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Yanka [14]
3 years ago
10

An iron rod has a known mass. Measuring a change in its height over time allows determination of change in which form of energy

in the rod?
A
Electric
B
Kinetic
C
Chemical
D
Gravitational potential
Mathematics
2 answers:
Vladimir79 [104]3 years ago
6 0
The answer is b I do believe
ASHA 777 [7]3 years ago
5 0
The answer should be B.
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how do you solve y=x+4 and y=-2x+1 using the subsituation method and show work and please give me the correct answer
SIZIF [17.4K]

Answer:

(-1,3)

Step-by-step explanation:

so y=x+4 and y=-2x+1

obviously, y=y

so that means that x+4 is equal to -2x+1

let's use that

y=x+4,y=-2x+1

y=y

x+4=-2x+1

x+2x=1-4

3x=-3

x=-1

y=x+4

y=(-1)+4

y=3

(-1,3)

6 0
3 years ago
Q # 8 please helme to resolve
kondor19780726 [428]

Sequence 1,5,9,13,...

A(0) = 1 +4x0=1

A(1) =1 + 4x1 = 5

A(2) = 1+ 4x2= 9

A(3) = 1 +4x3=13

A(n)= 1+4n   A(n-1) = 1+4(n-1) =1+4n-4= - 3+4n

A(n) - A(n-1) = (1+4n) - (-3=4n) = 4

A(n) = A(n-1) +4; 29 is the answer

4 0
3 years ago
Three children together have 50 toys,Harry has 10 less toys than Mark. Sue has twice as many toys as Harry. How many toys does e
Alexeev081 [22]

Answer:

Harry = 10 toys

Mark = 20 toys

Sue = 20 toys

Step-by-step explanation:

H + M + S = 50

H = M - 10

S = 2H

Harry = 10 toys

Mark = 20 toys

Sue = 20 toys

5 0
3 years ago
Choose the equation that represents the line passing through the point (2, -5) with a slope of -3.
chubhunter [2.5K]
Your answer is D.) y = -3x + 1
7 0
4 years ago
Read 2 more answers
Which ordered pair is a solution to this equation? y = 5x - 2 (0, 2) (1, 4) (2, 7) (3, 13)
Maurinko [17]
Hello : 
(3, 13) <span>pair -  solution because when x=3     y = 5(3)-2 = 13</span>
4 0
3 years ago
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