7.980 divided on 0.19

Answers

Answer 1
Answer: 7.980 divide by 0.19 is 42.

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A basketball has a diameter of 9.5cm. Which of the expressions shows how to determine the volume of air the basketball can hold? A 34π(4.75)3B 34π(9.5)3C 43π(4.75)3D 43π(
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During the day,Sam spent $4.85 on lunch.he also bought 2 books for $7.95 each. At the end of the day we had $8.20 left how much money did he start with.

Nine twentieths is equal

Answers

An equivalent fractions would be 18/40.
Nine twentieths is equal to...

9/20 and 0.45.

Writing in Math. Explain how the digit 7 can have different values.

Answers

The value of a number is for example 7, 70 (but also 8, 80, etc). 7 can refer to the value of seven if it's on its own or if it's on the rightmost position, but in the number 75, seven refers to the value of 70. The same digit can have different values in a place value system where the value represented by a digit depends on its position.

Write a problem about a group of objects in your classroom

Answers


The seats in the classroom form a square pattern
of four columns and six rows.

There is one of these mystery objects in every seat
between the hours of 9:00 AM and 12:00 Noon,
and also between the hours of  1:00 PM and 4:30 PM.
 
a).  How many objects are there in seats at  12:45 PM ?

b).  How many objects are there in seats at  2:07 PM ?

c).  What do you think the mystery objects are ?

Emma has six pencils. If she gives some pencils to two people, how many pencils and ends up with none, how many pencils did she give to each person?

How many Minutes and Hours are in 175, 336, and 750?

Answers

I'm assuming its 175, 336 and 750 minutes? 

175 minutes: 
175 divided by 60
= 2 remainder 55
= 2 hours and 55 minutes 

336 minutes: 
336 divided by 60 
= 5 remainder 36 
= 5 hours and 36 minutes 

750 minutes: 
750 divided by 60 
= 12 remainder 30
= 12 hours and 30 minutes 

at one stage in a factory's candy production cocoa is mixed with sugar. for every 12 pounds of cocoa 5 pounds of sugar are needed. write an equation of a function that arises from this situation. make a table of values and draw the graph of your function.

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Please help! #2a and #2b

Answers

Hey there!!

( a ) 1 + 3/x²-1 = 2/x-1

      x²-1+3/x²-1 = 2/x-1

      x²+2/x²-1 = 2/x-1

 Note : we can write x²-1 as (x-1)(x+1)

I wrote this with the identity a²-b² = (a+b)(a-b)

      x²+2/(x-1)(x+1) = 2/x-1

Multiplying (x-1)(x+1) on both sides

x²+2 = 2(x-1)(x+1) / (x-1)

x²+2 = 2(x+1)

x²+2 = 2x+2

x²-2x = 0

x(x-2)=0

x=0

x-2=0

x=2

x = 0 and 2

( b ) ( √x+3 ) - 1 = x

      √x+3 = x+1

x+3 = ( x+1)²

x+3 = x²+2x+1

x+3-x²-2x-1=0

-x+2-x²=0

-x²-x+2=0

x = -b plus or minus √b2 -4ac / 2a

x = -1 plus or minus √ 1 + 8 / 2

-1 plus or minus √9 / 2

-1 plus or minus 3/2

-1 +3 / 2

x = 1

-1 - 3 / 2

-4/2

x = -2

negative cannot be a value

Hence, the answer is

x = 1

Hope my answer helps!