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KatRina [158]
3 years ago
9

A pair of sunglasses has 2 lenses. Each lenses has a radius of 3.5 inches.

Mathematics
1 answer:
melisa1 [442]3 years ago
4 0

Answer:

Area = π×(3.5)^2+ π×(3.5)^2

=76,96902001295 inch²

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Find ten solutions to the linear equation to the linear equation 1/2x+y=5
yuradex [85]

Answer:

(0,5), (2,4), (4,3), (6,2), (8,1), (10,0), (12,-1), (14,-2), (16,-3), (18,-4), and (20,-5)

Step-by-step explanation:

The given linear equation is :

\frac{1}{2} x + y = 5

Or

y =  -  \frac{1}{2} x + 5

Any ordered pair that satisfies this equation is a solution.

When x=0,

y =  -  \frac{1}{2}  \times 0 + 5 = 5

(0,5) is a solution

When x=2,

y =  -  \frac{1}{2}  \times 2+ 5 = 4

(2,4) is a solution.

When x=4,

y =  -  \frac{1}{2}  \times 4+ 5 = 3

(4,3) is a solution;

When x=6:

y =  -  \frac{1}{2} \times 6+ 5 = 2

(6,2).

When x=8,

y =  -  \frac{1}{2}  \times 8 + 5 = 1

Another solution is (8,1)

When x=10,

y =  -  \frac{1}{2}  \times 10 + 5 = 0

(5,0) is a solution

When x=12,

y =  -  \frac{1}{2}  \times 12+ 5 =  - 1

(12,-1) is a solution.

When x=14,

y =  -  \frac{1}{2}  \times 14+ 5 =  - 2

When x=16, we get:

y =  -  \frac{1}{2}  \times 16 + 5 =  - 3

When x=18, we get:

y =  -  \frac{1}{2}  \times 18+ 5 =  - 4

7 0
4 years ago
The CPI value in January 2009 was 211.143; the CPI value in January 2014 was 233.916. What was the 5-year inflation rate between
inna [77]

Answer:

211.143 233.916 Inflation rate: fo. Application of the formula to the inputs: IR = ?? -$0.10. Sample problem: The CPI value in January 2009 was 211.143

Step-by-step explanation:

8 0
3 years ago
Find the product of 2.4 x 29.6
Oduvanchick [21]
I believe the correct answer would be:

71.04
8 0
3 years ago
Read 2 more answers
Please help quick!<br> Solve for x.<br><br> x = ln ex=lne
mixas84 [53]

Answer:

x = 1

Step-by-step explanation:

x = ln (e)

We know that the natural log and the exponential function are opposites

They cancel out and leave 1

x =1

3 0
3 years ago
Read 2 more answers
you are working on a project for school. the project will take 12 hours to finish in all. so far, you have worked on the project
nasty-shy [4]

Answer:

6 hours and 45 minutes

Step-by-step explanation:

First, convert 12 hours into minutes.

12*60=720

Convert 5 hours to minutes and add 15

5*60=300+15=315

Subtract 720 from 315.

720-315=405

Convert into hours and minutes.

405/60=6.75

0.75 of an hour is 45 minutes so the answer is 6 hours and 45 minutes.

7 0
3 years ago
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