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kompoz [17]
3 years ago
12

What is the measure of the arc represented by the numbers 6 and 11 on a clock face?

Mathematics
2 answers:
Marat540 [252]3 years ago
8 0
150; because 6-11 is almost 180, but it’s not quite there, so it’s a little less
Solnce55 [7]3 years ago
4 0
The answer is to this is 150
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The two shapes have the same area. Work out the perimeter of the rectangle.
elena-14-01-66 [18.8K]
You need to do this in several steps.

1) Using the given length and width of the rectangle, find its area.
2) Then using the base and height of the triangle, find its area.
3) Since the areas are equal, set the expressions equal to each other, and solve for x.
4) Using the value of x you found, find the length and width of the rectangle and find its perimeter.

1) The area of the rectangle is A = LW
Area of Rectangle = (x + 2)x = x^2 + 2x

2) The area of the triangle is A = (1/2)bh
Area of Triangle = (1/2)(24)x = 12x

3) Set the areas equal and solve for x

x^2 + 2x = 12x

x^2 - 10x = 0

x(x - 10) = 0

x = 0 or x = 10

Since a width cannot be 0, we discard x = 0, and keep x = 10.

4) The length is x + 2 = 10 + 2 = 12
The width is x = 10

The perimeter is 2(L + W) = 2(10 + 2) = 2(22) = 44

The perimeter is 44 cm.
4 0
3 years ago
I need help with this ASAP!!
Gwar [14]

Answer:

A) 3;  B) 1116 m²; C) 24 m³; D) 1/27

Step-by-step explanation:

A) Scale factor

The scale factor is the ratio of the heights of the two pyramids.

h₂/h₁ = 24/8 = 3

B) Surface area

The ratio of the surface areas is the square of the scale factor.

A₂/A₁ = 3²

A₂/124 = 9

A₂ = 124 × 9 = 1116 m²

The volume of the larger pyramid is 1116 m².

C) Volume

The ratio of the volumes is the cube of the scale factor.

V₂/V₁ = 3³

648/V₁ = 27

648 = 27V₁

V₁ = 648/27 = 24 m³

The volume of the smaller pyramid is 24 m³.

D) Volume ratio

V₁/V₂ = 24/648 = 1/27

The volume ratio is 1/27.

5 0
3 years ago
Look at the model. What division does it show
Alex
That showed be 20/6 which is 3 with a reminder of 2
7 0
3 years ago
Find the vertex of f(x)= x^2+ 6x + 36<br><br><br> Pls help soon
lutik1710 [3]

Answer:

vertex(-3,27)

Step-by-step explanation:

f(x)= x^2+ 6x + 36 ( a=1,b=6,c=36)

V(h,k)

h=-b/2a=-6/2=-3

k=f(-3)=3²+6(-3)+36

f(-3)=9-18+36=27

vertex(-3,27)

6 0
3 years ago
The population of algae in an
Westkost [7]

Given:

Initial population = 100 algae

Growth rate = 30% per day.

Time = 5 days

To find:

The future amount of population.

Solution:

The exponential growth model is

y=a(1+r)^t

where, a is the initial value, r is the rate of interest in percent and t is time period.

Substituting the given values, we get

y=100(1+\dfrac{30}{100})^5

y=100(1+0.30)^5

Now, solve this.

y=100(1.30)^5

y=100(3.71293)

y=371.293

Therefore, the future value is 371.293 algae.

4 0
3 years ago
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