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Vladimir79 [104]
2 years ago
12

I need answer now please asap you will be marked as brainliest :D

Mathematics
1 answer:
garri49 [273]2 years ago
6 0

Answer:

Last one is correct

Step-by-step explanation:

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Plz help ill give u brainlist
Fed [463]
Angle 1 is a right angle =90 °
so 5x-85=90
5x=90+85
5x=175
x=35
8 0
3 years ago
Find the value of x.
Gelneren [198K]

Answer: x=13

Step-by-step explanation:

5 0
2 years ago
What is the answer please help
maria [59]

Answer:

25

Step-by-step explanation:

x^2=24^2+7^2

    =576+49

   =625

x=25

8 0
3 years ago
What is the vertex of the quadratic function f(x)=(x-8)(x-2)?
7nadin3 [17]
Change the function into vertex form:
f(x)=x²-10x+16
make a square by (adding half of -10)², which is 25, then subtract it:
f(x)=x²-10x+25-25+16
f(x)=(x-5)²-9
so the vertex is at (5,-9)

another way to do it: 
f(x)=x²-10x+16
the vertex is when x=-\frac{b}{2a}, b=-10, a=1 in this case.
x=-(-10/2*1)=5
plug x=5 into the quadratic function, you get f(x)=-9
4 0
3 years ago
Determine the period.
soldier1979 [14.2K]

Answer:

Step-by-step explanation:

we are being told that each square is one unit.  so,  look at peak to peak and count the units.  

1,2,3,4,5,6,7

From peak to peak is 7 units, so the period is 7

8 0
1 year ago
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