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ANTONII [103]
3 years ago
11

I WILL MARK AS BRAINLEIST

Mathematics
1 answer:
shutvik [7]3 years ago
3 0

The answer is definitely answer 1,60,-20 divide it by 2 and u get -10,30, its put in different ways with the negative first because your supposed to put ordered pairs in an order of Rise Over Run, so -10 would go first and 30 would go second, the dot thats given might confuse u because its not put in to Rise over run, it should be marked as -20,60 instead its marked as 60,-20.

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What is the solution to the equation below? Round your answer to two decimal places.
vodka [1.7K]

Answer:

x = 0.5

Step-by-step explanation:

2(2x-1)=3

2(2x)+1=3

        -1  -1

2(2x)=2        2x2=4

4x=2

4÷4 Cancels out the 4 in X

2÷4=0.5

Therefore

x = 0.5

4 0
3 years ago
Determine how many zeros, how many real or complex, and find the roots for f(x) = x3 − 5x2 − 25x + 125.
miskamm [114]
We can write this as:-

P(x) = + x^3 - 5x^2 - 25x + 125
There are 2 changes of real sign so by Descartes Rule of  signs there are either 2  positive real roots or 0 positive roots.

P(-x)  = - x^3 - 5x^2 + 25x + 125 
There is just one change of sign  so  there is exactly 1 real negative root.

125 is a multiple of 5 so By rational root theorem  5 could be  a positive root.

P(5) =  125 - 125 - 125 + 125  = 0   so one zero is  5
if we divide   the polynomial by (x - 5) we get the quadratic
x^2 - 25 
(x + 5)(x - 5) = 0

x = 5,-5

so the roots are 5 (multiplicity 2)  and -5.
2 real positive zeroes  and one real negative zero
7 0
2 years ago
Wrings a formula for the perimeter p of the triangle
BigorU [14]

Answer:

P = a + b + c

Step-by-step explanation:

Well, the formula is most likely P = a + b + c unless any more information is provided. Adding all three sides together will give you the perimeter.

Hope this helps!

6 0
2 years ago
Read 2 more answers
0.5 bigger than 9/18
aleksley [76]
No, 0.5 = 9/18.

9/18 can be simplified to 1/2, which is 0.5

Hope this helped! :)
7 0
3 years ago
Find the length of the arc. Use 3.14 for the value of 7. Round your answer to the nearest tent
nexus9112 [7]

Answer:

15.70

Step-by-step explanation:

2×3.14×10(90÷360)=15.70

4 0
2 years ago
Read 2 more answers
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