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UkoKoshka [18]
4 years ago
12

Lossa

Mathematics
1 answer:
kupik [55]4 years ago
6 0

Answer:

P= 28.28 m

diagonal (d) 10m

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The public debt of Apexico is 4,628,599,173,971,366 Apex dollars, while its
Ivanshal [37]

The public debt of Apexico is 4,628,599,173,971,366 Apex dollars, while its

gross domestic product (GDP) is 15,274,449,110,385,172 Apex dollars. What

is Apexico's debt-to-GDP ratio?

Answer: 30%

3 0
3 years ago
From 1997 - 2001 the number n (in millions) of black-and-white TV S sold in the U.S. Can be modeled by n = 26.8 * (0.85) ^ t whe
Alexandra [31]

Question

a) What is the decay factor?

b) What is the percent decrease?

c) Estimate the number of black and white TV's  sold in 1999.

Answer:

a. Decay factor = 0.85

b. Percent decrease = 15%

c. 19.363  million TVs were sold

Step-by-step explanation:

Given

n = 26.8(0.85)^t

Solving (a): The decay factor

An exponential function has the form

y = ab^x

Where b is:

b = decay\ factor\ or\ growth\ factor

By comparison:

b = 0.85

Solving (b): Percentage decrease:

Percentage decrease P is calculated as follows:

P = 1 - b

Substitute 0.85 for b

P = 1 - 0.85

P = 0.15

Convert to percentage

P = 0.15*100\%

P = 15\%

Solving (c): TVs sold in 1999

First, we need to determine the value of t for 1999

In 1997, t= 0

In 1998, t= 1

In 1999, t= 2

So, we substitute 2 for t in: n = 26.8(0.85)^t

n = 26.8(0.85)^2

n = 26.8*0.7225

n = 19.363

4 0
3 years ago
Reagan has a savings account that earns 1.87% interest, compounded quarterly. If she needs $20,857 for a down payment on a house
MatroZZZ [7]
To solve this, we are going to use the compounded interest formula: A=P(1+ \frac{r}{n} )^{nt}
where 
A is the final amount after t years
P is the initial investment 
r is the interest rate in decimal form 
n is the number of times the interest is compounded per year
t is the time in years

We know from our problems that she needs $20,857 for a down payment on a house in 9 years, so A=20857 and t=9. To convert the interest rate to decimal form, we are going to divide the rate by 100%
r= \frac{1.87}{100} =0.0187
Since the interest is compounded quarterly, it is compounded 4 times per year; therefore, n=4. 
Lets replace the values in our formula to find P:
A=P(1+ \frac{r}{n} )^{nt}
20857=P(1+ \frac{0.0187}{4} )^{(4)(9)}
P= \frac{20857}{(1+ \frac{0.0187}{4} )^{(4)(9)}}
P= \frac{20857}{(1+ \frac{0.0187}{4} )^{36}}
P=17633.17

We can conclude that the correct answer is: <span>B. 17,633.17</span>
7 0
4 years ago
Jonathan measured 2 cups of flour into a bowl on the counter. Then he spilled part of it, and now there is only 3/8 cup left. Ho
sveticcg [70]
He spilled 1 and 5/8 cups because 2-3/8= 1 5/8. To check that, use 1 5/8+ 3/8= 2 cups.
7 0
3 years ago
If 5 students had to share 7 brownies, how much would each student get?
Furkat [3]
It would be 35 because 7x5 equals 35
7 0
3 years ago
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