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Kipish [7]
3 years ago
9

Jacob rode his bicycle 8 km in 2 h, stopped to change a flat tire, and then completed his trip by riding 4 km in 1.2 h.

Mathematics
1 answer:
o-na [289]3 years ago
4 0
I think it would be 3.2 hope this help 
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An artist creates a​ cone-shaped sculpture for an art exhibit. If the sculpture is 5 feet tall and has a base with a circumferen
tatyana61 [14]

Answer:

The volume of the sculpture is 67.824 ft^3

Step-by-step explanation:

In this question, we are to calculate the volume of a conical sculpture, given the height of the sculpture and the circumference of the base.

Mathematically, the volume V of the sculpture is given by;

V =1/3 * π * r^2 * h

Now, we have the height directly from the question but we do not have the value of the radius.

We can obtain the value of the radius from the circumference of the base

Mathematically, the circumference C of the base of the cone is given by;

C = 2 * π * r

Inputing the value of the circumference, we have;

22.608 = 2 * 3.14 * r

r = 22.608/(2 * 3.14)

r = 22.608/6.28

r = 3.6 feet

Now plugging these values into the volume equation, we have

V = 1/3 * 3.14 * 3.6^2 * 5

V = 67.824 ft^3

6 0
4 years ago
Simplify the expression (5÷5) ÷ 5 * (5^2 - 5)
Katyanochek1 [597]

[ Answer ]

\boxed{\bold{4}}

[ Explanation ]

  • Simplify / Solve: (5 ÷ 5) ÷ 5 · (5^{2} - 5)

--------------------------------

  • Rewrite

\frac{\frac{5}{5} }{5}(5^{2} - 5)

  • Apply Rule (\frac{a}{a} = 1): \frac{5}{5} = 1

\frac{1}{5}(5^{2} - 5)

  • Multiply Fractions

\frac{1 \ * \ 5^{2 \ - \ 5} }{5}

  • Simplify

1 · (5^{2} - 5) = 20

  • Simplify

= \frac{20}{5}

  • Divide

20 ÷ 5

  • Answer

= 4

\boxed{\bold{[] \ Eclipsed \ []}}

3 0
4 years ago
Write the equation of the line passing through (−1, 0) and (0, −3).
e-lub [12.9K]

Answer:

C

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 1, 0) and (x₂, y₂ ) = (0, - 3)

m = \frac{-3-0}{0+1} = - 3

note the line crosses the y- axis at (0, - 3) ⇒ c = - 3

y = - 3x - 3 ← in slope- intercept form

Add 3x to both sides

3x + y = - 3 ← in standard form → C

8 0
3 years ago
Read 2 more answers
Doing a test please help
Ainat [17]

Answer:

The answer is C

Step-by-step explanation:

Hope this helps.

3 0
3 years ago
Read 2 more answers
you are going to sell your cakes for £2.25 each. how much money will you make if sell all of your cakes
pishuonlain [190]
How many cakes do you have, just get a calculator and multiply the number of cakes by 2.25 to get the total amount of money.
5 0
3 years ago
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