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son4ous [18]
3 years ago
7

What is the value of this expression? Please don’t send a link

Mathematics
1 answer:
vesna_86 [32]3 years ago
7 0
-1/2


Mark brainliest please


Hope this helps you
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Please answer asap!!
sesenic [268]

Answer:

-9

Step-by-step explanation:

-3 times -3 = -9.

7 0
3 years ago
Use the compound interest formula to compute the total amount accumulated and the interest earned.
jasenka [17]

Answer:

100

Step-by-step explanation:

100

7 0
3 years ago
5. If a turtle moves at 11/3 kilometers per
timurjin [86]

Answer:

It would take him 2 hour

Step-by-step explanation:

11 divided by 3 is 3.66666666667

9 divided by 3.7 is 2.4

8 0
3 years ago
The following octagon is formed by removing four congruent right triangles from a rectangle. What is the total area of the octag
rewona [7]
To find the total area of the octagon you can find the area of the rectangle that is created by the entire figure and subtract the areas of the four congruent right triangles.

(10 cm x 6 cm) - [4(1/2 x 2 x 2)]
60 cm² -8 cm² = 52 cm²

The total area of the octagon is 52 cm².
7 0
3 years ago
Read 2 more answers
To determine whether they need to hire extra help for the holiday season, the managers of a railroad company want to estimate ho
nadezda [96]

Answer:

36

Step-by-step explanation:

Data provided in the question:

Standard error = 1.5 minutes             ( ∵ number are repetitive 1.51.5 )  

Standard deviation = 9 minutes        ( ∵ number are repetitive 99 )

Now,

Standard error = ( Standard deviation ) ÷ √n

Here,

n is the sample size

Therefore,

on substituting the respective values, we get

1.5 = 9 ÷ √n

or

√n = 9 ÷ 1.5

or

√n = 6

or

n = 6² = 36

3 0
4 years ago
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