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djverab [1.8K]
3 years ago
9

Use the diagram to answer the questions. what is the area of the circle in terms of pi?

Mathematics
1 answer:
stepan [7]3 years ago
7 0

Answer:121

Step-by-step explanation:

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Find the value of 5.8 ÷ 1.2.<br> A. 6.96<br> B. 4.6<br> C. 5.24<br> D. 4.83
Wittaler [7]
5.8 = 58/10 = 29/5 ;
1.2 = 12/10 = 6/5;
(29/5) ÷ (6/5) = (29/5) × (5/6) = 29/6 = 4.83;
The correct answer os D.
3 0
3 years ago
2x² - 6x +11=0<br> Identify the values of a, b , c in the quadratic equation
Anna71 [15]

Answer:

a = 2, b = - 6, c = 11

Step-by-step explanation:

The standard form of a quadratic equation is

ax² + bx + c = 0 : a ≠ 0

Compare the coefficients of the terms in standard form to

2x² - 6x + 11 = 0 ← in standard form

Thus a = 2, b = - 6 and c = 11

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3 years ago
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Add, write answers as a decimal 3/4 + 0.66
Marianna [84]

Answer:

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Step-by-step explanation:

3/4 = 75/100 = 0.75

0.75 + 0.66 = 1.41

4 0
3 years ago
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Formulate a system of equations that could be solved by multiplying one equation by 5 and then adding the two equations together
rjkz [21]
\ \ \ 5 \ (-\frac{1}{5} a = 10 - b) \\ + (2a = 5b -20) \\ \\ a = 30

5× the first equation + the second equation will give an equation of 'a' to its value.
4 0
3 years ago
If x-a is a factor of polynomial x3-mn2-2nax+na2 prove that a=m+n and a is not = 0
marshall27 [118]

Step-by-step explanation:

hope this helps

pls mark me brainliest

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3 years ago
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