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Rama09 [41]
2 years ago
5

Select the correct answer.

Mathematics
1 answer:
abruzzese [7]2 years ago
7 0

The general form of the equation for the given circle centered at O(0, 0) is x² +y² - 41=0.

The correct option is (B).

<h3>What is equation of circle?</h3>

The general equation for a circle is ( x - h )² + ( y - k )² = r², where ( h, k ) is the center and r is the radius.

as, general equation for a circle is ( x - h )² + ( y - k )² = r²

Here,  centered at O(0, 0).

So,

a =0 and b = 0

now, r² = (BO)²

r² = (4-0)² +(5-0)²

r²  = 16+25

r² = 41

Hence, Center at the origin passing through B(4, 5) is x² +y² = 41.

Learn more about equation of circle here:

brainly.com/question/4519762

#SPJ1

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Mary bowled six games this week. Her scores were 138,151,198,147,156, and 173. What was her average for those
erica [24]

The average of scores is 160.5

Step-by-step explanation:

Mean is the sum of all values divided by the number of values.

Given scores are:

138,151,198,147,156, and 173

The formula for average score is given by:

Avg = \frac{Sum}{items}

Putting values

Avg = \frac{138+151+198+147+156+173}{6}\\Avg = \frac{963}{6}\\= 160.5

The average of scores is 160.5

Keywords: Mean, Average

Learn more about mean at:

  • brainly.com/question/8811218
  • brainly.com/question/853574

#LearnwithBrainly

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4 years ago
Write 3/10ths as a decimal​
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Whenever finding a decimal out of a fraction divide the numerator by the denominator.
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In a school of 300 students, 110 offered French, 110 Hausa language, 180 history, 40 French and Hausa, 50 Hausa and history, 60,
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Step-by-step explanation:

a

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3 years ago
"solve each system by graphing"
garik1379 [7]
Put them into y=mx+b
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Sarah needs 30 liters of a 25% acid solution how many liters of the 10% and the 30% acid solutions should she mix to get what sh
sweet-ann [11.9K]

Answer:

7.5 L of 10% solution and 22.5 L of 30% solution

Step-by-step explanation:

Volume of 10% solution plus volume of 30% solution = total volume of 25% volume.

x + y = 30

Acid in 10% solution plus acid in 30% solution = total acid in 25% solution.

0.10 x + 0.30 y = 30 × 0.25

0.10 x + 0.30 y = 7.5

Solve the system of equations, using either substitution or elimination.  I'll use substitution:

x = 30 − y

0.10 (30 − y) + 0.30 y = 7.5

3 − 0.10 y + 0.30 y = 7.5

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y = 22.5

x = 30 − y

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Sarah needs 7.5 L of 10% solution and 22.5 L of 30% solution.

8 0
3 years ago
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