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xz_007 [3.2K]
3 years ago
7

Alex has a small notebook that is shaped like a rectangle. She knows one side is 6 cm and another side is 4 cm. Explain how to f

ind the distance around the notebook without using a ruler.
Mathematics
2 answers:
kkurt [141]3 years ago
8 0

Answer : The distance around the notebook is, 20 cm

Step-by-step explanation :

Given:

Length of rectangle = 6 cm

Breadth of rectangle = 4 cm

As we know that perimeter (distance) is the sum of all side of a given figure.

As there are 4 sides of rectangle.

Perimeter of rectangle = 2(Length + Breadth)

Perimeter of rectangle = 2(6 cm + 4 cm)

Perimeter of rectangle = 2(10 cm)

Perimeter of rectangle = 20 cm

Therefore, the distance around the notebook is, 20 cm

brilliants [131]3 years ago
5 0
6+6+4+4
Add all of the side lengths together.
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Nico is saving money for his college education. He invests some money at 9% and 800 less than that amount at 6%. The investments
vampirchik [111]

Answer:

$1800 at 9% and $1000 at 6%

Step-by-step explanation:

Not needed

5 0
3 years ago
Jason is building a 1 : 180 scale model of a real castle. his model has a rectangular base that is 3 feet wide and 4 feet long.w
balu736 [363]
The area of the actual castle would be 388,800 sq. ft.

We would multiply each of the sides of the scale model both by 180 to find the side lengths of the actual castle.

So...
180 x 4 = 720
180 x 3 = 540

If Area is equal to Length Times Width, all thats left to do is to multiply the two sides together.

720 x 540 = 388,800

Hope this helped! :D
3 0
3 years ago
Kendall is solving this inequality. x/2 + 6 > 42 What should she do first to solve?
Aleonysh [2.5K]

Answer:

see below

Step-by-step explanation:

First, she should subtract 6 from both sides of the inequality. This makes it so that the x terms are on one side and the non-x terms are on the other side so she can then solve for x by multiplying the entire inequality by 2.

3 0
3 years ago
Four more than twice a number is less than negative twelve. Find all numbers that make this statement true.
andreev551 [17]

Answer:

x<-8

Step-by-step explanation:

four more than twice a number = 4+2X

is less than negative twelve = <-12

4+2X<-12

(4-4)+2X< -12-4

2x<-16

X<-8

7 0
3 years ago
Gareth has $2,000 to invest. Putting the money in a savings account at his local bank will earn him 2.2% annual interest and giv
strojnjashka [21]

Gareth has $2,000 to invest. Putting the money in a savings account at his local bank will earn him 2.2% annual interest.

Interest earned in local bank = 2000 * 22.2% = 2000 * 0.022 = 44

Putting the money in an online savings account will earn him 4.85% annual interest

Interest earned in online account = 2000 * 4.85% = 2000 * 0.0485 = 97

He will be charged $3 every time he makes an ATM withdrawal.

In online account, the interest is 97 . If he withdraws 18 times then

Total ATM fee is 18 * 3= 54 . so 97 - 54 = 43

43 is lower than 44 that is interest of local account.

Therefore, 18 ATM withdrawals make local savings account to be a better deal than the online savings account every year.

3 0
3 years ago
Read 2 more answers
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