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dexar [7]
3 years ago
5

1. Find the value of k if x = 3 and y = 2 is a solution of the

Mathematics
1 answer:
Anit [1.1K]3 years ago
3 0
I think it’s 15 sorry if I’m wrong
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The sum of two numbers is 18 the sum of greater numbers and twice the smaller numbers is 25 the numbers
Gnoma [55]

Answer:

  the numbers are 7 and 11

Step-by-step explanation:

If you add the smaller to the sum of numbers, you have the sum of the greater and twice the smaller. That is ...

  18 + smaller = 25

  smaller = 25 -18 = 7

  larger = 18 -7 = 11

The two numbers are 7 and 11.

_____

If you like, you can write two equations. Let x and y represent the smaller and larger numbers, respectively.

  x + y = 18

  2x + y = 25

Subtract the first equation from the second:

  (2x +y) -(x +y) = (25) -(18)

  x = 7

  y = 18-x = 18-7 = 11

The numbers are 7 and 11.

7 0
4 years ago
A baby's t-shirt requires 5/8 yards of fabric. How many t-shirts can be made from 70 yards?
Zielflug [23.3K]
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3 years ago
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This is probability can someone please give me an answer
Shkiper50 [21]

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Step-by-step explanation:

3 0
2 years ago
Is y = 3x+4 and y=3x-5 parallel, perpendicular or neither?
sineoko [7]

Answer: These Lines are <em>Parallel</em>

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7 0
3 years ago
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How much should you put in an investment paying a simple interest rate of​ 5% if you needed​ $4000 in eighteen​ mont
Eddi Din [679]

now, there are 12 months in a year, so 18 months is really 18/12 of a year, thus

~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\dotfill & \$4000\\ P=\textit{original amount deposited}\\ r=rate\to 5\%\to \frac{5}{100}\dotfill &0.05\\ t=years\to \frac{18}{12}\dotfill &\frac{3}{2} \end{cases} \\\\\\ 4000=P[1+(0.05)(\frac{3}{2})]\implies 4000=P(1.075) \\\\\\ \cfrac{4000}{1.075}=P\implies 3720.93\approx P

6 0
2 years ago
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