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JulsSmile [24]
3 years ago
15

Please answer quick.​

Mathematics
2 answers:
Ivanshal [37]3 years ago
7 0

Answer:

3. 42

4. 38.729833462074

Step-by-step explanation:

id.k if number 4 is right

have a good day!

Irina18 [472]3 years ago
5 0

Answer:

3. 42

4. 38.7

Step-by-step explanation:

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jolli1 [7]
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7 0
4 years ago
Read 2 more answers
An object travels along a circular path so that it completes one revolution in 8 seconds. If the linear velocity of the object i
natima [27]

Answer:

Using the concept of speed-distance-time, we find that the diameter of the circular path is 12 inches.

Step-by-step explanation:

Given that the object completes one revolution in 8 seconds. So, the circular speed of the object is 2πr/8 = πr/4 inches per seconds, where r is the radius of the circular path. The speed can be written as:

πr/4 inches per seconds = 60πr/4 inches per minute = 15πr inches per minute.

But, it is given that the circular speed of the object is 90π inches per minute. So,

90π = 15πr

r = 6 inches

Since, diameter is the double of radius, d = 2r = 12 inches.

For more explanation, refer the following link:

brainly.com/question/17978382

#SPJ10

4 0
2 years ago
Some friends plotted the locations of their house on a map. brianna's house is at (1,6), Jordan's house is at (5,3). What is one
Rufina [12.5K]
Let
A (1,6)------> location <span>brianna's house on a map
B </span>(5,3)------> location Jordan's house on a map

we know that
One possible path from brianna's house to jordan's house it's a straight line  ( <span>the shortest distance)</span>

using a graph tool
see the attached figure

find the distance points AB
d=√[(y2-y1)²+(x2-x1)²]-----> d=√[(3-6)²+(5-1)²]----> d=√[3²+4²]
d=√25----> d=25 units

the distance from brianna's house to jordan's house is 25 units

4 0
3 years ago
What is 2/5 of 26 ?
grandymaker [24]
2/5 × 26 equals 10.4
4 0
3 years ago
In one U.S city, the taxi cost is $2 plus $0.60 per mile. If you are traveling from the airport, there is an additional charge o
anzhelika [568]

Answer:

60 miles

Step-by-step explanation:

Let

x ----> the number of miles  

we know that

The number of miles multiplied by $0.60 per mile plus $2 plus the charge of $5.50 for tolls (because you are travelling from the airport)  must be equal to  $43.50

so

The linear equation that represent this problem is

0.60x+2+5.50=43.50

Solve for x

Combine like terms left side

0.60x+7.50=43.50

subtract 7.50 both sides

0.60x=43.50-7.50

0.60x=36

divide by 0.60 both sides

x=60\ miles

5 0
3 years ago
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