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Leni [432]
3 years ago
6

Maria and her friend ride their bikes. They start at 12:47 and end at 2:29. How long did they ride their bikes for?

Mathematics
1 answer:
IRINA_888 [86]3 years ago
4 0

Answer:

Their bide ride was 1 hour and 42 minutes

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Which of the following can be used to calculate the volume of water inside the fish bowl?
Lunna [17]

The volume of a sphere can be calculated as

V=\frac{4}{3}\pi r^3

Where r is the radius of the sphere

We want to calculate half of the volume, then we must divide that volume by 2

V^{\prime}=\frac{1}{2}\frac{4}{3}\pi r^3

Now we must find the radius of our sphere, the segment AB is the diameter of the sphere, and the radius is half od the diameter, then

r=\frac{AB}{2}=\frac{12}{2}=6

Let's put it into our equation

\begin{gathered} V^{\prime}=\frac{1}{2}\left(\frac{4}{3}\right)(\pi)(r)^3 \\  \\ V^{\prime}=\frac{1}{2}\left(\frac{4}{3}\right)(\pi)(6)^3 \end{gathered}

The problem says to use

\pi\approx\frac{22}{7}

Then

V^{\prime}=\frac{1}{2}\left(\frac{4}{3}\right)\left(\frac{22}{7}\right)(6)^3

Final answer:

The formula that can be used to calculate the volume of water inside the fish bowl is

V=\frac{1}{2}\left(\frac{4}{3}\right)\left(\frac{22}{7}\right)(6)^3

8 0
1 year ago
Help plz with the last questions !!! Thxs
irina1246 [14]

ok but I don't know what it is

3 0
3 years ago
What is the axis of symmetry of a quadratic and how is it related to its vertex?
zheka24 [161]

Answer:

It goes through the vertex

Step-by-step explanation:

The axis of symmetry is an imaginary line that runs vertically or horizontally through the vertex depending on which way the parabola or hyperbola is facing.

Brainliest please.

7 0
3 years ago
Value-Mart is advertising a Back-to-school sale on pencils. A pack of 30 sells for $7.97, whereas a 12-pack of the same brand co
Schach [20]
You can see that the price of the first pack is less than twice the price of the second whereas you get lot more than twice much more pencils for it (30>24) so the first deal is clearly way better.
4 0
3 years ago
Solve the equation for x.<br> 0=1/3x-2
Serjik [45]

Answer:

0=1/3x−2

Rewrite the equation as 1/3x−2=0.

1/3x−2=0 Combine 13 and x.

x/3−2=0

Add 2 to both sides of the equation.

x/3=2 Multiply both sides of the equation by 3.

3⋅x/3=3⋅2

Simplify both sides of the equation.

x=6

Step-by-step explanation:

8 0
2 years ago
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