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exis [7]
2 years ago
11

Dr. Robbins took the elevator to the 18th floor. He went back down 7 floors, up 2 floors, and down 5 floors. What floor is he no

w on? And please tell him to stop playing with the elevators. * 5 points
Mathematics
1 answer:
zvonat [6]2 years ago
3 0

Answer:

the 8th floor

Step-by-step explanation:

you just add and subtract so 18-7 +2 -5 = 8

You might be interested in
2. Find the 20th term of an arithmetic sequence if its 6th term is 14 and 14th term is 6.
Fudgin [204]

Answer:

\sf t_{20}= 0

Step-by-step explanation:

<h3>Arithmetic sequence:</h3>

      \sf \boxed{\bf n^{th} \ term = a + (n-1)d}\\\\\text{Here, a is the first term ; d is the common difference }

6th term is 14 ⇒ \sf t_6 = 14

                a + (6 - 1)d = 14

                    a  +  5d = 14  --------------(I)

14th term is 6 ⇒\sf t_{14} = 6

             a + (14-1)d = 6

                  a + 13d = 6 ----------------(II)

Subtract equation (II) from equation(I)

        (I)          a + 5d = 14

        (II)         a + 13d = 6

                    <u>-    -          -</u>

                            -8d = 8

                               d  = 8 ÷(-8)      

                              \sf \boxed{\bf d= (-1)}

Plugin d = -1 in equation (I)

a + 5(-1) = 14

      a -5  = 14

             a = 14 + 5

             \sf \boxed{\bf a = 19}  

20th term:

 \sf t_{20}= 19 + 19*(-1)

       = 19 - 19

   \sf \boxed{\bf t_{20} = 0}

8 0
1 year ago
Read 2 more answers
Kyra solved the following quadratic equation. What was the error, if any, that she made?
podryga [215]
See the picture below

5 0
2 years ago
A tire shop had to fill 2 1/2 tires with air. It took a small air compressor five minutes to fill them up. How long did it take
PSYCHO15rus [73]

Answer:

It took 2.5 (2 and a half) minutes to fill up one tire

Step-by-step explanation:

Hope this helps :)

8 0
3 years ago
Read 2 more answers
HELP PLEASE!
chubhunter [2.5K]

Answer:

B

Step-by-step explanation:

Gambling is the act of risking something of material value on an uncertain outcome. The people who gamble are totally unaware of the outcome. The outcomes are unpredictable so it is risking something of material to win a something of greater material value.

5 0
3 years ago
Is this correct? Look at pic attached
Georgia [21]

Answer:

Perfect!

Step-by-step explanation:

Complementary= 90 degrees

Supplementary= 180 degrees

Looks like you got both of those. Good job!

<1 + <2 = 90

<1 = 55

90-55=35

<2=35

<2+ <3= 180

180-35= 145

<3 = 145 degrees

You did awesome! Amazing job!

3 0
3 years ago
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