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3 years ago

A store buys necklaces wholesale

Mathematics

1 answer:

Nitella [24]3 years ago

4 0

Answer:

Step-by-step explanation:

If the mark up is 75% then the price of a necklace is 56.7

the least they want to profit is 500

so the answer should be at least 9, because the price is over 55, which would be 550 if multiplied by 10

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M={2,3,4,6,7} D={2,4,6} intersection of M and D. union of M and D

SCORPION-xisa [38]

Answer:

M ∪ D= { 2, 3, 4 , 6 , 7}

M ∩ D= { 2, 4 , 6}

Step-by-step explanation:

UNION OF SETS : The union of two sets P and Q is the set of elements which belong in A or in B or in both.

Here, M = {2,3,4,6,7} D = {2,4,6}

⇒ M ∪ D= { 2, 3, 4 , 6 , 7}

INTERSECTION OF SETS : The intersection of two sets P and Q is the set of elements which belong in A and B both.

Here, M = {2,3,4,6,7} D = {2,4,6}

⇒ M ∩ D= { 2, 4 , 6}

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3 years ago

How can you predict whether the sum of two integers is 0, positive, or negative?

zepelin [54]

Answer:

See explanation:

Step-by-step explanation:

Let a and b be integers.

Sum means addition.

So we are trying to figure out what a+b equals.

It could result in as 0, negative, or positive.

a+b is 0 when a and b are of opposite values. Example: 5+(-5) or -5+5 is 0 because 5 and -5 are opposite values.

a+b is positive when both a and b are positive. Example 5+3=5.

a+b is positive when |a|>|b| and a is positive. Example: 5+(-3)=2 since |5|>|-3| and 5 is positive.

a+b is positive when |a|<|b| and b is positive. Example: -3+5=2 since |-3|<|5| and 5 is positive.

a+b is negative when both a and b are negative. Example: -5+(-3)=-8.

a+b is negative when |a|>|b| and a is negative. Example: -5+3=-2 since |-5|>|3| and -5 is negative.

a+b is negative when |a|<|b| and b is negative. Example: 3+(-5)=-2 since |3|<|-5| and -5 is negative.

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3 years ago

Write the following expression in standard notation.

Liula [17]

It is the last one 21,400,000,000

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3 years ago

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Kevin won to gold fish a the county fair he put them in a bowl that hold 2 liters of water the next day he put them in a bowl th

zlopas [31]

Thats cool but where question

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3 years ago

you have at most $20.25 to spend at a store. Shirts cost $11.50 each, and pants cost $16 each. Let s be numbers of shirts and p

Readme [11.4K]

is this an algebra class? if so it just

11.50x + 16y = 20.25

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3 years ago