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Alex73 [517]
2 years ago
12

Theo is a cleaner,

Mathematics
1 answer:
GaryK [48]2 years ago
4 0

Step-by-step explanation:

1 hour 50 minutes = 110 mins

1 1/2 hours = 90 mins

add all these:

110

90

85

55

35

when you add all these you get 375

every hour has 60 minutes

375 ÷ 60 = 6.15

if he starts at 9 am and he cleans for 6.15 hours he will be finished by 3:15pm.

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Gemiola [76]

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4 0
3 years ago
How does a dot plot help you describe a data set
REY [17]
A dot plot shows results from a range of data, giving it coordiantes so you can plot it on a graph
6 0
3 years ago
Is 15 cm greater than or less than 150 mm
Alekssandra [29.7K]

Answer:

Those are the same measurment!

Step-by-step explanation:

Conversion:

Conversion is 1cm=10mm

6 0
2 years ago
The weights of bags of ready-to-eat salad are normally distributed with a mean of 290 grams and a standard deviation of 10 grams
pentagon [3]
290-10=280

280 is one standard deviation below.
All that are above mean is 50%.
One standard deviation below is 34%.
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5 0
3 years ago
During a promotional event a sporting good store gave a free t-shirt every eighth customer and a free water bottle every 10th cu
liq [111]

Answer:

40th customer

Step-by-step explanation:

Given that there is a promotional event

A sporting good store gave t shirt and free water bottle.

T shirt was given to 8th customer and water bottle to every 10th customer.

For the first person who should get both, he should have number as least common multiple of 8 and 10

8 = 2x2x2

10 = 2x5

Hence least common denominator = 2x2x2x5 = 40

Thus 40th customer will be the first to get both.


5 0
3 years ago
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