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trapecia [35]
3 years ago
9

The image below is a triangle drawn inside a circle with center o. which of the following expressions shows the area in square i

nches of the circle?
A: 3 x 3.14 x 2 ^2

B: 3.14 x 3 ^2

C: 3.14 x 2 ^2

D: 3.14 x 3


< btw can you provide an explanation while answering? I’m a bit lost here lol thank you

Mathematics
1 answer:
Lana71 [14]3 years ago
8 0

Answer:

the answer is 3.14 x 3 ^2

Step-by-step explanation:

the radius is half of 6 so 3 then add pi so 3.14 x 3 ^2

use this same concept for other similar question just divide  the full length of the circle in half the radius the just look for the answer that has the radius pi and squared

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What expression can be used to find the total discount? Select all that apply. 0.3*42 or 3/10*42 or 0.03*42 or 3 *4.2
ehidna [41]

0.3*42   this gives you a 30% discount

3/10*42  this gives you a 30% discount

0.03*42 this gives you a 3% discount

3 *4.2  This is not a  discount

6 0
3 years ago
Write the slope intercept form of the equation of the line through the given points. (5,-1) and (-5,2)
Lelu [443]

Answer:

y=-\frac{3}{10} x+\frac{1}{2} or -\frac{3}{10}

Step-by-step explanation:

first use the y2-y1/x2-x1 formula then use y=mx+b after

plug in 2 for y2 and -1 for y1

plug in -5 for x2 and 5 for x1

\frac{2-(-1)}{-5-5}=

2+1=3

-5-5=-10

-\frac{3}{10} is ur slope

_____________________

this is the y=mx+b formula *extra info ig*

i usually use the first point for this but u can use watever point u want

plug in 5 for x

plug in -1 for y

and plug -3/10 for m

-1=-3/10(5)+b

-3/10*5=-3/2

-1=-3/2+b

add -3/2 on both sides

-1+3/2=1/2

1/2=b and b is ur y-intercept

y=-3/10x+1/2

hope this helps

7 0
3 years ago
Hello Please help me.
Mama L [17]
A because the rest are just adding or multiplying
4 0
2 years ago
A large container holds 5 gallons of water. It begins leaking at a constant rate. After 20 minutes, the container has 3 gallons
jeka57 [31]

The container will take 25 minutes to go from full to empty.

Explanation:

In 15 minutes, the container has lost 3 gallons of water (

5

−

2

=

3

).

Since the leak is at a constant rate, we can determine that every five minutes the container loses one gallon.

So for the container to lose the full 5 gallons will take 25 minutes (

5

×

5

=

25

)

4 0
3 years ago
What is the value of a in the equation 3 a plus b equals 54, when b equals 9?
NikAS [45]

Answer:

a = 15

Step-by-step explanation:

Given

3a + b = 54 ← substitute b = 9

3a + 9 = 54 ( subtract 9 from both sides )

3a = 45 ( divide both sides by 3 )

a = 15

5 0
3 years ago
Read 2 more answers
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