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Lilit [14]
4 years ago
9

From 5x^2-6x+8, subtract 3x^2-2x-4?

Mathematics
1 answer:
victus00 [196]4 years ago
8 0
(5x^2-6x+8)-(3x^2-2x-4)=\\5x^2-6x+8-3x^2+2x+4=2x^2-4x+12
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WILL GIVE BRAINLIEST How do you factor out the squared term's constant? (completing the square for a parabola)
muminat

hope this helps you and stay smart

3 0
2 years ago
People with restless leg syndrome have a strong urge to move their legs to stop uncomfortable sensations. People with fibromyalg
USPshnik [31]

Answer:

0.1833

Step-by-step explanation:

Given:

% of people with fibromyalgia = 2%

Probability of having a restless leg syndrome for people with fibromyalgia = 0.33

Probability of having a restless leg syndrome for people without fibromyalgia = 0.03

Take F as event of having fibromyalgia

Take R as event of having restless leg

Required:

Find the probability that a person with restless leg syndrome has fibromyalgia.

To find the probability that a person with restless leg syndrome has fibromyalgia, we have: P(F/R)

P(F/R) = \frac{P(F n R)}{P(R)}

P(F/R) =\frac{P(R/F) * P(F)}{P(R/F) * P(F) + P(R/F^c) * P(F^c)}

Where,

P(R/F) = 0.33

P(F) = 2% = 0.02

P(R/F') = 0.03

P(F') = 1 - 0.02 = 0.98

Therefore,

P(F/R) = \frac{0.33 * 0.02}{0.33*0.02 + 0.03*0.98}

= 0.1833

Probability a person with restless leg syndrome has fibromyalgia = 0.1833

Tree diagram is attached

5 0
3 years ago
What is the value of X?
Elodia [21]

Answer:

Vertical Angles

x = 21

Step-by-step explanation:

Vertical Angles

4x + 3 = 87

4x = 84

x = 21

5 0
3 years ago
milton opens a store credit card when he purchases appliances for his kitchen. the interest rate is 17.45%. he charges $3,740 to
kari74 [83]

<u>Answer-</u>

The total cost of his purchase will be $3,846.34

<u>Solution-</u>

Here, the annual interest rate is 17.45%.

So monthly interest rate will be,

=\frac{17.45}{12} =1.454\%=0.01454

With a purchase of $3,740, the amount will be after one month,

=3740(1+0.01454)^1=3740(1.01454)=3794.38

Then she makes a payment of $1350, so the balance at the end of month 1 is

=3794.38-1350=2444.37

Now she has to pay with $2444.37 as principal amount, the amount will be after one month,

=2444.37(1+0.01454)^1=2444.37(1.01454)=2479.91

Then she again makes a payment of $1350, so the balance at the end of month 2 is

=2479.91-1350=1129.91  

Final month, she has to pay with $1129.91 as principal amount, the amount will be,

=1129.91(1+0.01454)^1=1129.91(1.01454)=1146.34

So the total cost, including interest, would be the sum of the three payments,

=1350+1350+1146.34=3,846.34

3 0
4 years ago
Multiply and simplify (3-5i)(-2+4i)​
tia_tia [17]

Answer:

i need answers

Step-by-step explanation:

from any one\

7 0
3 years ago
Read 2 more answers
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