4 years ago

F(x) = -x^2 + 7x – 13 Find f(-3)

Mathematics

1 answer:

never [62]4 years ago

3 0

Answer:

f(-3)=-25

Step-by-step explanation:

Putx=-3

f(-3)=-(-3)^2+7(-3)-13

f(-3)=9-21-13

f(-3)=-25

I hope this will help you

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What is the perimeter of rhombus ABCD? 10 units 20 units units units

Ainat [17]

Answer:
20 units
Step-by-step explanation:
We are given that
On a coordinate plane , rhombus ABCD in which point A is at (1,1) and point B is at (-2,-3), point C is at (-5,1) and D is at (-2,5).
We have to find the perimeter of rhombus ABCD.
Distance formula :
Using the distance formula
Side AB=
We know that sides of rhombus are equal
Therefore, AB=BC=CD=AD=5 units
Perimeter of rhombus=
Perimeter of rhombus=
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