Write a division equation to represent the repeated subtraction

Answers

Answer 1

Answer: Divison: 45➗15= 3
Subtraction: 45-15= 30

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if one letter is chosen at random from the word combed, what is the probability that the letter chosen will be a "d"?

Answers

I might be wrong. This is what I think. The probability is 3.85% You can round up to 4 %. I might be wrong. I hope I helped. :D

10 Points! How do you calculate the volume of a 3D figure? Example(s)?

Answers

There is not really a rule to figuring out this question.There are kinda multiple ways to determine the volume of a 3D object. It really depends on what 3D object you are trying to find the volume for. But i can give you and example. Say you have a 3 dementional cube and you need to find the volume of that cube. You would take the bottom square of the cube and fine the area like you would any other square. But since this is a cube you have height to worrie about. So you will take the area you got for the bottom square and times that by the height. You will then have your answer. And if you are dealing with a cylinder same thing goes except with circle. Find the area of the bottom circle then times that by the area. Hope this helped sorry for taking so long.

A robot moves at a constant speed. The distance it moves and the time it spends moving are shown in this table:

Answers

Answer:

d = 0.7*t

Step-by-step explanation:

Given data,

Time Distance

10 7

15 10.5

20 14

From analysis,

1) d1/t1 = 7/10 = 0.7

2) d2/t2 = 15/20 = 0.7

3) d3/t3 = 14/20 = 0.7

It can be analysed from the figure that, at every point d/t = 0.7

Therefore, the relationship between t and d is

d = 0.7*t

t = d/0.7

Answer:

d=0.7t

Step-by-step explanation:

I just did the question on khan academy.

Use the Distributive Property to expand the expression z(−6.4−3.5x)

Answers

Answer: $-6.4z-3.5xz$

Step-by-step explanation:

The distributive property is given by :-

$a(b+c)= ab+bc$

or $(b+c)a= ba+ca$ , where a, b , c are some algebraic expressions.

The given expression: z(−6.4−3.5x)

Then , by distributive property we have

$z(-6.4-3.5x)= z *-6.4 -z*3.5 x\n\n=-6.4z-3.5xz$

Thus , the required expression will be $-6.4z-3.5xz$

Answer:

-6.4z- (3.5x)

Step-by-step explanation:

cant do z times x

How to write 43 centimeters as a decimal

Answers

43.00 cm
Hope this helps

Brianna is getting materials for a chemistry experiment.her teacher give her a container that has 0.15 liter of a liquid in it .brianna need to used 0.4 of this liquid for the experiment. How much liquid will brianna use?

Answers

Answer: 0.06 liters

Step-by-step explanation:

Given: Amount of liquid given to Brianna by her teacher = 0.15 liters

Since Brianna need to used 0.4 of this liquid for the experiment.

Thus, amount of liquid used by Brianna= 0.4 of 0.15 liters

⇒ Amount of liquid used by Brianna $=0.4*0.15\ liters$

⇒ Amount of liquid used by Brianna $=(4)/(10)*(15)/(100)\ liters$

⇒ Amount of liquid used by Brianna $=(60)/(1000)=0.06\ liters$

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Can yall please help me answer all these