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lozanna [386]
3 years ago
14

The surface area of a cone is 43.75 cm2 what is the slant height of the cone ? The base diameter is 5

Mathematics
1 answer:
kramer3 years ago
5 0
<span>The first step in finding the surface area of a cone is to measure the radius of the circle part of the cone. The next step is to find the area of the circle, or base. The area of a circle is 3.14 times the radius squared (<span>πr2</span><span>). Now, you will need to find the area of the cone itself. In order to do this, you must measure the side (slant height) of the cone. Make sure you use the same form of measurement as the radius.

You can now use the measurement of the side to find the area of the cone. The formula for the area of a cone is 3.14 times the radius times the side (</span>πrl<span>).

So the surface area of the cone equals the area of the circle plus the area of the cone and the final formula is given by:</span>

<span>SA = πr2<span> + πrl</span></span><span><span>
</span></span></span>


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Wewaii [24]

Answer:

(2,-2)

(10,-10)

(2,-9)

(7,-10)

Step-by-step explanation:

The given point is (2,-10)

This point is in the fourth quadrant.

To be able to use the number line to find the distance between this point , (2,-10) and another point in the fourth quadrant, the second point must have the same x-coordinate with this point or the same y-coordinate with this point.

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3 years ago
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NEED HELP ASAP solve for x : 3/5 = x-1/8 <br>a.5 b.29/5 c.23/5 d.19/5
Levart [38]

Answer:

<h3>\boxed{ \sf{ \bold{ \huge{ \boxed{ \frac{29}{5} }}}}}</h3>

Option B is the correct option.

Step-by-step explanation:

\sf{ \frac{3}{5}  =  \frac{x - 1}{8} }

Apply cross product property

⇒\sf{ 5(x - 1) = 3 \times 8}

Distribute 5 through the parentheses

⇒\sf{5x - 5 = 3 \times 8}

Multiply the numbers

⇒\sf{5x - 5 = 24}

Move 5 to right hand side and change it's sign

⇒\sf{5x = 24 + 5}

Add the numbers

⇒\sf{5x = 29}

Divide both sides of the equation by 5

⇒\sf{ \frac{5x}{5}  =  \frac{29}{5} }

⇒\sf{x =  \frac{29}{5} }

Hope I helped!

Best regards!!

8 0
3 years ago
Find the length of the side of a square with a perimeter of 128 meters​
iren2701 [21]

Answer:

32 Meters

Step-by-step explanation:

A square has 4 equal sides so all you have to do is divide 128 by 4

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3 years ago
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Airline fares for a flight from Dallas to Austin are $30 for first class and $25 for tourist class. If a flight had 52 passenger
posledela

There were 40 tourist class passengers and 12 first class passengers.  

Explanation:

Let the number of passengers who booked for tourist class be

=

x

Then, number of passengers who booked for first class

=

52

−

x

According to question,

Total money paid = $25(tourist class)+$30(first class)  

$

1360

=

$

25

(

x

)

+

$

30

(

52

−

x

)

1360

=

25

x

+

1560

−

30

x

1360

−

1560

=

25

x

−

30

x

−

200

=

−

5

x

x

=

−

200

−

5

x

=

40

So, there were 40 tourist class passengers.

Now first class passengers

=

52

−

x

=

52

−

40

=

12

∴

There were 40 tourist class passengers and 12 first class passengers.  

As a check

Total money paid = $25(tourist class)+$30(first class)  

R

H

S

=

$

25

(

40

)

+

$

30

(

12

)

$

1000

+

$

360

=

$

1360

L

H

S

=

$

1360

Hence verified.

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x=3

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26x+57=45x

57=19x

x=57/19

x=3

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