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77julia77 [94]
4 years ago
8

Solve for a side in right triangles

Mathematics
1 answer:
-Dominant- [34]4 years ago
3 0

Answer:

AB = 4.73

Step-by-step explanation:

You might be interested in
10x^4+7x^3-12x^2
VashaNatasha [74]
10x^4+ 7x^3-12x^2
= x^2(10x^2+ 7x- 12)
= x^2(10x^2 -8x+ 15x -12)
= x^2[ 2x(5x-4)+ 3(5x-4)]
= x^2(5x-4)(2x+3)

x^2(5x-4)(2x+3)= 0
⇒ x= 0
or 5x-4= 0
or 2x+3= 0
⇒ x= 0
or x= 4/5
or x= -3/2

The final answer is x= 0 or x= 4/5 or x= -3/2~

8 0
3 years ago
Marty's Barber Shop has one barber. Customers have an arrival rate of 2.2 customers per hour, and haircuts are given with a serv
Aleks [24]

Answer:

Step-by-step explanation:

Arrival rate = ∧ = 2.2 customers per hour

Service rate = u = 5 customers per hour

1. Probability that one customer is receiving a haircut and one customer is waiting

P(2 customers)=(∧/u)^2 * (1-∧/u)=(2.2/5)^2 * (1-2.2/5)=0.1936*0.56= 0.108416

2. Probability that one customer is receiving a haircut and two customers are waiting

P(3 customers)= (∧/u)^3 * (1-∧/u)=(2.2/5)^3 * (1-2.2/5)= 0.085184

* 0.56= 0.04770304

3. Probability that more than two customers are waiting

P(more than 3 customers)=1- P(less than 3 customers) =

1- [P(0)+P(1)+P(2)+P(3)]=

= 1- [(1-2.2/5) +2.2/5*(1- 2.2/5) + 0.108416+0.04770304]=1-0.9625=0.0375

3. Probability that more than two customers are waiting =

7 0
3 years ago
Joan reads that the mass of an average
Brilliant_brown [7]

Answer:

35.5 kilograms

Step-by-step explanation:

An average human's brain is 1.5 kilograms.

1.5 + 34 = 35.5

4 0
3 years ago
9 = -3 + n + 2n what does n equal ?
coldgirl [10]

Step-by-step explanation:

9=-3+n+2n

9+3=n+2n

12=3n

n=12/3

n=4

5 0
3 years ago
Read 2 more answers
(9x + 7)(4x + 1)(3x + 4) = 0<br> 1 root<br> 3 roots<br> 4 roots<br> 9 roots
asambeis [7]

Answer:

3 roots

Step-by-step explanation:

(9x+7)(4x+1)(3x+4)=0

x=-7/9 or - 1/4 or - 4/3

3 0
3 years ago
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