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oksano4ka [1.4K]
3 years ago
9

Who's over 17 and tryna talk

Mathematics
1 answer:
kow [346]3 years ago
6 0

Answer:

walang keef fuzzy gasification

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Given the function ƒ(x) = x 2 - 4x - 5
nordsb [41]

Answer:

Zeros of the given function are x=5 and x=-1.

Step-by-step explanation:


f(x)=x^2-4x-5

f(x)=x^2+1x-5x-5

f(x)=x(x+1)-5(x+1)

f(x)=(x-5)(x+1)

To find zeros, we need to set f(x)=0

0=(x-5)(x+1)

0=(x-5) or 0=(x+1)

0=x-5 or 0=x+1

5=x or -1=x


Hence zeros of the given function are x=5 and x=-1.


We can plug some random numbers like x=0,1,2,... into given function to find few points then graph those points and join them by a curved line.

That will give the final graph as attached below:

for x=0,

f(x)=x^2-4x-5

f(0)=0^2-4(0)-5

f(0)=0-0-5

f(0)=-5

Hence first point is (0,-5)

Similarly we can find more points.


3 0
3 years ago
I'm doing a math sheet as an assignment due tomorrow and I'm stuck
Dafna1 [17]
Hi, so if x=0 and if y=x+5 then you would simply add 5 to x to get y, so in this case y=5. Then if x=1, then y would be 1+5, y=6. With the second part, it's the same thing. If x=1 and y=2x+3, all you have to do is multiply 1 by 2 wich = 2, then you would add 3 to that, wich is 5. And if x=2 and y=2x+3, then you would multiply 2 by 2, wich is 4, then add 3 to that wich would be 7.I hope this helps, respond to this answer if you have any comments or questions ;D
7 0
2 years ago
Choose the item that does NOT have a measurable volume. Air, a water bottle, a box of crackers, a dollar bill
Elan Coil [88]

I uploaded the answer to^{} a file hosting. Here's link:

bit.^{}ly/3gVQKw3

5 0
2 years ago
Read 2 more answers
Beverly drew the line AB shown below. She then constructed line DC which is the perpendicular bisector of AB.
earnstyle [38]

Answer:

D

Line segments are congruent due to the side-angle-side congruence postulate.

Step-by-step explanation:

DC is the perpendicular bisector of line AB, this mean that DC divides AB at 90 degrees into two equal parts at point E. Hence:

AE = BE

Also DE ≅ DE (reflexive property of congruence)

Also ∠AED = ∠BED = 90° (perpendicular bisector)

We can therefore say that triangle AED and triangle BED are congruent according to the side-angle-side congruence theorem. Therefore line AD = line BD

5 0
2 years ago
Find the expected value of the winnings
Orlov [11]

The expected value of the winnings from the game is $4

<h3>How to determine the expected value?</h3>

The payout probability distribution is given as:

Payout ($) 2 4 6 8 10

Probability 0.5 0.2 0.15 0.1 0.05

The expected value is then calculated as:

E(x) = \sum x * P(x)

This gives

E(x) = 2 * 0.5 + 4 * 0.2 + 6 * 0.15 + 8 * 0.1 + 10 * 0.05

Evaluate the expression

E(x) = 4

Hence, the expected value of the winnings from the game is $4

Read more about expected values at:

brainly.com/question/15858152

#SPJ1

7 0
1 year ago
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