What is the value of x in the figure below? to 118° A. 28 B. 62 C. 90 D. 118

Mathematics

1 answer:

My name is Ann [436]2 years ago

5 0

Answer:

D. 118°

Step-by-step explanation:

x = 118° { being corresponding angles }

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If x varies inversely as y and x=2.5 when y = 40 , find y when x = 2

Illusion [34]

Answer:

2.5/40=2/y

2.5y=40x2

2.5y=80

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If x > 0 and y > 0, where is the point (x, y) located?

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Given, x > 0, y > 0.
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1st Quadrant : (+,+)
2nd Quadrant : (-,+)
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Doubt clarification - use comment section

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2 years ago

The position, x, of an object is given by the equation x = A + Bt +Ct2, where t refers to time. What are the dimensions of A, B,

Serjik [45]

Answer: Dimensions of A are of length [L]

Dimensions of B are of $LT^{-1}$

Dimensions of C are of $LT^{-2}$

Step-by-step explanation:

The given equation is

$x(t)=A+Bt+Ct^{2}$

Since the dimension on the L.H.S of the equation is [L] , each of the terms on the right hand side should also have dimension of length[L] to be dimensionally valid

Thus

Dimensions of A = [L]

Dimensions of Bt = [L]

$Bt=[L]\\\\$ $[B][T]=[L]$ $\\\\\therefore [B]=LT^{-1}$