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natima [27]
3 years ago
10

Please help me on number 2

Mathematics
1 answer:
goldenfox [79]3 years ago
8 0
On number 2 2 times -3 is 6
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“ it will take 1 2/3 hours” what is the 2/3 in minutes ?
Fittoniya [83]

Answer:

40 minutes

Step-by-step explanation:

2/3 x 60 = 40

8 0
3 years ago
Paul volunteered at the senior center for 3 9/10 hours on Saturday and 5 1/6 hours on Sunday. How many hours did Paul volunteer
AleksandrR [38]

Answer:

9 1/15 Hours

Step-by-step explanation:

First you must find the LCD of the two fractions. Then, you can add them together very easily. Last, just simplify.

Hope this helps!

8 0
2 years ago
About 20​% of babies born with a certain ailment recover fully. a hospital is caring for sixsix babies born with this ailment. t
alisha [4.7K]

Answer :

Yes, the experiment is a binomial experiment because it satisfies all the four characteristics of the binomial experiment :

1. Fixed number of trials

2. Exactly two outcomes

3. Outcomes are independent of each other

4. Probability of all the outcomes remains constant from trial to trial.

Success in the given experiment is that the baby recovers fully.

Hospital is caring for 6 babies , n = 6

p = 0.20 ( Success )

q = 1 - 0.20 = 0.80 ( Not a success )

Value of random variable x is the number of babies which are recovering fully, x = 0, 1, 2, 3, 4, 5 or 6

5 0
3 years ago
Solve the system of equations -x-2y=0 and -x+y=6 by combining the equations
Elden [556K]

Answer:

x=-4 and y=10

Step-by-step explanation:

Use the second equation to make y=x+6

sub y=x+6 into the first equation

-x-2*(x+6)=0

-x-2x-12=0

-3x-12=0

3x=-12

x=-4

Now sub x=-4 into the second equation

-(-4)+y=6

y=6+4

y=10

3 0
2 years ago
a painter bought 8 gallons of paint,just enough to cover two rooms.one room is twice the size of the other and requires 3 coats
bija089 [108]
Let x be the size of the small room and 2x, the big room

The larger room requires 3 coats and the smaller, 2 coats


All requires exactly 8 gal.


2.x + (2x).3 = 8 Gal,  8x = 8 and x = 1 (size of te smallest)

if it's the small room, then it will need 2 coats or 2x1 = 2 Gal,  and the paint left is 8-2  = 6 Gal.

if it's the large one, 6x or 6 Gal, and remaining 2 Gal
6 0
3 years ago
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