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borishaifa [10]
3 years ago
5

Which property is demonstrated by this equation -7+7=0​

Mathematics
1 answer:
hram777 [196]3 years ago
6 0

um....wut? What are you asking?

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Steven wishes to save for his retirement by depositing $2,000 at the beginning of each year for thirty years. Exactly one year a
Ad libitum [116K]

Step-by-step explanation:

i = interest 3% for 30 years

This is a simple dynamical system for whom the the solutions are given as

S=R[\frac{(i+1)^n-1}{i}](i+1)

putting values we get

S=2000[\frac{(1.03)^{30}-1}{0.03}](1.03)

= $98005.35

withdrawal of money takes place from one year after last payment

To determine the result we use the present value formula of an annuity date

P = R\frac{1-(1+i)^{-n}}{i}{i+1}

we need to calculate R so putting the values and solving for R we get

R= $6542.2356

8 0
3 years ago
Your class has 26 students, which represents 5% of your school's enrollment. Your friend uses the proportion 5/100 =n/26 to find
dedylja [7]
26 is a part of the whole. the proportion should be set up:

(26/x) = (5/100) It's the overall enrollment that is being asked.

If you also need to solve: Cross multiply, 26(100) = 5x, 2600 = 5x, divide both sides by 5, 520 is the enrollment
7 0
3 years ago
Find the area of this figure.
umka2103 [35]
Rectangle

l = 7.2 - 1.7 = 5.5 ft            b = 3.4 ft

Semicircle

r = 1.7 ft

Shaded region = area of rectangle + area of semicircle

= l x b + πr²/2

= 5.5 x 3.4 + 3.14 x 1.7 x 1.7 x 1/2

= 18.7 + 4.5373

= 23.2373 ft²
6 0
3 years ago
The graph of g(x)=(0.75)x+2 is shown.
Andrei [34K]

we are given

f(x)=(0.75)^x+2

For finding asymptote , we can find limit

\lim_{x \to \infty} f(x)= \lim_{x \to \infty}((0.75)^x+2)

\lim_{x \to \infty} f(x)= \lim_{x \to \infty} (0.75)^x+\lim_{x \to \infty} 2)

now, we can solve it

\lim_{x \to \infty} f(x)= 0+2

\lim_{x \to \infty} f(x)= 2

so, horizontal asymptote is

y= 2.............Answer

6 0
3 years ago
Determine if the following conditional statement is true or false,
Marat540 [252]

Answer:AlF3

Step-by-step explanation:

6 0
3 years ago
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