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timofeeve [1]
3 years ago
9

What does the value 3 represent in this exponential equation?

Mathematics
1 answer:
Mashcka [7]3 years ago
6 0

Answer:

The base

Step-by-step explanation:

Just did it

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The diagram shows the cross-section of a wall of a cinema. It has to be painted. Work out the area that needs to be painted.
mestny [16]

Answer:

Area = 370 m²

Cost to paint = £105

Step-by-step explanation:

Area of the wall of a cinema hall = Area of a trapezoid (1)+ Area of a rectangle (2) + Area of a trapezoid (3)

Area of a trapezoid = \frac{1}{2}(b_1+b_2)h

where b_1 and b_2 are the parallel sides and h is the distance between these sides.

Area of trapezoid (1) = \frac{1}{2}(11+12)\times 6

                                  = 69 m²

Area of the rectangle (2) = Length × Width

                                         = 12 × 15

                                         = 180 m²

Area of the trapezoid (3) = \frac{1}{2}(12+10)\times 11

                                         = 121 m²

Now area of the wall = 69 + 180 + 121

                                   = 370 m²

One tin covers the area = 25 m²

Number of tins required to paint the wall = \frac{\text{Total area}}{\text{Area covered by one tin}}

= \frac{370}{25}

= 14.8

Therefore, number of tins to be purchased = 15

Cost to paint the complete wall = 15 × £7

                                                       = £105

8 0
3 years ago
What is the greatest common factor of 32 and 48
Maru [420]
The greatest common factor would be 16
3 0
3 years ago
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Which statement describes the graph and system of equations?
Hatshy [7]
<span>c.consistent and independent </span>
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3 years ago
Find the diameter of the circle with the given radius.<br> 5. 20 feet
guajiro [1.7K]

Answer:

40 feet

Step-by-step explanation:

the diameter is just Rx2 (R being the radius)

7 0
2 years ago
Driving 60 miles per hour between Charleston and Columbia, which are 120 miles apart.
Sav [38]
All the hours together are 6 hours
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3 years ago
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