2 years ago

Which expression would be easier to simplify if you used the associative property to change the grouping

Mathematics

2 answers:

olga nikolaevna [1]2 years ago

6 0

Answer:

A it is so simple just try it

Simora [160]2 years ago

4 0

Answer: C

Step-by-step explanation:

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Nisha works at a bank. In her till 35% of the notes are £5 notes, 40% are £10 notes and the rest are £20 notes. If all the £20 n

podryga [215]

Answer:

£1290

Step-by-step explanation:

35%+40%= 75%

£600=25% £600÷20=30 25%of till = 30 notes 100%=120 notes

40% of 120 =48notes 48x10=£480

90notes-48notes=42notes

42x£5=£210

£600+£480+£210=£1290

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2 years ago

Write 3 different subtraction equations that equal 14.

borishaifa [10]

Answer:

17-3=14

37-23=14

20-6=14

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2 years ago

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A pound of coffee beans yields 50 cups of coffee (4 cups = 1 qt). how many milliliters of coffee can be obtained from 2 g of cof

juin [17]

You can have yourself 10 milliliters of coffee

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2 years ago

What is the length of AC ? 3ft 4ft 9ft 18ft

WINSTONCH [101]

ΔACB and ΔMNB are similar. Therefore the corresponding sides are in proportion:

$\dfrac{AC}{MN}=\dfrac{CB}{NB}\\\\MN=9\ ft\\CB=2\cdot3\ ft=6\ ft\\NB=3\ ft$

Substitute:

$\dfrac{AC}{9}=\dfrac{6}{3}\\\\\dfrac{AC}{9}=2\ \ \ \ |\cdot9\\\\AC=18\ ft$

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2 years ago

Maureen is in charge of renting a climbing wall for the school’s fundraiser. The equation y = 170x represents the total cost of

barxatty [35]

Answer:

Company A and B

Step-by-step explanation:

For company A- 170 is the cost for one hour

For company B- 170 is the cost for one hour

For company C- 175 is the cost for one hour

So company A and B offer the best deal since they both offer $170 per hour.

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2 years ago