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BigorU [14]
3 years ago
5

To the nearest tent what the area of a circle whose diameter is 9 feet? Use 3.14 for x Please help :’(((( will give 25pts

Mathematics
2 answers:
makkiz [27]3 years ago
8 0

Answer:

area of circle =πr²

Step-by-step explanation:

3.14×4.5×4.5

63.585 in ft

Fynjy0 [20]3 years ago
6 0

Step-by-step explanation:

Diameter of circle = 9 ft

Therefore, radius = 9/2 = 4.5 ft

area \: of \: circle  \\ = \pi {r}^{2}  \\  = 3.14 \times  {4.5}^{2}  \\  = 3.14 \times 20.25 \\  = 63.585 \\  = 63.6 {ft}^{2}  \\

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Ages Number of students
lions [1.4K]

The relative frequency for the class with lower class limit 31 is 8.57%.

<h3>How to calculate the frequency?</h3>

It should be noted that the lowrr class frequency is 31 in this case.

Therefore, the relative frequency for the class with lower class limit 31 will be:

= 3/(6+4+4+9+3+9) × 100

= 3/35 × 100

= 8.57%

Therefore, the relative frequency for the class with lower class limit 31 is 8.57%.

Learn more about frequency on:

brainly.com/question/254161

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7 0
1 year ago
Look at the diagram. If ST = 15 and RT = 40, then RS =_____.<br><br> R———————S——————T
butalik [34]
RS would be equal to 25 because 15 + 25 = 40
5 0
3 years ago
% of $44 = $33<br> Submit
Lerok [7]

Answer:

75%

Step-by-step explanation:

44*75% = 33

3 0
3 years ago
What is the value of q in the equation 5q-10=75
Alex

Answer:

q=17

Step-by-step explanation:

5q-10=75

add 10 to both sides to cancel out -10 on the left side

5q-10+10=75+10

5q=85

divide both sides by 5 to get rid of the 5 in 5q

5q/5=85/5

resulting in:

q=17

5 0
3 years ago
Two angles are complementary. The measure of ∠ABC is x° and the measure of ∠DBC is (3x + 10)°. What is the value of x?
beks73 [17]
42.5 I think

3x+10+x=180
4x=170
170/4=x
X=42.5
5 0
3 years ago
Read 2 more answers
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