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3 years ago

(01.05 LC)Which fraction is equivalent to negative 3 over 7?

Mathematics

2 answers:

kumpel [21]3 years ago

5 0

Answer:

2. 3 over negative 7

Step-by-step explanation:

Nastasia [14]3 years ago

3 0

2. 3 over negative 7

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7b-2/5=6b-7/5 nudfghnkdfbvugyteugdyvbbbvybhjedfs

sveta [45]

Answer:

b=−1

Step-by-step explanation:

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3 years ago

The mayor of the city of San Diego wants to increase taxes to invest in a modern transit system. She hires a polling agency to s

sasho [114]

Answer:

Step-by-step explanation:

Part A: What is the population in this survey?

The population in this context is the total number of registered voters in the whole city of San Diego.

Part B: What is the population parameter

The population parameter in this survey is the maximum percentage increase in municipal taxes that they would approve.

Part C: What is the sample in this survey?

The sample in this survey is the randomly selected 650 registered voters in the city.

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4 years ago

A grasshopper chirp 25 times in 15 seconds. How many times were a grasshopper chirp in two hours

Mumz [18]

Answer:

2 hours = 7200 seconds

7200/15 = 480

25x480 = 12000 chirps in 2 hours

Step-by-step explanation:

3 0

3 years ago

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A cylinder has a base with radius 8cm and height 15cm. What is the volume of the cylinder? Use 3.14 for a (volume of a cylinder.

Lynna [10]

Answer:

????////

Step-by-step explanation:

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3 years ago

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A central angle of a circle is 90 degrees. If the diameter of the circle is 12 cm, what is the area of the segment created by co

Yanka [14]

<h3>The area of the segment created by connecting the two points on the circle created by the angle described is 28.26 square centimeter</h3>

<em><u>Solution:</u></em>

Given that,

A central angle of a circle is 90 degrees

diameter of the circle is 12 cm

radius = 12/2 = 6 cm

To find: Area of segment

<em><u>The area of sector when angle is in degrees is:</u></em>

$Area\ of\ sector = \frac{\theta}{360} \times \pi r^2$

Where,

r is radius

$\theta$ is angle in degrees

Therefore,

$Area\ of\ sector = \frac{90}{360} \times 3.14 \times 6^2\\\\Area\ of\ sector = 0.25 \times 3.14 \times 36\\\\Area\ of\ sector = 28.26$

Thus area of the segment created by connecting the two points on the circle created by the angle described is 28.26 square centimeter

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4 years ago