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Murljashka [212]
4 years ago
14

Below are a picture of parallel railroad tracks intersecting the parallel edges of a road.

Mathematics
1 answer:
asambeis [7]4 years ago
7 0
X= 130 degrees since 180 is the total minus 50 from above
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Sam’s best friend kisses her 20 times while sam’s BF kisses her 102 times
Fudgin [204]

Answer:

122 times

Step-by-step explanation:

20+102=122

(what is this question lol)

3 0
3 years ago
Read 2 more answers
Can you PLEASE help me!!!
alekssr [168]
N+2(2n-5)=20

Distribute
n+4n-10=20

Combine like terms
5n-10=20

Add 10 to both sides
5n=30

Divide both sides by 5
n=6

Final answer: 6
3 0
3 years ago
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A particle moves in a straight line so that its velocity at time
riadik2000 [5.3K]

Answer:

s(2) = 7.75

Step-by-step explanation:

given the velocity v(t) = t^3

we can find the position s(t) by simply integrating v(t) and using the boundary conditions s(1)=2

s(t) = \int {v(t)} \, dt\\ s(t) = \int {t^3} \, dt\\s(t) = \dfrac{t^4}{4}+c

we know throught s(1) = 2, that at t=1, s =2. we can use this to find the value of the constant c.  

s(1) = \dfrac{1^4}{4}+c\\4 = \dfrac{1^4}{4}+c\\c = 4-\dfrac{1}{4}\\c = \dfrac{15}{4} = 3.75

Now we can use this value of t to formulate the position function s(t):

s(t) = \dfrac{t^4}{4}+\dfrac{15}{4}\\

this is the position at time t.

to find the position at t=2

s(2) = \dfrac{2^4}{4}+\dfrac{15}{4}\\

s(2) = \dfrac{2^4}{4}+\dfrac{15}{4}\\

s(2) = \dfrac{31}{4} = 7.75

the position of the particle at time, t =2 is s(2) = 7.75

3 0
4 years ago
Find the volume of the cylinder. Round your answer to the nearest tenth if necessary. Use 3.14 for t.
Gnesinka [82]

Answer:

The answer is 1,885 inches

3 0
3 years ago
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1.<br>1. The factors of 64a3 + 343b3 are​
laiz [17]

Answer:

(4a + 7b)(16a² - 28ab + 49b²)

Step-by-step explanation:

Use the sum of two cubes to factor

In addition

a³ + b³ = (a + b)(a² - ab + b²)

In subtraction

a³ - b³ = (a - b)(a² + ab + b²)

64a³ + 343b³ = (4a + 7b)(16a² - 28ab + 49b²)

3 0
3 years ago
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