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monitta
3 years ago
13

GeoA Test 3-1 3-2 Version 1

Mathematics
1 answer:
prohojiy [21]3 years ago
8 0
I don’t see anything what do you need help with?
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A sector with a central angle measure of 4pi/5
ELEN [110]

Answer: the area is 20 square centimeters.

Step-by-step explanation:

The area of an arc of angle x in a circle of radius r is:

A = (x/3.14)*3.14*r^2 = x*r^2

here we have x = (4/5)*3.14 and r = 5cm

Then the area is:

A = (4/5)*(5cm)^2 = 20cm^2

4 0
3 years ago
Read 2 more answers
What is the function rule for the line?
ludmilkaskok [199]

A: Slope:  

2

3

y-intercept:  

(

0

,

−

2

)

x

y

0

−

2

3

0

6 0
2 years ago
A store has a sale with 30% off every item. When you enter the store, you receive a coupon that states that you receive an addit
sergey [27]

Answer:

No, It is not equal to a 60% discount.

Step-by-step explanation:

Think of this. I go into a store and everything is 50% off and I have a coupon myself that is a 50% off discount for a specific item. It may seem like the item is now free, but it isn't. Imagine the item was $1 before any discount. Then the store took 50% off of the $1, leaving it at $0.50. So now with my discount of 50% off the item I will be taking this 50% off of $0.50 = my final discounted cost of $0.25.

Hope I helped you understand :)

6 0
3 years ago
Jill makes $450 per week working in the human resources department. What is her annual salary?
mixer [17]

you didnt give much context but excluding breaks she might get it should be 24,400

450(x). x being weeks in a year (52)

5 0
2 years ago
X - y = 2<br><br> x + y = -3<br> Solve this using elimination<br> Quickly please!!!!
blagie [28]
The answer for x=-1
The answer for y=-5/2

I believe these are correct
7 0
2 years ago
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