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Vsevolod [243]
3 years ago
6

Aremethic sequences 5, 7, 9, 11, 13

Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
8 0
The sequence 2 is being added ....so next set of numbers we be 15, 17, 19, 21, 23.... and so forth
GrogVix [38]3 years ago
5 0
The sequence is all odd numbers. the next will be 15, 17, 19, 21, etc...
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Winston has $200. He spends 20% of his money on a pair of shoes. how much money did he spend on the pairs of shoes?
masha68 [24]

Answer:

$40

Step-by-step explanation:

200 - 20% = 160

200 - 160 = 40

3 0
2 years ago
Help on number 9 please!
lutik1710 [3]

2x+2

Work:

Factor 2x^2+10x+12: 2(x+2)(x+3)

Cancel all x+3, leaving 2(x+2)

2x+2

4 0
2 years ago
Janine has job offers at two companies. one company offers a starting salary of $28,000 with a raise of $3000 each year . the ot
ollegr [7]
After nine years the salaries will be the same
28000   3600031000   3800034000   4000037000   4200040000   4400043000   4600046000   4800049000   5000052000   52000
7 0
3 years ago
Dmitri wants to cover the top and sides of this box with glass tiles that are 1 cm square. How many tiles will he need? Dmitri w
marta [7]

The number of tiles needed to cover the surface area of the box excluding the bottom is: 1,046 tiles.

<h3>What is the Surface Area of a Box?</h3>

The surface area of a box is the area surrounding all its faces. A box has 6 rectangular faces. Therefore, the total surface area of the box equals the sum of all 6 rectangular faces.

<h3>What is the Surface Area of a Box?</h3>

SA = 2(lw + lh + hw), where:

  • l = length
  • w = width
  • h = height of the box

The image attached below shows the box Dmitri wants to cover. Since the bottom of the box would be excluded, therefore:

The surface area to be covered = surface area of the box - area of the bottom rectangular face

The surface area to be covered = 2(lw + lh + hw) - (l)(w)

l = 26

w = 15

h = 8

Substitute

The surface area to be covered = 2(l×w + lh + hw) - (l)(w) = 2·(15·26+8·26+8·15) - (26)(15) =

The surface area to be covered = 1436 - 390 = 1,046 cm

Area of one tile = 1 cm square

Number of tiles needed = 1,046/1

Number of tiles needed = 1,046 tiles.

Learn more about Surface Area of a Box on:

brainly.com/question/26161002

#SPJ1

7 0
1 year ago
A biologist took a count of the number of migrating waterfowl at a particular lake, and recounted the lake's population of water
taurus [48]

Quadratic function ( in standard form ):

y = a x² + b x + c

x = 0:

635 = 0 + 0 + c

c = 635

x = 1:

644 = a + b + 635

a + b = 9

x = 2:

719 = 4 a + 2 b + 635

4 a + 2 b = 84

and now we have a system:

a + b = 9   /  * ( - 2 )

4 a + 2 b = 84

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

- 2 a + 2 b = - 18

+

 4 a + 2 b  = 84

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

  2 a = 66

 a = 33;   b = - 24;

 Function is:

 f ( x ) = 33 x² - 24 x + 635

f ( 8 ) = 33 * 64 - 24 * 8 + 635 = 2,112 - 192 + 635 = 2,555

 Answer: The number of waterfowl on week 8 would be 2,555.

 

8 0
2 years ago
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