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Norma-Jean [14]
3 years ago
7

Simplify (9 ^ 2)/(9 ^ 7) PLS HELP!!!! WILL MARK BRAINLIEST!

Mathematics
1 answer:
Gre4nikov [31]3 years ago
5 0

Answer:

1/9^5

Step-by-step explanation:

Yeah you're correct, 9^2/9^7 = 1/9^(7-2).

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Find the area of the triangle using Pythagorean theorem
Furkat [3]

Answer:

48

Step-by-step explanation:

Remark

Use a^2 + b^2 = c^2 to solve for the height.

Givens

c = 10

b = 6

h = ?

Solution

b^2 + h^2 = c^2

6^2 + h^2 = 10^2

36 + h^2 = 100            Subtract 36

h^2 = 100 - 36

h^2 = 64                      Take the square root of both sides

sqrt(h^2) = sqrt(64)

h = 8

The height = 8

Area = 1/2 * b * h

Area = 1/2 *12 * 8

Area = 48

Comment

You might wonder where the 12 came from. It wasn't given The base is the whole line across the bottom. 1/2 of it is six. The whole base = 12

6 0
3 years ago
Create an exponential to describe $100 at 2% interest compounded annually for x years
zysi [14]

Answer:

A=100(1.02)^{x}                  

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=x\ years\\ P=\$100\\ r=2\%=2/100=0.02\\n=1  

substitute in the formula above

A=100(1+\frac{0.02}{1})^{1*x}  

A=100(1.02)^{x}  

8 0
4 years ago
explain whether the graph represents a function? make sure to explain, I need this by 9:00 and I'll mark brainliest:)​
san4es73 [151]

Answer:

This is not a function

Step-by-step explanation:

It does not pass the vertical line test

4 0
3 years ago
The table below represents the distance of a car from its destination as a function of time: Time (hours) x Distance (miles) y 0
strojnjashka [21]
Part A you can figure out that the car is traveling at 50 miles an hour because after every hour the distance decreases by 50

 b the average change is 100 miles for every 2 hours, which can be simplified back to 50mph which represents the speed of the car

part C {y=-50x+900| (0,900),...(18,0)
6 0
4 years ago
What's the sum of 14 and a number is equal to 17
horrorfan [7]
N - the number

14 + n = 17    |subtract 14 from both sides

n = 3
7 0
3 years ago
Read 2 more answers
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