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Naily [24]
2 years ago
10

MAP TESTING HELP

Mathematics
1 answer:
GREYUIT [131]2 years ago
7 0

Answer:

E is the answer

Step-by-step explanation:

hope it is helpful

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I need help on this question
Pavel [41]

4.2% means 0.042 .

4.2% more than some amount is 1.042 of it.

Interest compounded annually means that a year after you deposit some money
into your bank account, the bank looks to see how much of your money has been
there for a year, and they add  4.2%  of that into your account.  Another way to
look at it is that they change the balance in your account, from the amount it was
a year ago, to  1.042  of that amount. That's right. They just <u>give</u> you free money !

Why that's so good is:  Now the new amount in your account is  1.042  of
the amount you originally deposited, and after another year, they'll give you
another  4.2%  of <em><u>that</u></em> larger amount. Then you'll have  (1.042)² = about  <em><u>
8.6% more</u></em><em /> than your original deposit, 2 years earlier.

At the end of any number of years ... call it 't' years ... the amount in your
account is the amount you deposited, multiplied by  (1.042)^'t' power.

If you just put some money into this particular bank, and forget about it
and never touch it, you'll have <em><u>double</u></em> the amount in 17 years.

Now we can go and take care of Rhonda.

She put $3000 into a new account at the the bank, and then she forgot
about it and never touched it. How much is in that account after 't' years ?
The amount that's in that account at any time is called the 'balance'.
How much is it after 't' years ?

         <em>  Balance = 3,000 (1.042)^'t' power .</em>


5 0
3 years ago
which qaudratic equation is equivalent to (x+2)^2+5(x+2)-6=0 a. (u+2)^2+5(u+2)-6=0 where u=(x-2) b. u^2+4+5u-6=0 where u= (x-2)
Lisa [10]

Answer:

D

Step-by-step explanation:

Given

(x + 2)² + 5(x + 2) - 6 = 0

Using the substitution u = x + 2 , then the equation can be expressed as

u² + 5u - 6 = 0 → D

5 0
3 years ago
The graph below plots a function f(x):
Afina-wow [57]
The average rate of change of a linear function is the slope of the line. Since we are given the following coordinates:
(0,150) and (3,0)
We can easily solve for the slope.
m = (y2 - y1) / (x2 - x1)
m = (0 - 150) / (3 - 0) = -50

Therefore, the average rate of change of the function in the three seconds is -50.
7 0
3 years ago
Read 2 more answers
Elmer walked 5.4 miles every day. How far did he walk in 11 days?
AURORKA [14]

Answer:

59.4

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
If p(x)=2x^2-4x and q(x)=x-3 what is (p*q)(x)
Tanya [424]

Answer: 2x³-10x²+12x or 2x(x²-5x+6)

Step-by-step explanation:

(p*q)(x) means p(x) and q(x) multiplied together.

(2x²-4x)(x-3)

2x³-6x²-4x²+12x

2x³-10x²+12x

You can also factor this by taking out a 2x.

2x(x²-5x+6)

4 0
2 years ago
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