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alekssr [168]
3 years ago
15

Plz help, it is mathswatch

Mathematics
1 answer:
nasty-shy [4]3 years ago
6 0

Answer:

2000 x 0.03 = 60

2000 + 60 = 2060

2060 x 0.03 = 61.8

2060 + 61.8 = 2121.8

Step-by-step explanation:

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When deriving the quadratic formula by completing the square, what expression can be added to both sides of the
liubo4ka [24]

Answer:

The element you add is      b^2 / 4a

Step-by-step explanation:

The element you add is      b^2 / 4a

Remember that

a x^2 + bx +c  \\= a ( x^2 +(b/a)x ) + c

So, in order to complete the square you add   (b/2a)^2

But when you multiply times  a   you get

b^2 / 4a

7 0
2 years ago
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A solid cylindrical metal is melted and recast into cubes of metal of sides 3cm . The base radius of the initial cylindrical met
Orlov [11]

Answer:

Approximately 809 cubes will be made

Step-by-step explanation:

To calculate the number if cubes to be made, we shall need to calculate the volume of both shapes

The volume of the cubes can be calculated using the formula L^3 = 3 * 3 * 3 = 27 cm^3

For the cylinder, the formula of the volume to use is

V = π * r^2 * h

The radius here is 10.5 cm and the height is 63 cm

V = 22/7 * 10.5^2 * 63 = 21,829.5 cm^3

The number of cubes that can be made is calculated by dividing the volume of the cylinder by that of the cube

That is 21,829.5/27 = 808.5 which is 809 to the nearest whole number

6 0
3 years ago
Laura makes $9 per hour working at Starbucks. She can also expect to make an additional $3 in tips for one day. It
snow_tiger [21]

Answer:four

Step-by-step explanation:

8 0
2 years ago
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What is the perimeter and area for the glowing figure?
nadya68 [22]

Answer:

Area=15

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Step-by-step explanation:

First, section the shape off by easier work with shapes.

The two end triangles can then form one large rectangle that is 5in. x 3in.

Next just multiply the length times the width for the area which is 15 in., and add all of the sides up, which will give you 16 in.

8 0
2 years ago
I have no idea how to do this please helo
sesenic [268]

Step-by-step explanation:

(x - 2) \times 180 \\ (10 - 2) \times 180 = 8 \times 180  \\  = 1440 \\ forone \: angle =  \frac{1440}{10}  = 144 \\ thank \: you

3 0
2 years ago
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