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shusha [124]
3 years ago
6

Length and breadth of a rectangle is 28 and 20 respectively. It's perimeter is ....... *

Mathematics
2 answers:
Allushta [10]3 years ago
6 0

Answer:

2×20+2×28=40+56=96

96 is the answer

vampirchik [111]3 years ago
3 0

Answer:

96

Step-by-step explanation:

Because the perimeter of a rectangle is 2 * (length) + 2 * (breadth),

P = 2 * 28 + 2 * 20

P = 56 + 40 = 96

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Simplify the following expression 4^-11/3÷4^-2/3<br>A.1/12<br>B.1/64<br>C.12<br>D.64​
Goryan [66]

Question:

Simplify the following expression:

4^{-\frac{11}{3}÷4^{-\frac{2}{3} }

A.1/12

B. 1/64

C.12

D.64

Answer:

B. 1/64

7 0
3 years ago
A container is filled with water. This container has a small hole. After 20 minutes the amount of water in the container is 600
Grace [21]

Answer:

100 minutes and yes

Step-by-step explanation:

4 0
2 years ago
in a fundraiser, Mrs. Smith pledges $1 for each mile walked . if Sam walks 20 miles how much will Mrs. Smith donate? what is yhe
EleoNora [17]
Mrs. Smith donated $20
The constant proportionality is $1 because no matter what, Mrs. smith will donate $1 for each mile. So if Sam were to only walk 1 mile, mrs. smith would donate $1. Or seen as a 1:1 proportion.
5 0
3 years ago
What is the sum of 3 consecutive odd integers is -39
trapecia [35]
Answer: The three consecutive odd integers are:  -15, -13, and -11 .
_______________________________________________________
Explanation:
_____________________________________________
  x + (x + 2) + (x + 4) = -39 ;
_____________________________________________
 in which "x" is one of the integers, 
           "(x + 2)" is the next consecutive odd integer;
           "(x + 4)"  is the third consecutive odd integer.
__________________________________________
By solving for "x", we can solve for each of three (3) consecutive odd integers.
________________________________________________________
     x + (x + 2) + (x + 4) = -39  ;
_________________________________________________________
          1x + 1x + 2 + 1x+ 4 = -39 ;
_____________________________________________________  
                   3x + 6 = -39 ;
______________________________________________
               Subtract  "6" from EACH side of the equation:
______________________________________________
                    3x + 6 − 6  =  -39 <span>− 6 ;
____________________________________________________
        to get:   3x = -45 ;
____________________________________________________
           Divide EACH side of the equation by "3" ;
____________________________________________________
                 3x / 3 = -45 / 3 ;
_____________________________________________________
        to get:   x = -15 ;
______________________________________________________
     x + 2 =  -15 + 2 = -13 ;
_______________________________________________________
     x + 4 =  -15 + 4 =  -11 .
___________________________________________________
Are: -15, -13, and -11 ;  Consecutive odd integers?  YES!
___________________________________________________
Does:  -15 + (-13) + (-11)  =? = -39 ??
_____________________________________________________
           -15 </span>− 13 <span>− 11 = ? 39 ??  YES!
____________________________________________________
Answer: The three consecutive odd integers are:  -15, -13, and -11.
_______________________________________________________</span>
4 0
3 years ago
A saleswoman earns 20% commision on all the merchandise that she sells. Last month she sold $900 worth of merchandise. How much
KengaRu [80]

Given:

Last month sales = $900

Rate of commission = 20%

To find:

How much commission (in dollars) did she earn last month?

Solution:

We have, 20% rate of commission. So, the commission for the last month is equal to 20% of last month sales $900.

\text{Commission}=\dfrac{20}{100}\times 900

\text{Commission}=20\times 9

\text{Commission}=180

Therefore, the commission for the last month is $180.

3 0
3 years ago
Read 2 more answers
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