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2 years ago

Find the length of the missing side. Leave your answer in simplest radical form.

Mathematics

1 answer:

vfiekz [6]2 years ago

8 0

Answer:

Step-by-step explanation:

1) learn the Pythagoras theorem which is $a{2} +b{2} =c{2}$

2) to work out the longest length you do $4^2+3^2$ which is 25

3) than you do the square of 25 which is 5 so the answer is 5

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Natalia solved the problem 74.4/12=6.2. complete the model with partial products check Natalia's work using multiplication

tia_tia [17]

Answer:

Natalia's work is wrong.

Step-by-step explanation:

Natalia divided a decimal number by an entire number. Since division is a operation derived from multiplication, the best approach to check if work was good is multiplying the given result by denomination, that is:

1) $x = 6.2\times 12$ Given.

2) $x = \left(6+0.2\right)\times 12$ Definition of addition.

3) $x = 6\times 12 + 0.2\times 12$ Distributive property.

4) $x = 72 + \frac{2}{10}\times 12$ Definitions of multiplication and decimal number.

5) $x = 72 +[2\cdot (10)^{-1}]\cdot 12$ Definition of division/Associative property.

6) $x = 72 + [2\cdot 12]\cdot (10)^{-1}$ Associative property.

7) $x = 72 + 24\cdot 10^{-1}$ Definition of multiplication.

8) $x = 72 + \frac{24}{10}$ Definition of divsion.

9) $x = 72 + 2.4$ Defintion of decimal number.

10) $x = 74.4$ Definition of addition/Result

Natalia's work is wrong.

5 0

2 years ago

IF A CHICKEN FARM SOLD 3,000 DOZEN EGGS LAST WEEK HOW MANY INDIVIDUAL EGGS WERE SOLD?

weeeeeb [17]

There are 250 eggs sold by not grouped in dozens

8 0

2 years ago

Read 2 more answers

the width of a rectangle is the length minus 2 units. The area of the rectangle is48 units. What is the width, in units, of the

tatuchka [14]

Answer:

Step-by-step explanation:

put unknown as y

area of rectangle = width × long

y(y - 2)=48

y² -2y =48

u can use scientific calculator to find this

y²-2y-48=0

(y-8)(y+6)=0

y=8 y=-6

take the positive value and ignore the negative value

width=y-2 long=8

8-2=6

I hope this help you :)

6 0

2 years ago

A B C OR D PLEASE HELP !!!!!!!!!!!!!!!!!!!!!!!!!!! I REALLY APPRECIATE

ddd [48]

Answer: B

Step-by-step explanation: Okay so you add 6m and 1m to get 7m for that entire side. Then you have 3m on each side that is slanted. You finally add 5m.

7m + 3m + 3m + 5m = 18m^2

4 0

2 years ago

The length of a rectangle is half the width. The area is 25 square meters

salantis [7]

Answer:

width= 5sqrt2 meters

length= 5/sqrt2 meters

Step-by-step explanation:

7 0

2 years ago