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IrinaVladis [17]
3 years ago
12

Sandra, Robert and some other friends had a total of $73. Sandra spent $28 on videos and Robert spent $14 on videos.How much mon

ey did the group have after Sandra and Robert bought the videos?
Mathematics
1 answer:
zloy xaker [14]3 years ago
4 0
The group will have 73-28-14 = 31 dollars will be lefy
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B.Imagine you are 1 of the people who left the luncheon with a contagious disease and interacted with an average of 9 different
Zanzabum

Answer:

5380839  infected

Step-by-step explanation:

Let's do the calculations day by day, we have:

Day 1

That person spread 9 people.

Day 2

Each of the nine people infect 9 others, plus that person infected 9 others, therefore it would be:

9 + 9 + 9 + 9 + 9 + 9 + 9 + 9 + 9 = (9 x 9) + 9 = 9 ^ 2 + 9 (assume this number as first term + second term)

Day 3

By the end of day 2, there were a total of 9 ^ 2 persons (first term) will infect 9 each, which makes this figure:

 9 ^ 2 + 9 ^ 2 + 9 ^ 2 + 9 ^ 2 + 9 ^ 2 + 9 ^ 2 + 9 ^ 2 + 9 ^ 2 + 9 ^ 2 = 9x9 ^ 2 = 9 ^ 2. The second term will now become 9 ^ 2, plus another 9 infected by the person who started it all. Therefore it would remain:

9 ^ 3 + 9 ^ 2 + 9

Following the sequence would be:

Day 4

9 ^ 4 + 9 ^ 3 + 9 ^ 2 + 9

Day 5

9 ^ 5 + 9 ^ 4 + 9 ^ 3 + 9 ^ 2 + 9

 Day 6

9 ^ 6 + 9 ^ 5 + 9 ^ 4 + 9 ^ 3 + 9 ^ 2 + 9

Day 7

9 ^ 7 + 9 ^ 6 + 9 ^ 5 + 9 ^ 4 + 9 ^ 3 + 9 ^ 2 + 9 = 5380839

Which means that in total there would be 5380839  infected

5 0
3 years ago
Multiply (x+2)(x2−3x +4)
stepladder [879]

Step-by-step explanation:

Using FOIL, we have

(x + 2)(x² - 3x + 4)

= (x³ - 3x² + 4x) + (2x² - 6x + 8)

= x³ - x² - 2x + 8.

7 0
3 years ago
John's monthly paycheck consists of $4000 plus a 9% commission on all of his sales. During one month, John earned $11,650. What
jasenka [17]
Hey there!

Your question states:

 <span>John's monthly paycheck consists of $4000 plus a 9% commission on all of his sales. During one month, John earned $11,650. What were his sales during that month?
</span>
We don't want to 9% to really trick us.

We just do 11,650 - 4,000 = 7,650.

Now, we can adjust everything.

That 9% of the commission on the sales was worth . . . 

7,650

Your correct and clarified answer would be . . .

\boxed{\boxed{\boxed{7,650}}}

Hope this helps.
~Jurgen

7 0
3 years ago
Read 2 more answers
Enter the ratio as a fraction in lowest terms <br><br> 5ft to 58 in.
MrMuchimi

Answer:

30/29

Step-by-step explanation:

5 feet is 5*12 = 60 inches

Fraction is (60 in)/(58 in)

(60 in)/(58 in) = 30/29

8 0
2 years ago
Please help last one today
murzikaleks [220]
7 28/30 is the answer
4 0
3 years ago
Read 2 more answers
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