3 years ago

For Number 6 and 7 It says You rewrite the expression this time

Mathematics

1 answer:

GarryVolchara [31]3 years ago

7 0

We can't help unless we know what to "rewrite"

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Write and solve a system of equations that represents each situation.

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(7+x)+x=15
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Jennifer paid $3.75 for 3 doughnuts. What is the unit price for the doughnuts?

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Answer:

Cost of one doughnut = $1.25

Step-by-step explanation:

Doughnut Cost

3 3.75

1 x

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4. A yellow cab Taxi charges $5.00 flat rate in addition of $0.65 per mile. Jan has no more than $20 to spend on a ride.

gogolik [260]

Answer:

$5+0.65x\le 20$

Step-by-step explanation:

Let x be the number of miles Jan can drive in a taxi.

The cost of this ride consists of

$5.00 flat rate
$.065 per mile

So, per x miles Jan will pay $0.65x and the total cost of the ride will be

$5.00+$0.65x

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$5+0.65x\le 20$

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How to do (4x10^3) + (4x10^4)?

Ivan

Solution:
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