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2 years ago

10

a sleeping bag weighs 8 pounds. your backpack and sleeping bag together weigh 31 pounds. write an equation to determine whether

the backpack without the sleeping weighs 25 or 23 ponds.

1 answer:

Luda [366]2 years ago

8 0

31-8=23 pounds for the backpack.

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Two fifths of a number, subtracted from 2

vovangra [49]

The answer in decimal form is <span>: -1.6</span>

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3 years ago

Could someone explain how to do this, I have no idea how...

alexira [117]

Answer:

2a²

Step-by-step explanation:

Pair 'like' terms with 'like' terms, ie numbers go with numbers, and 'a's go with 'a's.

Lets deal with the top of the fraction first:

4ax3a³

Rearrange it so you have numbers beside numbers and 'a's beside 'a's:

(4x3)x(axa³)

12x(a⁴) <em>(because nᵃxnᵇ=nᵃ⁺ᵇ)</em>

12a⁴

Now, instead of (4ax3a³)/6a², we have 12a⁴/6a²

First divide the numbers: 12/6 =2

Now divide the 'a' parts: a⁴/a²=a² <em>(because nᵃ/nᵇ=nᵃ⁻ᵇ)</em>

Now we have 2a²

7 0

2 years ago

PLEASE HELP! ASAP! no links please

adoni [48]

From left to right it’s 1, 49, 9, 70

7 0

2 years ago

a party of 145people have tea at 22tables at some tables they are 7people and 6of the others how many tables are their 7people

AlladinOne [14]

If all 22 tables had 6 people, there would be 132 people seated. There are 13 more than that, so 13 tables have 7 people.

6 0

2 years ago

A 180-watt iHome® is used on an average of three hours a day. Find the cost of listening to the iHome for one week at a cost of

IgorLugansk [536]

<h2>Hello!</h2>

The answer is:

The correct option is:

A. $0.49

<h2>Why?</h2>

From the statement, we know that the iHome is used on average three hours a day, and we are asked to find the cost for a week, so first, we need to calculate the total hours that the iHome is used for, and then, calculate the kilowatt-hour consumption rate.

$TotalTime_{week}=3\frac{hours}{day} *7days=21hours$

$TotalEnergyConsumption_{week}=180watt*21hours=3780watt.hour$

Now, we must remember that:

$1Kilowatt=1000watts$

So,

$3780watts=3780watts.hour*\frac{1KiloWatt}{1000watts}=3.78KiloWatt.hour$

Then, calculating the cost, we have:

$TotalCost_{week}=0.13\frac{dollar}{killowat.hour}*3.78killowat.hour=0.49(dollar)$

Hence, we have that the correct option is:

A. $0.49

Have a nice day!

7 0

2 years ago