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Sonja [21]
3 years ago
6

Four people each invested $450 in an account that earns simple interest assuming no other deposit or withdrawal were made witch

investment earned more then $50
Mathematics
1 answer:
lina2011 [118]3 years ago
8 0

Answer: $250

Step-by-step explanation: Step 1: Multiply $50 by 4 Step 2: Subtract $450 by $250 Step 3: Then you get $200 leftover

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Find the third term in the expansion of (a+b)^9 in the simplest form
forsale [732]

Answer:

The\ third\ term\ is\ \boxed{36a^7b^2}\\

Step-by-step explanation:

\left(\begin{array}{c}9\\ 1\end{array}\right)=\dfrac{9}{1} =9\\\\\left(\begin{array}{c}9\\ 2\end{array}\right)=\dfrac{9*8}{2*1} =36\\\\\\(a+b)^9=a^9+\left(\begin{array}{c}9\\ 1\end{array}\right)a^8b+\left(\begin{array}{c}9\\ 2\end{array}\right)a^7b^2+....+b^9\\\\\\The\ third\ term\ is\ \boxed{36a^7b^2}\\

6 0
2 years ago
How many halves are in 3/2
andrezito [222]

Answer:

3 halves are in 3/2.

Step-by-step explanation:

The numerator says that there are 3 pieces, and the denominator says the pieces are halves. Therefore, there are three halves.

I hope this helps.

7 0
2 years ago
A pyramid has a square base that is 14 centimeters on each side. the slant height is 15 centimeters. what is the surface area of
Aleks04 [339]
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6 0
3 years ago
The graph of y2+3x=0 is symmetric with respect to which axis?
natta225 [31]

Answer:

The graph of y2+3x=0 is symmetric with respect to the x-axis

Step-by-step explanation:

To establish symmetry with respect to the x-axis we simply substitute -y in place of y in the original equation. If the resulting equation is identical to the original one then the function is said to be symmetric with respect to the x-axis.

In this case we have;

y^{2} +3x=0\\(-y)^{2} +3x=0\\y^{2} +3x=0

Which is identical to the original equation

3 0
3 years ago
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In class 9A the ratio of boys to girls is 3:4. if there are 12 boys,how many girls are there?​
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16 girls. 12 divided by 4 is 3, so this means that you have to take 4 and multiply it by 4 which equals to 16.

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3 years ago
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