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aleksandr82 [10.1K]
3 years ago
15

1. Here is a circle. Points A, B, C, and D are drawn, as

Mathematics
1 answer:
Darya [45]3 years ago
8 0

The area of the circle is approximately 50

<h3>Areas</h3>

The area of a shape is the amount of space occupied by the shape

<h3>Area of circle</h3>

Given the three radius of the circle, the area of the triangle is calculated using:

Area = \pi r^2

From the figure, we have:

AD = 4 --- the radius

So, we have:

Area = \pi r^2

Area = 3.14 \times 4^2

Area = 50.24

Approximate

Area = 50

Hence, the area of the circle is approximately 50

Read more about areas at:

brainly.com/question/10117243

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PLEASE HELP WILL GIVE 30 POINTS
Butoxors [25]

To solve this problem you must apply the proccedure shown below:

a) You must sum terms with same exponents, therefore, you have that the sum of these two polynomials is:

(x^{2}-4x+5)+(7x^{2}+2x-3)

8x^{2} -2x+2

b) First, you must mulitply the signs of the second polynomial by the negative sign, and them, you apply an algebraic sum. Therefore, the result is:

(7x^{2}+4x-6-2x^{2}+3x-1)  \\ 5x^{2} +7x-7

The answers are: a)8x^{2} -2x+2; b) 5x^{2} +7x-7

7 0
4 years ago
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Homework kills guys, please help
Kazeer [188]

Answer:

The correct answer is in bold below written in two different ways. I think that the two middle options of your problem were given by mistake. The correct answer is not in the options.

Step-by-step explanation:

cost of yogurt = cost of toppings + cost of yogurt with 1 topping

cost of yogurt with 1 topping = $3.65

cost of yogurt = cost of toppings + 3.65

cost of 1 additional topping = $0.45 * 1

cost of 2 additional toppings = $0.45 * 2

cost of x additional toppings = $0.45 * x = 0.45x

Since 1 topping is included in the $3.65 charge, if you pay for x additional toppings, you will have x + 1 total number of toppings. That means you must pay for only x - 1 additional toppings to have a total of x toppings.

One topping is already included in the $3.65 charge, so you pay for only x - 1 additional toppings.

cost of x - 1 additional toppings = 0.45(x - 1)

cost of yogurt = 0.45(x - 1) + 3.65

y = 0.45(x - 1) + 3.65

y = 0.45x - 0.45 + 3.65

y = 0.45x + 3.2

8 0
3 years ago
N/54 = 4/9 i need the answer mowwwwwwwwwwwwww
azamat

Answer:

24

Step-by-step explanation:

n/54 = 4/9                     Multiply both sides of the equation by 54

(n/54)*54 = (4/9) * 54    Divide both sides by 9

x = 216/9                        Do the division

x =  24

6 0
3 years ago
Read 2 more answers
Flowers sell for $15 per dozen. which equation represents y, the total cost of flowers for dozens?
Sveta_85 [38]

8*15+9*8=192   $8 = $136. For each $8 dozen replaced by a $15 dozen, the total price increases $7.

3 0
4 years ago
The measure of arc BD is —
slamgirl [31]

C is the correct answer if this a geometric question. Check and see if it's correct.

7 0
4 years ago
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