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4 years ago

What is equivalent to the expression 9(z-6)

Mathematics

2 answers:

Liono4ka [1.6K]4 years ago

6 0

Using the distributive property an equivalent expression would be 9z-54

otez555 [7]4 years ago

6 0

9(z-6)
= (9×z) - (9×6)
= 9z -54

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A music store gives every 20th costumer a 5$ gift card.Every 50th customer gets a 10$ gift card. Which customer will be the firs

prisoha [69]

Answer:

100th customer is the first desired customer who received both the gift cards.

Step-by-step explanation:

$5 gift card is received by every 20th Customer.

⇒ The customers who receive this $5 card are:

20th Customer, 40th Customer , 60th Customer , 80th Customer, 100th Customer, 120th Customer .... and so on

Also, $10 gift card is received by every 50th Customer.

⇒ The customers who receive this $10 gift are:

50th Customer, 100th Customer , 150th Customer , 200th Customer ......

Among all the customers the 100th customer is the first customer who receives $5 gift card as well as the $10 gift card.

Hence, 100th customer is the first desired customer who received both the gift cards.

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3 years ago

Which expression is equivalent to |b| >2?

vovangra [49]

Answer:

The equivalent expression for |b| > 2 is {b : b < -2} ∪ {b : b > 2}.

Step-by-step explanation:

The expression |x| < a is equivalent to -a < x < a and the expression |x| > a is equivalent to {x : x < -a} ∪ {x : x > a}.

This means, the set of all points that satisfy the inequality |x| < a is the set of all points between -a and a exclusive of -a and a.

The set of all points that satisfy the inequality |x| > a is the set of all points that are less than -a and the set of all points that are greater than a.

Hence, the equivalent expression for |b| > 2 is {b : b < -2} ∪ {b : b > 2}.

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3 years ago

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Kipish [7]

Answer:

C. 49

Step-by-step explanation:

If 53 seconds was +3 that means 3 over 50. The next was -1 or one under the goal thus C. 49

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3 years ago

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KengaRu [80]

You can't, the K cancels itself out. There is no solution to this

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3 years ago

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