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Lelu [443]
3 years ago
10

Which of the following pairs of expressions could represent consecutive odd numbers?

Mathematics
1 answer:
iVinArrow [24]3 years ago
3 0
N and n+2 because if n=1 then you do 1+2 and that equals 3. So then you have 1,3
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Can you help me please!!!!<br>please!!!! :)​
Anastasy [175]

Answer:

Qn.1

{4,5,6,7,8,9,12,15,16}is ans of 1

{8,9}is ans of 2

{4,5,6,7,8,9,18,20}is ans of 3

{}Is the ans of 4

{8,9,12,15,16,18,20}is ans of 5

{}is ans of 6

{4,5,6,7,8,9,12,15,16,18,20} is ans of 7

{8,9,12,15,16} is ans of 8

Qn.2

{0,12}is ans of 9

{0,2,10,12}is ans of 10

{0,4,6,8,12}is ans of 11

{2,4,6,8,10}Is ans of 12

{}is ans of 13

{0,12}is ans 14

{0,12} is ans 15

{0,2,10,12} is ans of 16

{0,12} is ans of 17

{0,12} is ans of 18

{2,10} is ans of 19

{4,6,8} is ans of 20

I haven't made the symbol of union and intersection because i don't how to make.

it may help you at your work

4 0
3 years ago
A cleaning company charges a fixed amount for a house call and a second amount for each room it cleans. The total cost to clean
yanalaym [24]

Answer:

$110

Step-by-step explanation:

Let the fixed amount charged be f and the amount charged to clean a room be r.

To clean six rooms , the company would charge the following, the fixed amount for the call plus the amount charged per room multiplied by 6 which of course is 6r.

Writing this in equation form,

f + 6r = 250

In likewise manner, same applies for 8 rooms.

this gives f + 8r = 320

We now have 2 equations that we will need to solve simultaneously

f + 6r = 250........(i)

f + 8r = 320........(ii)

We subtract equation ii from I to yield

2r = 70, hence r = 70/2 = 35.

We now substitute this in equation 1

f + 6(35) = 250

f + 210 = 250

f = 250 - 210 = 40

Hence, we now know that the amount charged per call is $40 while the amount charged to clean a room is $35.

We now calculate the amount charged by the company to clean 2 rooms.

This is mathematically = f + 2r

40 + 2(35) = $110.

6 0
3 years ago
Who weighed more at the beginning of the show? *
Jobisdone [24]

Answer:

We need more information to answer this question, I'd gladly help if there was some more data.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What set of transformations are applied to parallelogram ABCD to create A'B'C'D'?
allochka39001 [22]

Answer:

  Reflection across the x-axis

Step-by-step explanation:

The only apparent transformation is negation of the y-coordinate, corresponding to reflection across the x-axis.

3 0
3 years ago
A tour director collected $258 for 13 tour packages tour packages a cost $18 into a package requires $22 how many of each tour p
Lena [83]

Answer:


Step-by-step explanation:

X+Y = 13

 

$18 + $22 = $258

OR

18X+22Y=258

 

18X + 22(13 - X) = 258

 

18X + 286 - 22X  = 258

 

286 - 4X  = 258

 

-4X= 258 - 286

 

-4X = -28

 

X= 7

Y=6

 7 of the X tour  packages & 6 of the Y tour  packages

4 0
3 years ago
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