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Lapatulllka [165]
4 years ago
12

The radius of a sphere is 9cm. Volume= Round to the nearest tenth

Mathematics
2 answers:
Serggg [28]4 years ago
6 0

Answer: 3053.63 sq. cm.

Step-by-step explanation:

Volume = 4/3π x r^3

= 4/3 x π x 9^3

= 4/3 x π x 729

= (4π x 729) / 3

= 4π x 243

= 972π

= 3053.63

Schach [20]4 years ago
5 0

Answer:

3053.6

Step-by-step explanation:

pls mark as brainliest

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Angel and Jayden were at track practice. The track is 2/5 kilometers around.  Angel ran 1 lap in 2 minutes.  Jayden ran 3 laps
choli [55]

Answer:

6/25 km in 1 min; or 0.24 km/min

Step-by-step explanation:

The info about Angel is not necessary.

Jayden runs 3 laps in 5 mins

Each lap is 2/5 km, so Jayden runs 3 x (2/5 km) in 5 min = 6/5 km in 5 min.

Distance = rate x time

6/5 km = rate (5 min)

We want to isolate r (rate), so divide both sides by 5 min

6/5 km ÷ 5 min = r

6/5 km (1/5 min) = r

6/25 km/min = r  (notice how the units worked out correctly to km/min)

So, Jayden runs 6/25 km in 1 min.

7 0
3 years ago
Read 2 more answers
I need help with this please
Anna [14]
Multiply the base × height to find the area of each
5 0
4 years ago
Oliver deposited $1,640.70 in a savings account that earns 2.6% simple interest. What will Oliver's account balance be in 8 mont
Evgesh-ka [11]
The answer would probably be the last one cuz it’s true and it has more then one thing
8 0
3 years ago
Ben and Susan are truck drivers who start at the same location. Ben drives 300 miles due west and Susan drives 160 miles due sou
Paul [167]

Answer:

Ben and Susan will be 340 miles apart

Step by Step Solution

Step 1: We plot the problem on a graph to visualize the problem

Step 2: We notice that the problem creates a right triangle with the distance Ben and Susan travel as the legs of the right triangle

Step 3: We can use the Pythagorean Theorem: a²+b²=c² to solve the distance between Ben and Susan

Step 4: We enter the numbers into the formula

a² + b² = c²

300² + 160² = c²

90000 + 25600 = c²

115600 = c² *square root both sides

c = 340

Therefore Ben and Susan are 340 miles apart

8 0
3 years ago
In parallelogram ABCD, m∠BAC = 40.62°and m∠BCA = 30.96°. What is m∠BAD?
KatRina [158]
The answer is letter a.  m∠BAD = 108.42<span>° 

The solution is as follows:
If </span>m∠BAC = 40.62° and m∠BCA = 30.96°, then
m∠CBA = 180° -  m∠BCA - <span>m∠BAC
</span>m∠CBA = <span>108.42°
</span>
Since m∠BAD = m∠CBA  due to the parallelogram's property, 
<span>m∠BAD</span> = <span>108.42°.</span>
4 0
4 years ago
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