What is the word and expanded form of 2.789

Answers

Answer 1

Answer: 2.789 = numerical form

Expanded from = 2 + .7 + .08 + .009

Word form:- two and seven hundred eighty-nine thousandths

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A pillow that usually costs $18 is marked down 25%. Which expressions can be used to find the new price of the pillow?

Answers

Answer:

x = 18-(0.25×18)

Step-by-step explanation:

The price of the pillow = $18.00

cost is marked down = 25% = $(25)/(100)$ = 0.25

Let the new price be x

The expression that can be used to find the new price of the pillow will be

x = 18-(0.25×18)

n= new price

n=18-(18*0.25)

The total weight of 6 pieces of butter and a bag of sugar is 3.8lb. If the weight of the bag of sugar is 1.4 lbs what is the weight of each piece of butter

Answers

the total weight of 6 pieces of butter and bag of sugar is 3.8 lb

lets name a piece of butter as x

there are 6 pieces of butter - then x * 6 = 6x

if we write an equation for the total cost

6x + bag of sugar = 3.8 lb

weight of bag of sugar = 1.4 lb

6x + 1.4 lb = 3.8 lb

6x = 3.8 - 1.4

6x = 2.4 lb

x = 2.4/6

x = 0.4 lbs

therefore weight of a piece of butter is 0.4 lbs

The weight of each piece of butter is $\boxed{\bf0.4{\text{ lbs}}}$ .

Further explanation:

Given:

The total weight of 6 pieces of butter and the weight of a bag of sugar is equal to 3.8 lbs.

The weight of the bag of sugar is 1.4 lbs.

Our aim is to find the weight of each piece of butter.

Calculation:

Let the weight of each piece of butter to be $x$ lbs.

Also consider the weight of a bag of sugar to be $y$ lbs.

Then the weight of 6 pieces of butter is $\boxed{6x}$ .

Therefore, the total weight of 6 pieces of butter and one bag of sugar is calculated as.

${\text{Total weight}}=6x+y$

Given that total weight of 6 pieces of butter and one bag of sugar is equal to 3.8.

Now, the total weight in the form of an equation can be written as,

$6x+y=3.8$ ……(1)

Since, the weight of one bag of sugar is equal to 1.4 lbs., then substitute 1.4 for $y$ in equation (1) to obtain the value of $x$ as follows:

$6x+1.4=3.8$

Subtract 1.4 on both sides of above equation as follows:

$\begin{aligned}6x+1.4-1.4&=3.8-1.4\n6x&=2.4\n\end{aligned}$

Now, divide both sides of above equation by 6 to obtain the value of $x$ as follows:

$\begin{aligned}\frac{{6x}}{6}&=\frac{{2.4}}{6}\nx&=0.4\n\end{aligned}$

Therefore, the weight of each piece of butter is equal to $\boxed{\bf0.4{\text{ lbs}}}$ .

Learn more:

1. Learn more about equations brainly.com/question/788903

2. Learn more about algebraic expression brainly.com/question/5533462

Answer details:

Grade: Middle School

Subject: Mathematics

Chapter: Linear equations

Keywords: Weight, pieces, butter, bag, sugar, total, lbs., equations, algebraic equations, linear, subtract, 6x+y=3.8, x=0.4.

4. Resolva as seguintes equações do primeiro grau com uma incognitaa) 4x + 2 = 38
b) 9x = 6x + 12
c) 5x - 1 = 3x + 11
d) 2x + 8 = x + 13
5. Um retangulo com 100 cm de perímetro apresenta a medida do lado maior com 10 cm a mais que o lado menor. Quanto mede o lado menor dessa figura geométrica?

Answers

Answer:

4. a)

5. shorter side of the rectangle measures 20 cm.

Step-by-step explanation:

Answer:

Step-by-step explanation:

What number is the same is thirty one and eight hundred eighty thousandths.

Answers

the answer in 31.880

31.880 or 31.88 or 31 88/100 or 31 22/25

A new teen magazine has a readership goal of 3.5 million. It's current readership is 2.8 million. How much does its readership need to increase to meet the goal?

Answers

3,500,000 - 2,800,000 = 700,000

So the magazine needs 700,000 readers to meet their goal.

Hope that helps you. :-)

subtract 2.8 million from 3.5 million and then thats your answer

Nikki wants to buy a dog bed that costs $87. She earns $6 per week for doing chores.

Answers

I think in this question you want to know the number of days it will take Nikki to buy the dog bed. Based on this assumption i am proceeding with the problem. There are several information's given in the problem and it is required to note them down first.
Cost of the dog bed = $87
Amount Nikki earns each day doing chores = $6
Let us assume the number of days Nikki requires to collect this amount = x
Then
6x = 87
x = 87/6
= 14.5 days
As it cannot be 14.5 days so it should be 15 days. there will be some excess amount in the hands of Nikki. If we take 14 days then the amount collected by Nikki will be less.So it will require Nikki to work for 15 days to collect the amount needed for buying the dog bed.

Anwser : 14.6

Do this!

87 divided by 6= 14.6

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