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3 years ago

The area of a rectangle with a length of 12m and a width if 4m is ________square meters.

Mathematics

2 answers:

adelina 88 [10]3 years ago

6 0

Answer:

48 square meters

Step-by-step explanation:

cause if u 4m x 12m =48

olchik [2.2K]3 years ago

4 0

Answer:

48 square meters

Step-by-step explanation:

The equation used to solve this is a= wl (area equals length times width)

Therefore, all you have to do is multiply 12 and 4 to get the area of the rectangle.

12 times 4= 48

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5. In a dilation what mathematical operation is used with th scale factor?

xxMikexx [17]

Step-by-step explanation:

multiplication is the mathematical operation used with scale factor

6 0

3 years ago

The hundreds digit and the ones digit of a three digit number are the same. The sum of its tree digits are 16. If the tens digit

tensa zangetsu [6.8K]

Step-by-step explanation:

Let us denote the three digit number by $abc$ , where $a$ is the hundreds digit, $b$ is the tens digit and $c$ is the ones digit.

Hundreds digit = $a$ = Ones digit = $c$

Sum of digits = $a+b+c=16$

So, $2c+b=16$

On exchanging tens and ones digit, value increases by 45. So $acb$ is 45 greater than $abc$ .

$acb-abc=45$

$100a+10c+b-100a-10b-c=45\\9c-9b=45\\c-b=5$

$2c+b=16,c-b=5\\3c=21\\c=7=a\\b=2$

∴ Required number is 727

7 0

3 years ago

Drag each number to show whether it is equal to 90 percent, 90/100,or neither

victus00 [196]

9%= 9/100
9/10= 90%
.9= 90%
90/10= other
.9%= other
.09= 9/100

7 0

3 years ago

Read 2 more answers

The circular opening of a vase has an inside diameter of 13.5 cm.

Sunny_sXe [5.5K]

Answer:

$Area = 143cm^2$

Step-by-step explanation:

Given

Shape: Opening of a circular vase

$Diameter =13.5cm$

$\pi = 3.14$

Required

Determine the area

This opening implies a circle; hence the area will be calculated using area of a circle.

$Area = \pi r^2$

Solve for radius (r)

$r = \frac{d}{2}$

$r = \frac{13.5\ cm}{2}$

$r = 6.75\ cm$

Substitute 6.75 for r in $Area = \pi r^2$

$Area = 3.14 * 6.75^2$

$Area = 143.06625$

$Area = 143cm^2$ --- Approximated

4 0

3 years ago

X^2-3x-28=0 what are the roots

Oksi-84 [34.3K]

Answer:

$\large\boxed{x=-4\ \vee\ x=7}$

Step-by-step explanation:

$x^2-3x-28=0\\\\x^2+4x-7x-28=0\\\\x(x+4)-7(x+4)=0\\\\(x+4)(x-7)=0\iff x+4=0\ \vee\ x-7=0\\\\x+4=0\qquad\text{subtract 4 from both sides}\\x=-4\\\\x-7=0\qquad\text{add 7 to both sides}\\x=7$

8 0

3 years ago