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love history [14]
2 years ago
13

1. Determine if the lengths 9 cm, 13 cm, and 23 cm can form a triangle.

Mathematics
1 answer:
laila [671]2 years ago
6 0
A tell me out of 9 13 23
What is the smallest number or the number closest to 0
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The center of an ice rink is located at (0, 0) on a coordinate system measured in feet. sandi skates along a path that can be mo
WARRIOR [948]

The answers to the question are are the equations

y = 0.08x²-1.6x+13

y = 0.08(x-10)²+5

<h3>How to solve for the system of equations</h3>

David starts at (20, 13) and skates along a path that can be modeled by a quadratic function with a vertex at (10, 5).

Vertex form of quadratic function is

y = a(x-h)^2+k

13 = a(x-10)²+5

let x = 20

a(20-10)²+5

13 = 100a + 5

take like terms

13 - 5 = 100a

8 = 100a

divide through by 100

a = 0.08

hence the equation would be

y = 0.08(x-10)²+5

Read more on equations here:

brainly.com/question/9621134

#SPJ1

5 0
1 year ago
MARKING AS BRAINLIEST!! Starr if given functions are inverse)!
Kitty [74]

Answer: They are inverses of each other

==========================================================

Explanation:

We'll need to compute h(f(x)) and f(h(x)) to see if we get x each time.

h(x) = 9x-4\\\\h(f(x)) = 9(f(x))-4\\\\h(f(x)) = 9\left(\frac{x+4}{9}\right)-4\\\\h(f(x)) = x+4-4\\\\h(f(x)) = x\\\\

and,

f(x) = \frac{x+4}{9}\\\\f(h(x)) = \frac{h(x)+4}{9}\\\\f(h(x)) = \frac{9x-4+4}{9}\\\\f(h(x)) = \frac{9x}{9}\\\\f(h(x)) = x\\\\

Both composite functions lead to x each time.

The equations h(f(x)) = x and f(h(x)) = x being true means each function is the inverse of the other.

5 0
2 years ago
Read 2 more answers
Kelly's new snowboard is 120% longer than her old snowboard. If the new snowboard is 150 cm, how long is her old snowboard?
BabaBlast [244]
12.5 is the correct answer
6 0
3 years ago
What is the answer to 2(x+2)-3x &gt;-1 ?
kifflom [539]
2x+4-3x>-1

-x+4>-1

-x>-1-4

-x>-5

X<-5/-1

Hence x<5
3 0
2 years ago
Read 2 more answers
A triangle has a perimeter of 77 inches. What are the side lengths of a, b, and c?
Yuki888 [10]

Answer:

I believe this is pathgorean theorem, which I did at the beginning of alegbra last year. It is basically finding the missing side of a triangle. (Trust me some of the easiest stuff you do all year) Below are my notes from last year. I hope it helps! Good Luck!!!

Step-by-step explanation:

Given two sides

If you know two other sides of the right triangle, it's the easiest option; all you need to do is apply the Pythagorean theorem:

a² + b² = c²

if leg a is the missing side, then transform the equation to the form when a is on one side, and take a square root:

a = √(c² - b²)  

if leg b is unknown, then

b = √(c² - a²)  

for hypotenuse c missing, the formula is

c = √(a² + b²)

6 0
3 years ago
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