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Zarrin [17]
3 years ago
6

plss help asap Around which line would the following cross-section need to be revolved to create a sphere? circle on a coordinat

e plane with center at 1 on the x-axis and a radius of 1 y = x y-axis x = 1 y = 1
Mathematics
1 answer:
Dmitriy789 [7]3 years ago
4 0

Answer:

The correct option is;

x = 1

Step-by-step explanation:

The parameters given are;

Location of circle center = 1 on the x axis

Radius of circle = 1

Required operation on circle = Revolving to create a sphere

To form a spherical shape by the rotation of a circular figure involves rotating the circular figure about a line passing through the center of the circle

Therefore, to form a sphere, the circle should be about a line that passes through x = 1

Hence, the circle should be rotated about the line x = 1.

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The circle shown has center o and radius 4. what is the area of the shaded region?
Vlad [161]

The ratio of his savings: expenses = 7: 5

So, total of the ratio is = 7 +5 =12

His savings will be 7/12* allowance

His expenses will be 5/12 * allowance

We know that the allowance that he gets is $3

His savings = 7/12 * allowances  

His savings = 7/12 * 3

His savings = $7/4 or 1 ¾  

Now, we convert the 7/4 (or 1 ¾) into a decimal.  

1 ¾ when converted is decimal is 1.75

His Savings = $1.75


3 0
3 years ago
A triangle prism has a base with an area of 45 square inches.The prism also has a length of 61/2 inches.Find the volume of this
Anastaziya [24]
9 times 5 = 45 thats the bases area so now use 9 and 5 to multiply 6.5 in which gets the volume answer wich is 292.5 you are welcome please mark me as brainliest
8 0
3 years ago
A rectangle has a height of w^2 +3w+9 and a width of w^2+2 what’s the area
Natali5045456 [20]

Answer:

Two solutions were found :

w = 1

w = -4

Step-by-step explanation:

w =(-3+√25)/2=(-3+5)/2= 1.000

or:

w =(-3-√25)/2=(-3-5)/2= -4.000

6 0
3 years ago
Read 2 more answers
12% of birr x is 840,what is the value of x​
Diano4ka-milaya [45]

The value of x will be 7000 for the expression 12 % x = 840.

We are given a number x.

We are also given as 12 % of x is 840

writing it in the form of an expression, we get that:

12 % x = 840

12 / 100 × x = 840

12 x = 84,000

Dividing both sides by 12, we get that:

12 x / 12 = 84,000 / 12

x = 7000

Therefore, the value of x will be 7000.

Learn more about an expression here:

brainly.com/question/723406

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3 0
1 year ago
20 POINTSSSS
marta [7]

Step-by-step explanation:

Commission earned

= 1/32 * Total sales

= 1/32 * $24,000

= $750.

4 0
3 years ago
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