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rusak2 [61]
2 years ago
12

A small sphere shaped jar has a 8 cm radius.what is the volume of the bowl

Mathematics
1 answer:
blondinia [14]2 years ago
3 0
To find the volume of a sphere you have to use the equation
V = 4/3 π r³         Substitute in the r value (8)
V = 4/3 π 8³        Simplify the exponent
V = 4/3 π 512     Multiply 4/3 and 8 (In other words ; (4 x 512) / 3)
V = 682.67 π      Multiply
V = 2143.5838 cm³
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Beau buys a skateboard with a price tag of $82.50. The tax rate is 8%. How much does he pay, including tax
madam [21]
8% of $82.50 is $6.60 so 82.50 + 6.60 would equal $89.10 as the total
7 0
2 years ago
A car traveled at a constant speed. The graph shows how far the car traveled, in miles, during a given amount of time, in hours.
snow_tiger [21]

Answer:

Step-by-step explanation:

A car traveled at a constant speed as shown in the graph.

Distance traveled is on the y-axis and duration of travel on the x-axis.

Point A(3.5, 210) shows,

Distance traveled = 210 miles

Time to travel = 3.5 hours

So the point (3.5, 210) shows the distance traveled by the car in 3.5 hours is 210 miles.

Slope of the line = speed of the car = \frac{\text{Distance traveled}}{\text{Time}}

                           = \frac{210}{3.5}

                           = 60 mph

Now we will find the speed of the car at another point B(1, 60).

If the speed of car is same as the point B as of point A, point B will lie on the graph.

Speed of the car at B(1, 60) = \frac{\text{Distance traveled}}{\text{Time}}

                                             = \frac{60}{1}

                                             = 60 mph

Hence, we can say that point B(1, 60) lies on the graph.

8 0
1 year ago
A rope is 66 feet long. It is cut into two pieces such that one piece is half the length of the other. What is the length of the
dedylja [7]
So if one bit of the length, is half the size of the other bit then we can make the following equation, for x being the length of rope:

x + 2x = 66
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That is the length, of the smaller one (half the big one), so 2x = 44. Hence d) is your answer.

Hope I helped!
7 0
2 years ago
Read 2 more answers
Find the sine function that is represented in the graph.
meriva

Answer:

Choice D). f(x)=20\sin(4x) is correct.

Step-by-step explanation:

Given function graph is sinusoidal so let's compare with formula f(x)=A\sin(Bx-C)+D

We know that amplitude is the height from the center line to the peak (or to the trough). From graph we can see that height from the center line to the peak is 20

So amplitude A=20

In that formula, period is given by \frac{2\pi}{B}

From graph we see that period is \frac{\pi}{2}

So both must be equal

\frac{2\pi}{B}=\frac{\pi}{2}

\frac{2}{B}=\frac{1}{2}

cross multiplying them gives

B=4

Clearly there is no shift so C and D are 0

Now plug these values into formula f(x)=A\sin(Bx-C)+D

f(x)=20\sin(4x-0)+0

f(x)=20\sin(4x)

Hence choice D is correct.

6 0
2 years ago
The relationship between money earned and hours worked is linear. Joe computes the slope between (4, 30) and (12, 90), then comp
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Finding the slope of both coordinates, you'll get 15/2. The slopes are the same 
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2 years ago
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