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ANTONII [103]
3 years ago
9

Convert: 76.8°F = ________ °C

Mathematics
1 answer:
kirill [66]3 years ago
4 0
It’s 24.88889 Celsius.
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1. Sarah and Emily are each saving money. Sarah starts with $50 in her savings account and adds $10 per week. Emily starts with
Sunny_sXe [5.5K]

Answer:

1) sarah has $100 in her bank account after 5 weeks ans Emily has $95, so Sarah has more.

2)After 6 weeks they will both have $110

Step-by-step explanation:

7 0
3 years ago
Which would be an equivalent way to write y=2−3x?
Ipatiy [6.2K]
Some are
y-2=-3x
y+3x=2
3x=2-y
6 0
3 years ago
Read 2 more answers
Pls help quick 10 points
scZoUnD [109]

Answer:

6.86 to 2DP.

Step-by-step explanation:

7/12 = 4/DC

Cross multiply:

7DC = 4*12

DC = 48/7

= 6.857.

8 0
3 years ago
Read 2 more answers
The proportion of students who own a cell phone on college campuses across the country has increased tremendously over the past
galina1969 [7]

Complete Question

The complete question is shown on the uploaded image  

Answer:

1 ) The correct option B

2) The correct option is  C

3)  The correct option is  C

4)  The correct option is  C

Step-by-step explanation:

From the question we are told that

   The proportion that own a cell phone  is  p = 0.90

    The  sample  size is  n =  15

Generally the appropriate distribution for X is mathematically  represented as

      X  \ is  \ B( n , p )

So  

       X  \ is  \ B( 15 , 0.90 )

Generally the number students that  own a cell phone in a simple random sample of 15 students is mathematically represented as

              \mu  =  n  *  p

              \mu  =  15 *  0.90

              \mu  =   13.5

Generally the standard deviation of the number of students who own a cell phone in a simple random sample of 15 students is mathematically represented as

                \sigma  =  \sqrt{ n *  p *  q }

Where  q is mathematically evaluated as

          q =  1- p

           q =  1- 0.90

           q =  0.10

            \sigma  =  \sqrt{ 15 *  0.90 *  0.10 }

            \sigma  = 1.16

Generally the probability that all students in a simple random sample of 15 students own a cell phone is mathematically represented as

   P(X =  15) =  \left 15} \atop {}} \right.C_{15} *  p^{15} *  q^{15 - 15}    

     P(X =  15) =  \left 15} \atop {}} \right.C_{15} *  (0.90)^{15} *  (0.10 )^{15 - 15}

From the combination calculator  is      \left 15} \atop {}} \right.C_{15} =  1

     P(X =  15) = 1 *  0.205891 *  1

      P(X =  15) = 0.206

7 0
3 years ago
The ratio of blue to yellow is 4:5 and there are 15 yellow how many blue is there?
KATRIN_1 [288]

Answer: 12 blue marbles

Step-by-step explanation: Set up a proportion.

4/5 = x/15

Solve for x, the number of blue marbles. Cross multiply. You will get 60 = 5x

Divide by 5 on each side.

x = 12

There are 12 blue marbles.

7 0
3 years ago
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