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Ksju [112]
3 years ago
10

3(r-7s) expand the expression

Mathematics
1 answer:
Ad libitum [116K]3 years ago
5 0

Answer:

3( r - 7s)

= 3r - 21s

Step-by-step explanation:

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Mary is five times older than Julian. If the<br> sum of their ages is 42, how old is Mary?
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Answer:

35

Step-by-step explanation:

M=5J

J=M/5

42=6J

42/6=7

Jullian is 7

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4 0
3 years ago
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I’m hoping you are talking about:
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Find the value of x. Round to the nearest tenth. Help please!!!
jasenka [17]

Answer:

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Step-by-step explanation:

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A TV has a listed price of $ 682.98 before tax. If the sales tax rate is 6.25% , find the total cost of the TV with sales tax in
Drupady [299]

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725.7

Step-by-step explanation:

you multiply 682.98 x 6.25% and get 42.68625

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6 0
3 years ago
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kifflom [539]

Answer:

The  final price of the smart phone if you use the store credit card is $339.5

Step-by-step explanation:

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total discount of the smart phone if you use the store credit card

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