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olga55 [171]
3 years ago
11

Tanya opened a savings account with a deposit of 550.she deposited 450 and withdrew 120.

Mathematics
1 answer:
Rasek [7]3 years ago
5 0
550+450-120+720=1,600
720/1,600*100%
=720/160%
=45%
therefore, 45% of new balance
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Jamal simplified ...
brilliants [131]
\bf \sqrt{75x^5y^8}\qquad 
\begin{cases}
75=3\cdot 25\\
\qquad 3\cdot 5^2\\
x^5=x^{4+1}\\
\qquad x^4x^1\\
\qquad (x^2)^2x\\
y^8=y^{4\cdot 2}\\
\qquad (y^4)^2
\end{cases}\implies \sqrt{3\cdot 5^2\cdot (x^2)^2x(y^4)^2}
\\\\\\
5x^2y^4\sqrt{3x}
4 0
3 years ago
Y=x+3over 8 proportional or nonproportional
Inessa [10]

Answer:

nonproportional

Step-by-step explanation:

x + 3

------- is definitely nonproportional.  The reason for this is that the graph (a

   8                                                      straight line) does not pass through the                          

                                                            origin; it's offset by 3/8 unit up from the          

                                                             origin.

6 0
3 years ago
-x²-8x-16=0 <br>what is the solutions by solving by quadratic equations ​
Alika [10]

Answer:

x = - 4

Step-by-step explanation:

Given

- x² - 8x - 16 = 0 ( multiply through by - 1 to clear the leading negative )

x² + 8x + 16 = 0 ← this is a perfect square

(x + 4)² = 0 ( take the square root of both sides )

x + 4 = 0 ( subtract 4 from both sides )

x = - 4

6 0
3 years ago
How many divisors of 63 are also divisors of 72? (Recall that divisors may be positive or negative.)
frutty [35]

1, 3, 9 and -1, -3, and -9 i guess

hope this helps

8 0
3 years ago
Please helpppppppppp<br> include step by step
balandron [24]

Answer:

507

Step-by-step explanation:

As they said, I will be using 3 as pi.

3 (pi) * (\frac{26}{2})^2 (radius squared)

Without annotations: 3*\frac{26}{2}^2

3*\frac{26}{2}^2

3*13^2; 13*13=169

3*169

507



5 0
2 years ago
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