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jolli1 [7]
3 years ago
12

a 50 centermeter piece of wire is bent into a circle what is the area of this circle round to the nearest whole number use 3.14

for pie ​
Mathematics
2 answers:
VikaD [51]3 years ago
6 0
When a wire is bent to form a circle then its length represents the circumference of the circle formed. Therefore in our case the circumference of the circle is 50 cm. we can use this to determine the radius of the circle and then determine the area. Circumference of a circle is given by \pi × diameter, (\pi = 3.142)
thus diameter will be given by 50 cm ÷ 3.142 = 15.9134 cm
the radius will be 15.9134 ÷2 = 7.9567 cm or ≈ 7.96 cm
The area of a circle is given by \pi × square of radius
Area = 3.142 × 7.96×7.96 = 199.0821 square cm
Thus the area of the circle formed is ≈ 199.08 square cm ( 2 decimal places)
Llana [10]3 years ago
3 0

Answer:

The answer would be: 199.08 cm^2

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Aubreys dinner cost $85 she tips the waitstaff 30% for excellent service
Pavel [41]

Answer:

25.5

Step-by-step explanation:

4 0
3 years ago
During a scuba dive, Lainey descended to a point 19 feet below the ocean surface. She continued her descent at a rate of 25 feet
Leno4ka [110]

Answer:

25t+19\leq 144

t\leq5

The number of minutes she can continue to descend if she does not want to reach a point more than 144 feet below the ocean surface is <u>at most 5 minutes.</u>

Step-by-step explanation:

Given:

Initial depth of the scuba dive = 19 ft

Rate of descent = 25 ft/min

Maximum depth to be reached = 144 ft

Now, after 't' minutes, the depth reached by the scuba dive is equal to the sum of the initial depth and the depth covered in 't' minutes moving at the given rate.

Framing in equation form, we get:

Total depth = Initial Depth + Rate of descent × Time

Total depth = 19+25t

Now, as per question, the total depth should not be more than 144 feet. So,

\textrm{Total depth}\leq 144\ ft\\\\19+25t\leq 144\\\\or\ 25t+19\leq 144

Solving the above inequality for time 't', we get:

25t+19\leq 144\\\\25t\leq 144-19\\\\25t\leq 125\\\\t\leq \frac{125}{25}\\\\t\leq 5\ min

Therefore, the number of minutes she can continue to descend if she does not want to reach a point more than 144 feet below the ocean surface is at most 5 minutes.

7 0
3 years ago
Please Solve This Problem For Me<br><br> x^2 + 5^2 = 7^2<br><br> (^2 Means Squared)
Triss [41]
X^2+5^2=7^2
x^2+25=49
(49-25)
x^2=24
sqrt(24)=4.89897948557
7 0
3 years ago
What percent of this grid is shaded
faltersainse [42]

Answer:

The 4th one cuz it’s a percent

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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jok3333 [9.3K]
Well i don't know if this will help but slope intercept form


y=mx+b


M-slope
B-Y intercept
and
(x,y)- would be any point on the graph and if you were to plug those points in for x and y the equation would solve if done properly
6 0
4 years ago
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