how many bricks each 22 cm long and 15 CM broad will be required to pave a court 30 metre long and 22 wide
2 answers:
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Answer:
The scale factor is
Step-by-step explanation:
Line segmentAB has vertices A(−3, 4) and B(1, −2) .
A dilation, centered at the origin, is applied to AB. The image has vertices
A'(-1,4/3) and B′(1/3, −2/3) .
We know the rule for dilation by scale factor of k, is
This means that;
But we know, A' has coordinates (-1,4/3)
This means that
We could also compare:
4k=4/3
Which gives
k=⅓
Answer:
(d)
Step-by-step explanation:
Given
Required
The intercepts
The x intercepts are where the graph crosses x axis.
From the attached plot, they are:
and
These represent the start and end of the ball that is launched.
Hence, (d) is true