3 years ago

2 mixed numbers between 3 and 4 that have a product between 9 and 10

Mathematics

1 answer:

Pavel [41]3 years ago

3 0

2 4
3 4 4 5 9 10 10 8

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What is the value of y in the equation 5x+2y=20, when x=0.3

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Julio and David were in Target and decided to check out the clearance section. They found pencils and erasers that were on sale

Sati [7]

Answer:

Cost of one pencil: $\$0.07$

Cost of one eraser: $\$0.03$

Step-by-step explanation:

Let be "p" the cost in dollars of one pencil and "e" the cost in dollars of one eraser.

Based on the information given in the exercise, you can set up the following system of equations:

$\left \{ {{4p+3e=0.37} \atop {3p+4e=0.33 }} \right.$

You can use the Elimination Method to solve the system of equations.

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{ $\left \{ {{-12p-9e=-1.11} \atop {12p+16e=1.32}} \right.\\..........................\\7e=0.21\\\\e=0.03$

Substitute the value of "e" into any original equation and solve for "p":

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2 years ago

Evaluate <br><br> 2r(t + 7) if r = 4 and t = 2.

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3 years ago

Mrrafil [7]

Answer:

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Step-by-step explanation:

52×63=3276

Round 3276 to 3280

Hope this helps! :)

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fgiga [73]

Answer:

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Step-by-step explanation:

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