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TEA [102]
3 years ago
6

If you deposit 1000 in a savings account with an intrest rate of r compounded annually then the balance in the account after 3 y

ears is given by the function b(c)=1000(1+r) where is r written as a decimal?
Mathematics
1 answer:
deff fn [24]3 years ago
7 0

Answer:

3.23%

Step-by-step explanation:

The rate is acquired from 1100 = (1+r)^3 *1000. then r is equal to 3.23%.

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The price of an item yesterday was $140. Today, the price fell to $63. Find the percentage decrease.
Anna35 [415]

Answer:

55% decrease

Step-by-step explanation:

To find the percent decrease

Take the original price and subtract the new price

140-63 =77

Divide by the original price

77/140

.55

Multiply by 100 to get the percent

.55*100 = 55%

55% decrease since the price got lower

4 0
3 years ago
Read 2 more answers
The coordinates of points M,N, and P are ....
Rainbow [258]

Answer:

(-1, -1) Let me know if the explanation didn't make sense.  

Step-by-step explanation:

If we graph the three points we can see what looks like a quadrilateral's upper right portion, so we need a point in the lower left.  This means M is only connected to N here and P is only connected to N.  So we want to find the slope of these two lines.

MN is easy since their y values are the same, the slope is 0.

NP we just use the slope formula so (y2-y1)/(x2-x1) = (-1-3)/(5-4) = -4.

So now we want a line from point M with a slope of -4 to intersect with a line from point P with a slope of 0.  To find these lines  weuse point slope form  for those two points.  The formula for point slope form is y - y1 = m(x-x1)

y-3 = -4(x+2) -> y = -4x-5

y+1 = 0(x-5) -> y = -1

So now we want these two to intersect.  We just set them equal to each other.

-1 = -4x -5 -> -1 = x

So this gives us our x value.  Now we can plug that into either function to find the y value.  This is super easy of we use y = -1 because all y values in this are -1, so the point Q is (-1, -1)

8 0
3 years ago
A health clinic has 3 1/2 quarts and 1 gallon of antiseptic wash in inventory.How many fluid ounces of antiseptic wash do they h
mylen [45]
<span>1 gallon is 128 fluid ounces;
4 quarts make 1 gallon. 

Change the mixed unit volume of antiseptic to just one unit. Which you choose is your choice.

((3 1/2) -4)) </span>quarts = ((7/2)+4)) quarts = (7+8/2) quarts = (15/2) quarts
<span>
15/2 quarts = 240 fluid ounces</span>
5 0
3 years ago
Read 2 more answers
Which value can be added to the set below without changing its mean?
Ipatiy [6.2K]
The answer you are looking for is B. 15
6 0
3 years ago
Read 2 more answers
Question17................
adelina 88 [10]
Galaxy B has more stars. When expanded, Galaxy A has 50,000,000 stars, while Galaxy B has 20,000,000,000 stars. Galaxy A has 2.5*10⁻³ times as many stars as Galaxy B. Galaxy B has 4*10² times as many stars as Galaxy A.
6 0
3 years ago
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