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Alex Ar [27]
3 years ago
14

Determine the zeros of the function 2x^2-4x-6=0

Mathematics
1 answer:
muminat3 years ago
6 0
X=3,-1 the roots are the (zeros)
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Find the unknown<br><br> x:14 = 10:20
jeyben [28]

Answer:

7:14 = 10:20

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the fraction in a decimal form 8/50 ? Hellpppppp pllzzzz
Roman55 [17]

Answer: 0.16


Step-by-step explanation:

You can reduce this fraction

8/50

4/25 = 4 ÷ 25 = 0.16


I hope this helps! c:

6 0
3 years ago
Write and solve a quadratic equation for the situation below. Choose the answer that has both an equation that correctly models
Klio2033 [76]
Okay so the area of a rectangle x by y with a border of width b will be:

A=(x+2b)(y+2b)

A=xy+2bx+2by+4b^2  we are told that A=320, x=11, and y=15 so now we have:

320=165+22x+30x+4x^2, now I am using x as the border width...

4x^2+55x+165=320  is the equation that they listed..

...

4x^2+55x-155=0  using the quadratic formula for efficiency...

x=(-55±√5505)/8  since x>0

x≈2.399  which for some unknown (incorrect) reason they rounded to

x=2.5

So in short, your answer is a)  
4 0
3 years ago
-13/28+17/20 give answer as a reduced proper or improper fraction
Kay [80]
13/28+17/20=−13/28+17/20=27/70
6 0
3 years ago
Please help im so confused!!??
victus00 [196]
The formula for the surface area of a cone is SA=(pi)(r^2)+(pi)(r)(l)

L is the slant height of the cone.
Because pi is in the answer choices, there is no need to multiply either by pi so the new formula becomes
SA=r^2+(r)(l)
Now you just plug in what you know
Sa=(8^2) + (8)(15)
Sa=64+120
Sa=184(pi)

*dont forget to put the pi back in since you took it out in the beginning of the equation*

Your answer is A.

Hope this helps :)
8 0
3 years ago
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