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Luda [366]
3 years ago
15

What is the area of the large circle?

Mathematics
1 answer:
OLEGan [10]3 years ago
7 0

Answer:

7.07

Step-by-step explanation:

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he local newspaper has letters to the editor from 30 people. If this number represents 2% of all of the​ newspaper's readers, ho
marta [7]
Answer: 1500 readers
explanation: all readers take up 100%
100/50=2
100% / 50 = 2%
2% x 50 = 100%
30 x 50 = 1500 readers
7 0
4 years ago
Helppppppppppppppppppppp
Nastasia [14]

Answer:

Step-by-step explanation:

1) 5 - [-5] = 5 + 5 = 10

2)8 - 13 = 8 + (-13) = -5

3) 12 +(-3) = 9

4) x + (-7) = 5

   x - 7 = 5

        x = 5 + 7

x = 12

We need to add 12 to (-7) to get 5

5) 7 - x = -5

    7 = -5 +x

  7 + 5 = x

    12 = x

We need to take away 12 to 7 to get (-5)

6) 7 - (-10) = 7 + 10 = 17

17° C

8 0
3 years ago
Triangle abc has the angle mesausres shown. Which statement is true about the angles?
Umnica [9.8K]

Answer:

m∠A = 20°

Step-by-step explanation:

Given that the sum of the angles of any triangle is 180°, adding the expressions of each angle and setting them equal to 180° will give the value of 'x' and allow you to evaluate the angles.  

2x + 5x + 11x = 180

18x = 180

18x/18 = 180/18 or x = 10

m∠A = 2x or 2(10) = 20°

m∠B = 5x or 5(10) = 50°

m∠C = 11x or 11(10) = 110°

Out of the choices given, the only one that is true is that m∠A = 20°.

8 0
3 years ago
Pls help, i really need help with. i will mark brainliest with the best/correct answer!!!
Ne4ueva [31]

Answer:

Number 1 is 12.

Step-by-step explanation:

{Solve by cross multiplication}

17 • x = 3 • (80 - x)

{Multiply 3 by distribution,}

17x = 240 - 3x

{Add 3x to both sides of the equation,}

20x = 240

{Divide through out by 20,}

20r/20 = 240/20

x = 12

Thus there were 12 pens :)

6 0
3 years ago
What is the area of this shape?
Andrej [43]

Answer:82cm^2

Step-by-step explanation:

Area of shape=area of big rectangle + area of small rectangle

Length of big rectangle=10

Width of big rectangle=7

area=length x width

area of big rectangle=10x7

area of big rectangle=70

Length of small rectangle=4

Width of small rectangle=10-7=3

Area=length x width

area of small rectangle=4x3

area of small rectangle=12

Area of shape=70+12

Area of shape=82cm^2

4 0
4 years ago
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