There are 27 boys on the playground.
Step-by-step explanation:
No. of Pre-K children = 34
No. of kindergarten children = 29
Total no of children = 29+34 = 63
Ratio of boys to girls = 3:4
Total ratio = 3+4 = 7
Therefore,
boys proportion = 
Total number of boys = 

There are 27 boys on the playground.
Keywords: Proportion, division.
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It would take
builders
days to complete the same house.
<h3>Who are builders?</h3>
Builders are those person whose job is to build or repair houses and other buildings.
We have,
builders take
days to complete a house.
So,
builder will take
days to complete a house,
In the same way,
builder will take
days to complete a house,
i.e.
builder
days.
Hence, we can say that it would take
builders
days to complete the same house.
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Let AB be a chord of the given circle with centre and radius 13 cm.
Then, OA = 13 cm and ab = 10 cm
From O, draw OL⊥ AB
We know that the perpendicular from the centre of a circle to a chord bisects the chord.
∴ AL = ½AB = (½ × 10)cm = 5 cm
From the right △OLA, we have
OA² = OL² + AL²
==> OL² = OA² – AL²
==> [(13)² – (5)²] cm² = 144cm²
==> OL = √144cm = 12 cm
Hence, the distance of the chord from the centre is 12 cm.
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Answer:
They ran it equally
Step-by-step explanation:
89/100 equals 0.89: 89 divided by 100 = 0.89.
Answer:n=-83/60 or -1.383
Step-by-step explanation: