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zlopas [31]
3 years ago
6

The length of a rectangle is 4 in longer than its width. if the perimeter of the rectangle is 28 in , find its area.

Mathematics
1 answer:
ra1l [238]3 years ago
7 0
The area is 45 inches squared

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Which choices are solutions to the following equatior<br> Check all that apply. X^2 -5x=-9/4
svlad2 [7]

The solution of the equation 4x² - 20x + 9 = 0 will be 0.5 and 4.5.

<h3>What is a quadratic equation?</h3>

The quadratic equation is given as ax² + bx + c = 0. Then the degree of the equation will be 2. Then we have

The equation is given below.

x² - 5x = -9/4

Then the equation can be written as

4x² - 20x + 9 = 0

Then the factor of the equation will be

4x² - 20x + 9 = 0

4x² - 18x - 2x + 9 = 0

2x(2x - 9) -1 (2x - 9) = 0

(2x - 1)(2x - 9) = 0

Then the solution of the equation 4x² - 20x + 9 = 0 will be

x = 0.5, 4.5

More about the quadratic equation link is given below.

brainly.com/question/2263981

#SPJ1

7 0
1 year ago
What is the equation of the graph below?
Anarel [89]

Answer:

B: y = − (x − 3)² + 2

Step-by-step explanation:

You can check this using a graphing calculator, but it has a vertex of (3,2)

7 0
3 years ago
Given an exponential function for compounding interest A(x)= P(.82)^x what is the rate of change
Katena32 [7]

Answer:

For the answer to the question above, it is -18% because to find rate we subtract the rate, in this case, is .82 or 82% - 1 or 100% and that would give you the rate, in this case, its decreasing by an 18%

-Hope this helps<3

3 0
2 years ago
Leah's age is twice her cow old are Leah and her cousin?usin's age. If they add their ages together they get 36. How old are Lea
nignag [31]
Okay so lets call Leah "L" and her cousin "C". We know that L+C=36 ... we also know that Leah is twice her cousins age. Therefore, L=2 times C, or L=2C. This is because Leah's age is equivalent to twice as much as her cousin's. 
Now that you know that L=2C, you can plug this back into the equation. This should make it so that's there's only one variable now! 
L+C=36
(2C)+C=36   ... here we subbed in L=2C
3C=36     ... we add up the C's
C=12   ... we isolate for C by dividing both sides by 3

So her cousin's age is 12 years old. Leah's age is twice that. Thus, she's 24. If you add the two up: 12+24, you indeed get 36. Hope that helps :))
4 0
3 years ago
(8.166×10^8)×(1.515×10^9)
loris [4]
The answer is ....1.237149 x 10^18
4 0
3 years ago
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