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Vitek1552 [10]
3 years ago
12

Please help me now plz I will mark you brainliest

Mathematics
1 answer:
Stella [2.4K]3 years ago
7 0

Answer:

x=13

Step-by-step explanation:

The right side is a right triangle

The base is 1/2 of the bottom or 5

The height is 12 and the hypotenuse is x

We can use the Pythagorean theorem

a^2 +b^2 = c^2

5^2 +12^2=x^2

25+144 = x^2

169=x^2

Take the square root of each side

sqrt(169) = sqrt(x^2)

13=x

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<img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20%20%7Bx%7D%5E%7B3%20%7D%20%20%2B%20%20%7B3x%7D%5E%7B2%7D%20-%209x%20%2B%205"
9966 [12]

Answer:

f(1) =  {(1)}^{3}  + 3 {(1)}^{2}  - 9(1) + 5 \\ (x - 1) = 0 \rightarrow \: x = 1 \\\frac{{x}^{3 } + {3x}^{2} - 9x + 5}{x - 1}  =  {x}^{2}  + 4x - 5 \\ (x + 5)(x - 1) = 0 \\ x =  - 5 \: or \: x = 1 \\   \color{red}\boxed{x_{1} = 1} \\\color{yellow} \boxed {x_{2} = 1} \\    \color{green}\boxed{x_{3} =  - 5}

The answer would be C and F

7 0
2 years ago
FR33 P0IN7$ F0R B43$<br><br> BR4INLI3$T IF Y0U TR4N$L4T3 T7IS
alexdok [17]

Answer:

fr.ee points for base brain.liest if you translate this.

Step-by-step explanation:

ok

3 0
3 years ago
How do you Rewrite <br> 3x3x3x3<br> using an exponent?
Charra [1.4K]
Your answer is 3 raised to 4 that is 3^4.

Hope this helps :)
5 0
4 years ago
Which of the following is the equation of a line that passed though the points (2,5) and (4,3)
STatiana [176]

The correct answer is C as it has the same line of equation. We can make this clear by verifying that these two points make the same equation or not. So as we can see if we calculate the gradient using the formula y2 - y1 / x2 - x1.

As we now know that the gradient is -1. We can simply put any one point in the equation y - y1 = m(x - x1) to get the line of equation. WHen we calculate the line of equation it come out to be y = -x + 7

4 0
4 years ago
HELP PLEASE
vredina [299]
The answer to you question is B for number 1 and for 2 it is C. Hope this helps
4 0
4 years ago
Read 2 more answers
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