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ryzh [129]
3 years ago
15

7b ÷ 12 = 4.2  what does b =

Mathematics
2 answers:
Alex3 years ago
5 0
7b/12=4.2
7b=4.2*12
7b=50.4
b=50.4/7=7.2                 (ans)
Luda [366]3 years ago
3 0
7b/12=4.2
7b=50.4
b=7.2

hope this helps
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there were 64 basketball games during the NCAA tournament 16 of those games were decided by 3 points or less what percentage of
kirill115 [55]

Answer:

25%

Step-by-step explanation:

We can use a proportion to answer this question:

64 represent the 100% of the games

so:

x : 100 = 16 : 64

x = (16*100)/64 = 1600/64 = 25%

7 0
3 years ago
5. The rate of change in revenue for the Priceline Group from 2004 to 2013 can be modeled
Mumz [18]

Answer:

a ) R(x)  = 0,2933*e∧0,2387*t

b) 5,9042 billions of dollars

Step-by-step explanation:

The rate of change in revenue  dR/dt for Priceline Group is

dR/dt =  0,07*e∧0,2387*t

dR = (0,07*e∧0,2387*t ) * dt

∫dR = ∫ (0,07*e∧0,2387*t ) * dt       between 2004  to 2013   ( t = 4 stands for 2004 and t = 13 stands for 2013 )

R(x)  =  (0,07/ 0,2387)*e∧0,2387*t )

R(x)  = 0,2933*e∧0,2387*t

Then

R(4)  = 0,2933*e∧0,2387*4

R(4) =  0,2933*2,5981

R(4) =  0,7602 billions of dollars

R(12)  = R(4) +   0,2933*e∧0,2387*12

R(12)  = 0,7602 +  5,1440

R(12)  =  5,9042 billions of dollars

8 0
3 years ago
X + 35/17 = 4 The answer is 33/17 but I got it wrong because I multiplied 4 by 17. Why do I minus 35/17 from 4 instead of multip
Tema [17]

X=33/17

Here is how it works

By the way what you are working with is called improper factions, which is when the big number is placed over the smaller number.

Now 33/17 is also 1 16/17

35/17 is also 2 1/17

Now we can the proper fractions which are 1 16/17 and 2 1/17

1+2=3 and 16/17 + 1/17 equals 1

3+1=4

I enjoyed solving your problem. please vote my answer brainliest..thanks

7 0
3 years ago
In the set of consecutive integers from 15 to 30 inclusive, two integers are multiples of both 3 and 5. How many integers in thi
Lisa [10]

Answer:

Step-by-step explanation:

To make it easy let's list the integers that are beetwen 15 to 30 inclusive :

15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30

  • the numbers that are multiples of both 5 and 3 are ending with 5 and 0 and the sum o their digits is a multiple of 3
  • 15,30 oly the values

the the whole interval ]15,30[ is the answer

8 0
4 years ago
Read 2 more answers
in a random sample of 25 gym members,8 prefer to drink bottled water rather than drink tap water during a workout.There is a tot
kotykmax [81]
We solve this poblem by rule of 3:

25 gym members----------------8 prefer to drink bottled water
312 gym members--------------    x
x=(312 gym members * 8 prefer to drink bottled water) / 25 gym members=
=99,84 prefer to drink bottled water≈100 prefer to drink bottled water.

the answer is :
D: 100
4 0
3 years ago
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