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klio [65]
3 years ago
13

Given: Each block has masses m1 = m2 =

Mathematics
1 answer:
Butoxors [25]3 years ago
5 0
1. a =g32. a = 3 μ g3. a = 3 g4. a =μ g25. a =g26. a =μ g37. a = 2 g8. a = g9. a = 2 μ g10. a = μ g
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How do you tell if a line is parallel perpendicular or neither?
cluponka [151]
You can tell that a line is parallel if the lines can go on forever without crossing or intersecting. A line is perpendicular when the lines intersect at a right angle. If the slopes are either equal or negative reciprocals, they cannot be parallel or perpendicular.

Hope this helps you!
3 0
3 years ago
1. LeAnn has 20 coins in her piggy bank. All the coins are either pennies or dimes. The total value of the coins is 83 cents. H
mafiozo [28]
There is 7 dimes and 13 pennies
8 0
3 years ago
If f(x)=7x-7 what is f(8)+f(4)
NARA [144]

<u>Given Function is</u>

  • f ( x ) = 7x - 7 ------- eqn ( 1 )

<u>Now , put the value of x = 8 in eqn ( 1 )</u>

  • f ( 8 ) = 7 ( 8 ) - 7
  • f ( 8 ) = 56 - 7
  • f ( 8 ) = 49 ------- eqn ( 2 )

<u>Now , put the value of x = 4 in eqn ( 1 )</u>

  • f ( 4 ) = 7 ( 4 ) - 7
  • f ( 4 ) = 28 - 7
  • f ( 4 ) = 21 ------- eqn ( 3 )
<h3 />

<u>From eqn ( 2 ) nd eqn ( 3 ) we get,</u>

  • f ( 8 ) + f ( 4 )
  • 49 + 21
  • 70

Hope Helps! :)

7 0
3 years ago
X3 + 2x2 - 48x<br> Help please
lutik1710 [3]

Answer:

0?

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A pilot flew a 400-mile flight in 2.5 hours flying into the wind. Flying the same rate and with the same wind speed, the return
zheka24 [161]

Answer:

20 miles per hour

Step-by-step explanation:

traveling against the wind was 160mph (400/2.5)

traveling with the wind was 200mph (400/2)

going against the wind is going in the negative direction of the wind speed, and going with the wind is going in a positive direction of the wind speed, therefore the wind speed is |direction1-direction2|/2, which would be |200-160|/2 = |40|/2 = 20mph

(180mph is neutral speed with no wind, with wind affecting this neutral speed ±20mph)

4 0
3 years ago
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