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Nesterboy [21]
3 years ago
12

Please help ! It's timed!

Mathematics
1 answer:
Sphinxa [80]3 years ago
8 0

Answer:

The answer to your first question is A You can find slope through the equation Change in Y over change in x. and find the y intercept by using the growth rate and multiplying or dividing it by the x coordinate until the Y value hits 0,  

Step-by-step explanation: If you dont feel like doing the work copy and paste the equations into desmos graphing calculator and it will tell you everything

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Maria received a $90 gift card for a coffee store. She used in buying some coffee that costs $7.81 per pound. After buying the c
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Answer:

Im not sure but im going to try

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First you subtract $7.81 from $90 until you get to $50.95 and then you count how many times you subtract and your answer is 5 pounds of coffee.

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Is 7/20 equal to 0.07
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4 years ago
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For a diamond problem what two numbers' sums equal 31 and their product is 234?
s344n2d4d5 [400]

Let

x-------> the first number

y------> the second number


we know that

x+y=31

x=31-y

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x*y=234

equation 2


substitute equation 1 in equation 2

(31-y)*y=234\\ 31y-y^{2} =234\\ -y^{2} +31y-234=0



using a graph tool-----> to resolve the second order equation

see the attached figure


the solution is

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8 0
3 years ago
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sattari [20]

Answer:

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