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motikmotik
3 years ago
5

3.7 pounds of meat costs $20.35. What is the price per pound?​

Mathematics
1 answer:
Zepler [3.9K]3 years ago
3 0

Answer:

$5.5 per pound of meat

Step-by-step explanation:

$20.35 ÷ 3.7 = $5.50

Hope this is helpful

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Find the intersection points using substitution or elimination for each system of equations:
natka813 [3]

Answer:

Step-by-step explanation:

Okay, so I think I know what the equations are, but I might have misinterpreted them because of the syntax- I think when you ask a question you can use the symbols tool to input it in a more clear way, otherwise you can use parentheses and such.

Problem 1:

(x²)/4 +y²= 1

y= x+1

*substitute for y*

Now we have a one-variable equation we can solve-

x²/4 + (x+1)² = 1

x²/4 + (x+1)(x+1)= 1

x²/4 + x²+2x+1= 1

*subtract 1 from both sides to set equal to 0*

x²/4 +x^2+2x=0

x²/4 can also be 1/4 * x²

1/4 * x² +1*x² +2x = 0

*combine like terms*

5/4 * x^2+2x+ 0 =0

now, you can use the quadratic equation to solve for x

a= 5/4

b= 2

c=0

the syntax on this will be rough, but I'll do my best...

x= (-b ± √(b²-4ac))/(2a)

x= (-2 ±√(2²-4*(5/4)*(0))/(2*(5/4))

x= (-2 ±√(4-0))/(2.5)

x= (-2±2)/2.5

x will have 2 answers because of ±

x= 0 or x= 1.6

now plug that back into one of the equations and solve.

y= 0+1 = 1

y= 1.6+1= 2.6

Hopefully this explanation was enough to help you solve problem 2.

Problem 2:

x² + y² -16y +39= 0

y²- x² -9= 0

6 0
3 years ago
Suppose the z value for a number is –1.50. this means the number is
slega [8]
... 1.5 standard deviations below the mean.
3 0
3 years ago
The percent of Tom winning a game is 20%, he played 30 games. How mang games did he lose?​
Korvikt [17]

Answer:

He won 6 games and lost 24 games.

5 0
3 years ago
9(5x) need help asap​
dexar [7]

Answer:

45x happy to help ya :)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Help please i only have 3 min to finish
Romashka [77]

Answer: <u><em>I think that the answer should be 2.4</em></u>

<u><em /></u>

Step-by-step explanation: <em><u>The reason why is because they did 2 the 2.2 so their going up by twos I belive making the answer 2.4.</u></em>

3 0
3 years ago
Read 2 more answers
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