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Usimov [2.4K]
3 years ago
13

HELP ME FOR 15 POINT NOW PLZ PLZ

Mathematics
1 answer:
kkurt [141]3 years ago
5 0

Answer:

23 units

Step-by-step explanation:

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Bill has $6 more than Ted. Together they have $32. Write two equations and then solve for the amount of money that bill has.
Dima020 [189]

Answer: Bill Has 19$

Step-by-step explanation:

8 0
3 years ago
The final scores of students in a graduate course are distributed normally with a mean of 72 and a standard deviation of 5. What
Tcecarenko [31]

Answer:

0.8041

Step-by-step explanation:

We know that  

μ=72  and  σ=5

and P(65<X<78)

We can determine the Z value as (X-μ)/σ

P( 65<X<78 )=P( 65-72< X-μ<78-72)

P((65-72)/5

P(65

To fine the Z values:

P (-1.4

From the standard normal tables:

P (Z

to find P ( Z<-1.4)

P ( Z

From the standard normal tables:

P ( Z

Therefore

P(-1.4

P (65

8 0
3 years ago
Stephen, Nick and Brian share £90 in a ratio 1:2:2. How much money does each person get?
malfutka [58]

Answer:

Stephen: £36

Nick: £36

Brian: £18

Step-by-step explanation:

2+2+1= 5

90/5= 18

18x2= 36

18x2=36

18x1=18

Hope it helps

4 0
3 years ago
4 and one-third divided by 5 and StartFraction 1 over 6 EndFraction
tigry1 [53]

Answer:

31/6

Step-by-step explanation:

I got it right on my quiz

3 0
2 years ago
Square root 15*3sqyare root 81y
Deffense [45]
<span>No simplification exists, Root remains :
</span>sqrt(15y) 
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3 years ago
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