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goldenfox [79]
3 years ago
9

What is -23 increaesd by 13

Mathematics
2 answers:
vekshin13 years ago
7 0
-23 + 13 = -10, you have to add -23 together with 13 to get the answer -10.
WINSTONCH [101]3 years ago
3 0
-10 because 23- 13 is 10 so -23+ 10 would be -10
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3 years ago
Mike drivers 110 miles in 4 hours . what his rate of changed? explain.
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The rate of change in this case is the speed of his car or how many miles he drives in one hour.

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n 5 years, Dad will be three times as old as his daughter Jill will be then. If the sum of their present ages is 50, how old are
lara31 [8.8K]

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3 years ago
A boy bought 3 cakes and 4 pies from a shop and received $7.50 change from $40. If he had bought 4 cakes and 3 pies from the sam
Neko [114]

Answer: the cost of a cake is $8.5

the cost of a pie is $1.75

Step-by-step explanation:

Let x = the cost of a cake

Let y = the cost of a pie

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3x + 4y = 32.5 - - - - - - - -1

If he had bought 4 cakes and 3 pies from the same shop, then he would have received $0.75. This means that the cost of the 4 cakes and 3 pies is 40-0.75 = $39.25. Therefore,

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Multiply equation 1 by 4 and equation 2 by 3. It becomes

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Subtracting ,

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5 0
3 years ago
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