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makkiz [27]
3 years ago
10

If x+5z=10, then x=10-5z is what math property

Mathematics
1 answer:
kotegsom [21]3 years ago
8 0

9514 1404 393

Answer:

  subtraction property of equality

Step-by-step explanation:

The second equation is arrived at by subtracting 5z from both sides of the first equation. The property that lets you do that without changing the values of the variable is ...

  the subtraction property of equality

__

  x +5z = 10

  x +5z -5z = 10 -5z . . . . subtract 5z from both sides

  x = 10 -5z . . . . . simplify

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$4750 invested at 10% p.a compounded semiannually for 10 years, calculate the interest
alexgriva [62]
<h3>Answer:  $7,853.16</h3>

Work Shown:

A = P*(1+r/n)^(n*t)

A = 4750*(1+0.10/2)^(2*10)

A = 12,603.164099436

A = 12,603.16

That represents the account balance after 10 years. To find the interest only, subtract off the deposit amount.

interest = A-P = 12,603.16 - 4,750 = 7,853.16

6 0
2 years ago
Helppppppppppppppppppp helppppppppppppp
Annette [7]
<h2>•5×7^2</h2>

<em>HOPE</em><em> </em><em>ITS</em><em> </em><em>HELPFUL</em><em> </em>^_^

<h2>•RHONA</h2>

3 0
3 years ago
F(x) = 2x2 – 15<br> Find f(-2)
bogdanovich [222]
Wherever you see an x, replace it with -2,
So f(-2) = 2(-2^2) -15
= (2x4)-15
= -7
8 0
3 years ago
Type the correct answer in the box. Use numerals instead of words. The height of a baseball, in feet, is represented by this exp
Rudiy27

Answer:

31 feet.

Step-by-step explanation:

It is mentioned in the question that

Height of baseball expressed in feet

T = time in seconds

Also

h=  -16t^2+64t+3

Now the time is 3.5 so put this value to the above equation

h = -16(3.5)^2 + 64(3.5) + 3

= -16(2.25) + 224 + 3

= -196 + 227

= 31

Therefore the height of a baseball is 31 feet and the same is to be considered

7 0
3 years ago
Jane receive a $80 gift card for a coffee store .She used it and buying some coffee that cost $7.82 per pound after buying a cof
HACTEHA [7]

Answer:

she bought 6 pounds of coffee

Step-by-step explanation:

80 minus 33.08=46.92

46.92÷7.82=6

so the answer is 6

6 0
3 years ago
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