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Inessa05 [86]
3 years ago
9

F(x)=-x^2-10x Find f(-5)

Mathematics
1 answer:
san4es73 [151]3 years ago
3 0

Answer:

25

Step-by-step explanation:

f(x)=-x^2-10x

Let x = -5

f(-5)=-(-5)^2-10(-5)

     = -25+50

      =25

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NEED HELP!!! WILL MARK BRAINLIEST!!!
Tanzania [10]

Answer:

RTA= (x-2)·(x-11/2)/(x-2)(x-4)= (you can simplify again if you want by eliminating both (x-2)

(x-11/2)/(x-4)

Step-by-step explanation:

Ok we need to simplify the expression so:

x^2+3x-10= Bhaskara formula=

-3(±√9-4·1·(-10))/2·1=

X1=(-3+7/2)--> X1=2(R)---> (X-R)--->X-2

X2=(-3-7)/2 --> X2=11/2(R)---> (X-R)--->X-11/2

x^2-6x+8= Bhaskara formula=

6(±√36-4·1·8)/2·1=

X1=(6-2)/2=2--> X1=2(R)---> (X-R)--->X-2

X2=(6+2)/2=2--> X2=4(R)---> (X-R)--->X-4

so, The simplify expression is

(x-2)·(x-11/2)/(x-2)(x-4)=

8 0
3 years ago
What is 9 - 2x = 35?
frozen [14]

Answer:

x = -13

Step-by-step explanation:

9 - 2x = 35

Subtract 9 from both sides of the equation:

9 - 2x - 9 = 35 - 9

-2x = 26

Divide both sides of the equation by -2:

\frac{-2x}{-2}  = \frac{26}{-2}

x= -13

3 0
3 years ago
HELP ASAP!!!!PLEASE
Vitek1552 [10]

Answer:

47xy

Step-by-step explanation:

The answer is 47xy because you add the area of the first quadrant to the second quadratic triangle to reactive the triangle bade

5 0
3 years ago
Given f (x) = -3 + 5, solve for x when f (x) = -4
bezimeni [28]

The value of x when f(x) = -4 is 3

<h3>How to solve the function?</h3>

The function is given as:

f(x) = -3x + 5

When f(x) = -4, we have:

-4 = -3x + 5

Subtract 5 from both sides

-3x = -9

Divide both sides by -3

x = 3

Hence, the value of x when f(x) = -4 is 3

Read more about functions at:

brainly.com/question/4025726

#SPJ1

4 0
2 years ago
Read 2 more answers
5/2 in the simplest form
DENIUS [597]

5/2 is already in its simplest form. You cannot reduce this fraction any further.

5 0
3 years ago
Read 2 more answers
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