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3 years ago

Please help plzzzzz

Mathematics

2 answers:

zmey [24]3 years ago

6 0

Answer:

Area of the circle= 9π cm²

Step-by-step explanation:

Area of the square = 36cm²

Let the length of each sides of the square be l cm

Therefore, l²= 36cm²

=> l=6cm

length of the square=diameter of the circle

Hence, radius=6/2=3cm

Area of the circle=πr²=π(3)²=9π cm²

inessss [21]3 years ago

5 0

Answer:

9π

Step-by-step explanation:

The area of the square is 36 so the side length is 6 because $\sqrt{36}$ =6 so

the diameter of the circle is 6 and the radius is 3

the area of a circle is πr² so

3²π=

9π

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How many triangles can be formed with the angle measures: 20, 70, and 90 degrees?

sveta [45]

Answer:

A right triangle with degrees 20, 70, 90.

Step-by-step explanation:

6 0

3 years ago

VMariaS [17]

Answer:

2x=180

Step-by-step explanation:

3 0

3 years ago

Amelie solves the following system of equations.

PIT_PIT [208]

The values of x and y that satisfy this system of equations are 10 and 5 respectively

<h3>Simultaneous equation</h3>

Given the system of equations

x + y = 20

3x - 3y = 30

_____________________

x + y = 20

x - y = 10

Add the equations

2x = 20 + 10

2x = 30

x = 30/2

x = 15

Substitute

x -y = 10

15 - y = 10

y = 5

Hence the values of x and y that satisfy this system of equations are 10 and 5 respectively

Learn more on simultaneous equation here: brainly.com/question/16863577

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3 0

2 years ago

Find lim x→3 sqrt 2x+3-sqrt 3x/ x^2-3x. you must show your work or explain your work in words plsss I need help

sineoko [7]

I'm assuming the limit is supposed to be

$\displaystyle\lim_{x\to3}\frac{\sqrt{2x+3}-\sqrt{3x}}{x^2-3x}$

Multiply the numerator by its conjugate, and do the same with the denominator:

$\left(\sqrt{2x+3}-\sqrt{3x}\right)\left(\sqrt{2x+3}+\sqrt{3x}\right)=\left(\sqrt{2x+3}\right)^2-\left(\sqrt{3x}\right)^2=-(x-3)$

so that in the limit, we have

$\displaystyle\lim_{x\to3}\frac{-(x-3)}{(x^2-3x)\left(\sqrt{2x+3}+\sqrt{3x}\right)}$

Factorize the first term in the denominator as

$x^2-3x=x(x-3)$

The $x-3$ terms cancel, leaving you with

$\displaystyle\lim_{x\to3}\frac{-1}{x\left(\sqrt{2x+3}+\sqrt{3x}\right)}$

and the limand is continuous at $x=3$ , so we can substitute it to find the limit has a value of -1/18.

7 0

3 years ago

2. A clothing truck is shaped like a rectangular prism. The volume of the truck 576 ft cubed. The length of the truck is 12 ft,

dezoksy [38]

Answer:

The height of the clothing truck is 6 feet

Step-by-step explanation:

Length of truck = 12 feet

Width of truck = 8 feet

Let h be the height of truck

Volume of truck which is shaped like rectangular prism = $Length \times Width \times Height$

Volume of truck which is shaped like rectangular prism = $12 \times 8 \times h$

We are given that The volume of the truck 576 ft cubed.

So, $12 \times 8 \times h = 576$

$h = \frac{576}{12 \times 8}$

h=6

Hence the height of the clothing truck is 6 feet

3 0

3 years ago

Please help plzzzzz​

Please help plzzzzz