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beks73 [17]
3 years ago
13

The diameter of a circle is 4 units. What is the radius of the circle? units

Mathematics
1 answer:
shtirl [24]3 years ago
6 0

Answer:

2 units

Step-by-step explanation:

the radius is always half the diameter

d = 2r

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<img src="https://tex.z-dn.net/?f=%283.25%20%2B%20%5Cfrac%7B2%7D%7B7%7D%20%29%20%5Cdiv%20%28%20%5Cfrac%7B3%7D%7B5%7D%20%5Ctimes%
Ainat [17]

Answer:

99/14

Step-by-step explanation:

(3.25 + 2/7) / ( 3/5 * 5/6)=(3.25+2/7) / (1/2)=(3.25+2/7)*2=(99/28)*2=99/14

8 0
3 years ago
A ship sails on a bearing of 020° for 30 km.
zepelin [54]

Answer:

The ship travels approximately 10.261 meters to the East.

Step-by-step explanation:

At first we introduce a graphical description of the statement as an attachment below. Let suppose that bearing is respect to the North-direction, then the change in position in the East direction is modelled by the following Trigonometric formula:

x = r\cdot \sin \theta (1)

Where:

r - Distance travelled by the ship, measured in kilometers.

\theta - Bearing angle, measured in sexagesimal degrees.

x - Distance component in the east direction, measured in kilometers.

If we know that r = 30\,km and \theta = 20^{\circ}, then the distance in the East direction is:

x = (30\,km)\cdot \sin 20^{\circ}

x \approx 10.261\,m

The ship travels approximately 10.261 meters to the East.

7 0
3 years ago
Is this a proportional relationship c=7n+2
just olya [345]

Answer:

no

Step-by-step explanation:

A proportional relationship must go through (0,0)

c=7n+2

0 = 7(0) +2

0 = 2

This is not true so it is not a proportional relationship

8 0
3 years ago
A rectangular garden is 45 feet wide and 70 feet long. On a blueprint, the width is 9 inches. Identify the length on the bluepri
sweet [91]

A rectangular garden is 45 ft wide and 70 ft long. On a blueprint, the width is 9 in. Identify the length on the blueprint.

<h2><u>14in </u></h2>

4 0
3 years ago
mary bought a bag of jelly beans there were 24 green ones which made up 8% of all the jelly beans in the bag howmany jelly beans
dimulka [17.4K]
There were 300 jelly beans in the bag. that includes the green ones.

6 0
3 years ago
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