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faust18 [17]
3 years ago
6

I WILL MARK BRAINLIEST!

Mathematics
1 answer:
Bess [88]3 years ago
7 0

Answer:

choice 2

Step-by-step explanation:

since assistive property main meaning is changing the grouping does not change the sum choice 2 would be the best becouse only the grouping changed

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Answer: A

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3 years ago
Mother bake some cookies she get one set of the cookies​
xz_007 [3.2K]

Answer:

She got one set.

4 0
4 years ago
Cecil measures the length and width of a playground. What is the most appropriate unit of measure for the dimensions of the play
alisha [4.7K]

Answer:

Meters

Step-by-step explanation:

Meter is the standard unit of length in SI system and is normally used to measure houses and fields, therefore it is appropriate unit of measure for the dimensions of the playground.

A meter has 100 centimeters which is fairly small unit and cannot be used for dimensions of playground.

Similarly a Kilometer has 1000 meters and is used to measure long distances from one place to other which also makes it inappropriate unit for dimension of playground.

Hope that clarifies the answer.

8 0
3 years ago
Two ships leave port at the same time. One travels at 5km/h on a bearing of 046°. The other travels at 9km/h on a bearing of 127
inn [45]

Answer:

You do not sail on a "bearing". You sail on a "heading". A bearing is a direction you look at another ship or a lighthouse or whatever. " That tanker bears south by Southwest for example. Math texts drive me nuts. Landlubbers.

Anyway:

first ship east (+x) distance = 10 cos 46 = 6.95 km

first ship north (+y) distance = 10 sin 46 = 7.19 km

180 - 127 = 53 degrees north of west

second ship east distance = -18 cos 53 = - 10.8 km

second ship north distance = 18 sin53 = 14.4 km

difference east-west = 6.95 + 10.8 =

difference north south = 14.4 - 7.9 =

Step-by-step explanation:

8 0
3 years ago
Does anyone know to solve this?
Aloiza [94]

Answer:

Step-by-step explanBecause many objects are not regularly shaped their volume cannot be determined using a volume formula. The volume of these objects can be found by water displacement. A volume of water sufficient to cover the object is placed in a graduated cylinder and the volume read. The object is added to the cylinder and the volume read again. The difference between the two volumes is the volume of the object. This method is demonstrated using the same battery used above.

ation:

7 0
3 years ago
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