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Sever21 [200]
2 years ago
5

Simplify the expression -2v+15d

Mathematics
1 answer:
tino4ka555 [31]2 years ago
3 0

Answer:

isn't this already fully simplified?

Step-by-step explanation:

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For what values of a is the distance between P(a,3) and Q(5,2a) greater than √26
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4 years ago
4x+4y=32
Mnenie [13.5K]

The given system of equations 4x + 4y = 32 and 3x + 24 = 3y has only one solution

<u>Solution:</u>

Given, system of equations are:

4x + 4y = 32 ---- eqn (1)

3x + 24 = 3y ----- eqn (2)

We have to determine whether the system has one solution, no solution, or infinitely many solutions.

Now let us solve the given system of equations to determine.

Now, eqn (1) can be written as,

4(x + y) = 32

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x = 8 – y

So, substitute "x" value in eqn (2) to get the value of "y"

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24 – 3y + 24 = 3y  

48 = 3y + 3y  

y = 8  

Then, x = 8 – 8 = 0

Hence we got x = 0 and y = 8

Hence, the given system of equations has only one solution (x, y) = (0, 8)

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Store A selps a 5 pound chicken for 12.95 Store B sells a 3 pound chicken for 7.50 what is the cost per pound and which store ha
ankoles [38]

Answer: Store B


Step-by-step explanation: Divide the price by the pound. That gets your price per pound. So, 12.95÷5=2.59

7.50÷3=2.50


Store B has the better deal because their chicken is 9¢ cheaper per pound.


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