Answer:
If the rational number is ab then, te reciprocal is ba
Step-by-step explanation:
Suppose that rational number is ab
Then, the reciprocal of that number is ba
Answer:
3/4 · 7/5=21/20
Step-by-step explanation:
3/4 ÷ 5/7=21/20
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Answer:
12 divided by 1.5 = 8 tapes
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Answer:


Step-by-step explanation:
Connecting points O and E and points O and J, we get triangle EOJ. This triangle is equilateral triangle, because OJ=OE=JE=r=10 cm.
Since EP⊥IJ, then segment JP is the height of the triangle EOJ.
The height of the equilateral triangle can be found using formula

where a is the side length.
So,

Therefore JP is 5√3 cm
X = 42 and y = - 23 are the two numbers