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soldier1979 [14.2K]
2 years ago
7

An elevator is on the twentieth floor It goes down 15 floors and then up 7 floors what floor is the elevator on now?

Mathematics
2 answers:
TEA [102]2 years ago
5 0

Answer:

12th floor

Step-by-step explanation:

20-15+7 =12

aev [14]2 years ago
4 0

Answer:

The elevator is now on the 12th floor.

Step-by-step explanation:

20-15= 5          

5+7= 12

Therefore your answer is 12.

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An ant population starts at 1200 for a certain colony. As each month goes by in the winter, 6.5% of the population dies off. How
Nitella [24]

Answer:

There will be 916 ants alive after 4 months.

Step-by-step explanation:

Step 1

Let's change the percentage to a decimal by dividing by a 100.

6.5% / 100 = .065

Step 2

So, for the first month we will multiply the initial amount of ants by .065 and this will give us the number of ants that die.

1200 * .065 = 78

This means that after the first month, 1200 - 78 = 1122 ants will be alive.

Step 3

Now for the second month: 1122 * .065 = 72.93 (rounded to 73)

1122 - 73 = 1049 ants will be alive

Step 4

For the third month 1049 * .065 = 68.185 (rounded to 68)

1049 - 68 = 981 ants will be alive

Step 5

For the fourth month 981 * .065 = 63.765 (rounded to 64)

981 - 64 = 916 ants will be alive

Hope this helps!

5 0
2 years ago
Read 2 more answers
PLEASE HELP ASAP
Natalija [7]
Y=2/3x+4
I’m pretty sure this is right but tell me if not
8 0
3 years ago
I need help plz plz plz
Katena32 [7]
Your answer to this question is B
3 0
2 years ago
A two digit number when read from left to right to right consiststs of consecutive integers. the nmber is six more than for time
Solnce55 [7]

I suppose you want to know such number. Since we have a two digit number consisting of two consecutive integers, the only possible numbers are:

12,23,34,45,56,67,78,89

Since we sorted all the cases out, we simply have to check which one satisfies the requirement. For each number, we'll write four times the the sum of its digits, and add 6, hoping to get the original number.

\text{Number: } 12,\ \ 4\times \text{sum of digits: } 12\ \ \text{plus six: } 18\neq 12

\text{Number: } 23,\ \ 4\times \text{sum of digits: } 24\ \ \text{plus six: } 30\neq 23

\text{Number: } 34,\ \ 4\times \text{sum of digits: } 28\ \ \text{plus six: } 34

So, the answer is 34.

3 0
3 years ago
List 3 values that would make this inequality true 24 < y + 7
Zanzabum
With this problem, subtract 7 from both sides to get

17< y

So any number that is greater than 17 is a value that would make it true....19, 24, 35, 100, 39,1028 

4 0
3 years ago
Read 2 more answers
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