How do I divide a decimal

Answers

Answer 1

Answer: 1. if the derisive is not a whole number, move decimal to the right to make it a whole number and move decimal point in dividend the same number of places
2. divide as usual
3. put decimal right under the decimal in the dividend

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What is the surface area of the following triangular prism?

Answers

64.5 cm²
A=1/2bh
Surface area is the total area of all of the sides and faces of a three-dimensional figure. To find the surface area, the area of each face is calculated and then add these areas together.

d)59.25 cm2 is the answer

Which expressions have a value of –23?A. 11-34

B. -9-(-14)

C. 25-2

D. -11-12

Answers

A. 11-34.

11 - 34 = -23

A. 11-34

(11-34)
= -23
ANS: A. 11-34

Solve for the missing variable :> thank you

Answers

1. 3x+16 = 5x-54

-3x -3x

16=2x-54

+54 +54

70 = 2x

35=x

2. 4x-10 = 58

+10 +10

4x = 68

x=17

3. 2x+43 = 2x-3

x=0

no solution

4. x+16 = 4x-5

-x -x

16=3x-5

+5 +5

21=3x

x=7

5. 11y-36 = 63

+36 +36

11y=99

y=9

The faces of a cube are numbered 1-6. if the cube is tossed once what is the probability that a prime number or a number divisible by 2 is obtained

Answers

Answer:

Prime Numbers 2, 3, 5

Divisible by 2 - 2, 4, 6

One is NOT a prime number.

So, there are 5 out of 6 numbers that are even or are prime.

This leaves only 1 number that isn't.

So, the probability is 5/6 that the number rolled will be prime or even.

Step-by-step explanation:

How to undo the operation and explain why it works a. adding 28 b. dividing by 17

Answers

a) subtracting 28, adding and subtracting are opposites
b) multiply by 17. Multiplying and dividing are opposites

put the operation in order to explain you

A hair salon bought 12 headbands for $24. At this rate, how much will 48 headbands cost? Show your work.

Answers

12x4=48 so that means a head band is 2 dollars each and 12x2=24 so 48x2=96
BOOM! :)

Answer:

Step-by-step explanation:

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10 coins have a mass of 45 grams. How many grams is one coin?

Tanya needs to buy chocolate bars for all the children in year 7. Each of the 130 children get one chocolate bar. There are 8 chocolate bars in each packet. Work out the least number of packets of chocolate bars that Tanya needs to buy.