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kvasek [131]
2 years ago
10

Help me with this question please and thank you!!! :):)

Mathematics
1 answer:
kirill [66]2 years ago
3 0

Answer:

A intersection B = ( elements which are common in both)

= ( 2,4,7,19)

A union B = ( all the elements which are either in A or in B).

= ( 2, 4, 7 , 13, 14, 19, 20 , 3, 5, 6, 10,11, 12 , 15,17 , 18 , 19 )

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How many flowers, spaced every 6 in are needed to surround a circular garden with a 150 ft radius.Use 3.14 for pie
kvv77 [185]

Answer:

1884 flowers

Step-by-step explanation:

Radius of the garden=150 ft

To determine the number of flowers needed to surround the circular garden, we first find the perimeter.

\text{Perimeter of a circle=}2\pi r\\\text{Perimeter of the garden=}2X3.14X150=942$ Feet

Since the flowers are spaced every 6 in, we need to convert from inch to feet because we cannot divide different units.

Now, 12 Inch =1 Feet

Therefore, 6 Inch =0.5 feet

To determine the number of flowers, we simply divide the perimeter by 0.5 ft.

Number of flowers=942/0.5

=1884 flowers

5 0
3 years ago
Find the are of the shape below
skelet666 [1.2K]

Answer:

Area is 235

Step-by-step explanation:

Split the shape evenly so 11 x 14 and 9 x 9then multly and add

when slpitting up the number some times you have to add or subtract so to get 9 x 9 we just take 20 then take away 11 due to the line going through 20 and 20 - 11 = 9

9 x 9 = 81

11 x 14 = 154

81 + 154 = 235

or

Simular to the first one but the cutting line is different. this time the line cuts through 14

9 x 20 = 180

11 x 5 = 55

180 + 55 = 235

8 0
2 years ago
What is the ratio of 1:6 and 3:8
butalik [34]

1:6 is the same as 1/6

3:8 is the same as 3/8

6 0
3 years ago
Evaluate m + 7.5 , when m = 8.6
max2010maxim [7]

Hi :)

m is a variable

m is defined as 8.6

substitued m

8.6 + 7.5 = 16.1

7 0
3 years ago
Read 2 more answers
F(x)=4x+2 and g(x)=x-2, find [f-g](x)
iren [92.7K]

Answer:

3x+4

Step-by-step explanation:

[f-g]

={4x+2-(x-2)}

=4x+2-x+2

=4x-x+2+2

=3x+4

7 0
2 years ago
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