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4 years ago

Plz help it’s hard for me

Mathematics

1 answer:

Viefleur [7K]4 years ago

5 0

3x=+2y=2,940

Is the equation needed
x=large
y=medium

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What is the side length, s, of the square? A= 81 m2

Alborosie

Answer:

The side length is 9 m

Step-by-step explanation:

The area of a square is given by

A = s^2

81 = s^2

Take the square root of each side

sqrt(81) = sqrt(s^2)

9 =s

The side length is 9 m

4 0

4 years ago

Which list shows all the factor pairs of 72?

Anna007 [38]

Answer:

The answer is C.

Step-by-step explanation:

The answer is C. because for A. 4 * 13 is 52 not 72. For B. 7 * 9 is not 72 its 63. and D. It does not have 4 and 18.

5 0

3 years ago

Can some please help me, I have no idea what the answer is

Degger [83]

Answer:

f(0)= 3-2^0 --> 3-1 =2

f(-1)= 3 - 2^-1 --> 3 - 1/2 -->5/2 = 2,5

Step-by-step explanation: F(0) means if x=0 so the first you just take x and replace it with 0 and the second you replace x by -1.

Something that is elevated by 0 is always going to be 1

Hope this make sense :)

5 0

3 years ago

A triangle has a 60 degree angle, and the two adjacent sides are 12 and 12 times the square root of 3. Find the radius of a circ

Natasha_Volkova [10]

The radius of the circle is a line from the center of the circle to its circumference

The radius of the circle with the same vertex as a center is 10.16 units

<h3>How to determine the radius</h3>

From the question, we understand that:

The adjacent sides of the triangle are 12 and $12\sqrt 3$
The triangle has an angle of 60 degrees

Start by calculating the area of the triangle using:

$Area = 0.5ab\sin C$

So, we have:

$Area = 0.5 * 12 * 12\sqrt 3 *\sin (60)$

This gives

$Area = 0.5 * 12 * 12\sqrt 3 * \frac{\sqrt 3}{2}$

$Area = 108$

The arc divides the triangle into two equal regions.

So, the area of the arc is:

$Arc = 0.5 * Area = 0.5 * 108$

$Arc = 54$

Also, the area of the arc is:

$Arc = \frac{\theta}{360} * \pi r^2$

So, we have:

$Arc = \frac{60}{360} *3.14 * r^2$

Simplify

$Arc = 0.523 * r^2$

This gives

$0.523 * r^2 = 54$

Divide both sides by 0.523

$r^2 = 103.25$

Take the square roots of both sides

$r = 10.16$

Hence, the radius of the circle with the same vertex as a center is 10.16 units

Read more about circumcised triangles at:

brainly.com/question/4268382

5 0

3 years ago

In a survey of 1,200 people who owned a type of car 660 said they would buy the same car again

zzz [600]

Answer:

its 1,200 - 660= 540

Step-by-step explanation:

3 0

3 years ago