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Lunna [17]
3 years ago
11

How many times dose 21 go i, to 39?

Mathematics
1 answer:
Andrew [12]3 years ago
5 0
If you want the answer youse a calculator or do 21 divided by 38
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If each point in the diagram can act as an endpoint, how many distinct line segments can be formed using the set of points
sdas [7]

Answer:

Option D 6 is the answer.

Step-by-step explanation:

the given points are A, D, C and B. If each point in the diagram can act as end points, we have to calculate number of distinct line segments formed.

This ca be calculated in two ways.

(1) We will form the line segments

AB, AC, AD, BC, BD, DC

Therefore 6 segments can be formed.

(2) By combination method

Number of segments = ^{4}C_{2}

= \frac{4!}{2!2!}=\frac{4\times 3\times 2\times 1}{(2\times 1)\times (2\times 1)}

= \frac{4\times 3}{2\times 3}=\frac{12}{2}

= 6

Option D 6 is the answer.

8 0
3 years ago
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A number divided by and then the quotient is increased by 8. the result is 33. write and solve an equation to find each number
yanalaym [24]

Answer:

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3 years ago
A can of chili has a radius of 5.25 cm and a height of 13 cm. find the volume
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Answer:

1125.67

Step-by-step explanation:

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Patel is solving 8x2 + 16x + 3 = 0. Which steps could he use to solve the quadratic equation? Select three options. 8(x2 + 2x +
AnnyKZ [126]

The options Patel has to solve the quadratic equation 8x² + 16x + 3 = 0 is x = –1 Plus or minus StartRoot StartFraction 5 Over 8 EndFraction EndRoot.

<h3>Quadratic equation</h3>

8x² + 16x + 3 = 0

8x² + 16x = -3

8(x² + 2x) = -3

  • Using completing the square

8(x² + 2x + 1) = -3 + 8

  • factorization

8(x² + 1) = 5

(x² + 1) = 5/8

  • Taking the square root of both sides

(x + 1) = ± √5/8

x = -1 ± √5/8

Therefore,

x = –1 Plus or minus StartRoot StartFraction 5 Over 8 EndFraction EndRoot

Learn more about quadratic equation:

brainly.com/question/1214333

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During which two months do both the Northern and Southern Hemispheres receive the same amount of energy from the Sun?
Drupady [299]

Answer: The correct answer is March and September

pls mark brainliest

6 0
3 years ago
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