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HACTEHA [7]
3 years ago
11

What is the value of this expression when a = 3 and b = negative 2? (StartFraction 3 a Superscript negative 2 Baseline b Supersc

ript 6 Baseline Over 2 a Superscript negative 1 Baseline b Superscript 5 Baseline EndFraction) squared
Mathematics
2 answers:
Vlad [161]3 years ago
8 1

Answer:

The answer is NOT 625 that answer is to this question: What is the value of (Negative 5) Superscript 4?  that equals 625

The actual answer is: -27

Step-by-step explanation:

9*-2 is 81 and 6*-1 is -6 and we put 81 over -6 and we divide that and get -13.5 then we do -2*6 and we get -64 and then we have -2*5 and that equals -32, we then get 2 after we divide those two numbers. after that we times -13.5 by 2 and we get -27.

I just did this and i will see if it works thanks. :)

erastova [34]3 years ago
4 0

Answer:

625

Step-by-step explanation:

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3 years ago
Molly opened a savings account with a one‐time deposit of $100 that will be left in the account for at least 5 years. The saving
Anettt [7]

The amount of interest Molly will earn after 5 years on a deposit of \$100 compounded annually over 5 years is \$27.63

First, we need to find the future value of her investment, then we subtract the original deposit from it to get the amount of interest she will get at the end of 5 years.

The future value of an investment that is compounded annually is given by

A=P(1+r)^t

where

A=\text{Amount of money in Molly's account after 5 years}\\P=\text{Molly's initial deposit into her account}=\$500\\r=\text{The annual interest rate as a decimal}=0.05\\t=\text{The time the money is invested (in years)}=5

Substituting the available values into the formula and solving

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The interest Molly will earn after 5 years is

A-P=\$127.63-\$100=\$27.63

Therefore, the amount of interest Molly will earn after 5 years on a deposit of \$100 compounded annually over 5 years is \$27.63

Learn more about compound interest here: brainly.com/question/21270833

8 0
2 years ago
A cone has a base area of 8 cm^2 and a height of 3.8 cm. What is the volume of the cone?
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3 0
3 years ago
Which points are the verticles of the ellipse? Equations of ellipse
Mashutka [201]

Answer:

This question is solved in detail below. Please refer to the attachment for better understanding of an Ellipse.

Step-by-step explanation:

In this question, there is a spelling mistake. This is vertices not verticles.

So, I have attached a diagram of an ellipse in which it is clearly mentioned where are the vertices of an ellipse.

Vertices of an Ellipse: There are two axes in any ellipse, one is called major axis and other is called minor axis. Where, minor is the shorter axis and major axis is the longer one. The places or points where major axis and minor axis ends are called the vertices of an ellipse. Please refer to the attachment for further clarification.

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\frac{x^{2} }{a^{2} }  + \frac{y^{2} }{b^{2} } = 1

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\frac{x^{2} }{b^{2} } + \frac{y^{2} }{a^{2} }  = 1

This is the case when major axis the longer one is on the y-axis centered at an origin.

where major axis length = 2a

and minor axis length = 2b

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A bag contains 30 red and blue marbles identical in size. Jason randomly selected 1 marble, recorded its color, and replaced it.
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i think <span>The bag contains 18 red marbles and 12 blue marbles.</span>
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