism. The volume of the rectangular pyramid is 594 cm3.
b. The volume of a rectangular pyramid is 13 the volume of a rectangular prism. The volume of the rectangular pyramid is 66 cm3.
c. The volume of a rectangular pyramid is 12 the volume of a rectangular prism. The volume of the rectangular pyramid is 99 cm3.
d. The volume of a rectangular pyramid is 2 times the volume of a rectangular prism. The volume of the rectangular pyramid is 396 cm3.
Answer:
i need an answer to have you figured it out yet
Step-by-step explanation:
Answer:
B - (Probably)
Step by step explanation:
the Volume of the Pyramid = Volume of Prism / 3
198cm^3 / 3 = 66cm^3
Write an equation, in standard form, using the following given info: M = 10
and it passes through the point (6,2) *
-10x + y = -58
-10x + y = 58. -10x - y = -58
10x + y = -58
Given:
m = 10
The line passes through the point (6,2).
To find:
The equation of line in the standard form.
Solution:
If a line passes through the point [tex](x_1,y_1)[/tex] with slope m, then the equation of line is
[tex]y-y_1=m(x-x_1)[/tex]
The line passes through the point (6,2) and m = 10. So, the equation of line is
[tex]y-2=10(x-6)[/tex]
[tex]y-2=10x-60[/tex]
[tex]y-10x=-60+2[/tex]
[tex]-10x+y=-58[/tex]
Therefore, the correct option is A.
I think of a number. I multiply it by 2 and my answer is 24. What was my number?
Need help trying to solve
Answer:
12
Step-by-step explanation:
Brainliest plz trying to level upConsider the function p(t) show.identify the intervals on which the function appears to be in increasing
Answer:A
Step-by-step explanation:
Can somebody plz help answer these questions correclty (like what the letters=) thanks :D
WILL MARK BRAINLIEST WHOEVER ANSWERS FIRST :DD
Answer:
6. p = 4
7. m = 7
8. n = 13
9. z = 5
10. x = 4
11. y = 9
Step-by-step explanation:
You can divide the solution by the number next to the letters/variables.
For example, to find 9p = 36 you can do 36 ÷ 9 which equals 4.
To double check, you can multiply your quotient by the divisor.
So to check if p = 4, you can do 9 x 4 which equals 36, therefore it is the solution.
Is there anybody here good at medical terminology??? pls I need help on one of my questions.
Answer:
I could try.
Step-by-step explanation:
Write an equation of the line that passes through the points (-6, -8) and (2, -8).
Y=
Answer:
I wanna say 8 if its.
y=8x+-8
If thats wrong im sorry
Answer:
8
Step-by-step explanation:
How many terms are in this expression? d + 8c + 7
Answer:
2
Step-by-step explanation:
Can anyone help me pls???
Answer:
It's
Step-by-step explanation:
9a-3b
because 3×3a is 9a and 3×-b is -3b hope this helps
Answer:
8) A 9) B
Step-by-step explanation:
For question 8 just combine like terms, combine the numbers that have the same variables. Number 9, distribute the 3 to the rest of the equation.
Hope this helped :)
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Answer: lol why so expensive.
X + 45 = 97
x + 100 = 135
x + 1,423 = 1,754
X=
X=
X=
X =
X =
Answer:
1) x= 52
2) x= 35
3) x= 331
Step-by-step explanation:
Formas de encontrar el numero de triángulos en un polígono
Answer:
n-2
Step-by-step explanation:
N sides polygon has n-2 triangles
Rob is saving to buy a new MP3 player. For every $11 he earns babysitting, he save $5. On Saturday, Rob earned $33 babysitting. How much money did he save?
Answer:
15
Step-by-step explanation:
if every $11 dollars he save $5, and sense he made $33 ( he done three babysitting)
11-5= 5 (does that three times) [5+5+5} when you add the three five , u should have 15 dollars.
so he save 15 dollars.
Which video game do you guys(and girls) like more?
*Halo (series)
*Call of duty WW2
*Call of duty Cold war
*Assassin's Creed(series)
*Pokemon (series)
*fortnite
*Titanfall (series)
Answer:
ALL OOF THEM
Step-by-step explanation:
Answer:
I like pokemon the best out of these choices. I am a logical thinker and love to think about the math involved (doing calcs) nuzlockes are such a fun challenge
911÷406 con operaciones
Answer:
2.24384236453
Step-by-step explanation:
division/división
Answer:
Step-by-step explanation:
2.24384236453 divicion y divicion
5x+3y-z-4x-3y-z help please
The simplified version of this x-2z
Step-by-step explanation:
You need to start by combining like terms. You can start with the terms that have the variable x in them. By combining those terms, the equation becomes x+3y-z-3y-z.
From here, you can combine the terms 3y and -3y, which bring the equation to x-z-z.
From here, combine the terms with the variable z. This would bring the equation down too x-2z, your final answer.
y=2x2+3 is this a linear or nonlinear function
Answer:
y=7
Step-by-step explanation:
2x2=4 +3 =7 y
Function 1 is defined by the equation p= --3/2r - 5. function 2 is defined by the following table. Which function has a greater y-intercept. A: Function 1 B: Function 2 C: The functions have the same y-intercept.
The y-intercept of function 1 is -5.
The y-intercept of function 2 is -5.
Option C is the correct answer.
What is a function?A function is a relationship between inputs where each input is related to exactly one output.
Example:
f(x) = 2x + 1
f(1) = 2 + 1 = 3
f(2) = 2 x 2 + 1 = 4 + 1 = 5
The outputs of the functions are 3 and 5
The inputs of the function are 1 and 2.
We have,
Consider the function to be in the form of p = mr + c
Where x is the y-intercept.
Function 1.
p = (-3/2)r - 5 _______(1)
y-intercept = -5
Function 2.
Let p = mr + c
Take two pairs from the table.
(0, -5) and (1, -6.5)
m = (-6.5 + 5) / (1 - 0) = -1.5
(0, -5) = (r, p)
-5 = -1.5 x 0 + c
c = -5
Now,
p = -5x - 5 ______(2)
y-intercept = -5
From (1 ) and (2)
Both have the same y-intercept.
Thus,
Function 1 and Function 2 have the same y-intercept.
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i don't understand this! can someone help me
Answer:
oh dang i hated doing these when i was in sixth grade lol umm 55?????
Step-by-step explanation: