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Basile [38]
2 years ago
13

5r-7/4 is less than or equal to 2 or r+ 6 is grader than or equal to 17

Mathematics
2 answers:
dedylja [7]2 years ago
4 0

Answer: 5r7/4 is greater than 2 and R+6 is greater than 17.

Step-by-step explanation:

olga2289 [7]2 years ago
3 0

Answer:

9ubbj mh8

Step-by-step explanation:

8ujy9kjo

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4 0
3 years ago
The y coordinate of the vertex of f (x)=-x^2+8x+7 is f(4)
azamat

Hello there.

To answer this question, we need to remember some properties about the vertex of quadratic functions.

Let f(x)=ax^2+bx+c,~a\neq0. Its vertex can be found on the coordinates (x_v,~y_v) such that x_v=-\dfrac{b}{2a} and y_v=-\dfrac{b^2}{4a}+c, in which y_v=f(x_v).

Using the coefficients given by the question, we get that:

x_v=-\dfrac{8}{2\cdot(-1)}\\\\\\ x_v=-\dfrac{8}{-2}\\\\\\ x_v=4

Thus, we have:

y=f(x_v)=f(4)

So the statement is true, because the x coordinate of the vertex of the function is equal to 4.~~\checkmark

7 0
2 years ago
1. If x-1 is a factor of p(x)=x^3-7x^2+15x-9, which of the following represents the complete factorization for p(x)?
Snezhnost [94]
<span>1.</span>divide P(x) by (x-1) to get the quadratic equation... from which can be solve using any method in finding the roots of quadratic equation.... 
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branlist pls
4 0
4 years ago
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1.27 reapeating as a fraction
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4 0
3 years ago
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