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Doss [256]
3 years ago
8

A path 1m wide is built along the border and inside a square garden of 30m. What’s the area of the path

Mathematics
1 answer:
tia_tia [17]3 years ago
6 0

Along two opposite sides of the square, the path is 30 m long and 1 m wide.

Along the other two opposite sides of the square, the path is 28 m long and 1 m wide.

area = 2(30 m * 1 m) + 2(28 m * 1 m) = 60 m^2 + 56 m^2 = 116 m^2

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the mass of a textbook is approximately 0.00165 metric ton . how is this number written in scientific notation
DiKsa [7]

Answer:

1.65 X 10^-3 (i don't know if your teacher wants you to also add the unit at the end, but if your teacher does, then just add metric ton at the end. :-) )

Step-by-step explanation:

We want to bring the decimal point to the right of the first number, so you move the decimal point 3 times to the right, which would give you 1.65 metric ton.

So you should know that moving a decimal point to the right would make the power negative, and moving the decimal point to the left would make the power positive.

In this situation, the power would be negative, and a negative three, because you moved the decimal point 3 times to the right.

Hope this helped :-) <3

8 0
3 years ago
(–8) + (–5) =<br> (–8) + 2 =
andreyandreev [35.5K]
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4 0
3 years ago
Read 2 more answers
Caculate the slope between the points <br> (9, 12) and (4, 17)
Scilla [17]
To calculate the slope you need to do (y2-y1)/(x2-x1). So you would get:
(17-12)/(4-9)
5/-5
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Hope this helps.
3 0
3 years ago
What two decimal<br> are between the square root of 62
viva [34]
7 and 8 because the square root is 7.874
4 0
2 years ago
How many 7-digit phone numbers are possible, assuming that the first digit can’t be a 0 or a 1? (b) re-solve (a), except now ass
sladkih [1.3K]
A. We are going to form 7 digit numbers from the set {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

where the first digit cannot be 0 or 1.

so we have 8 choices for the 1. digit, and 10 choices for all the other 6 digits.

this means there are 8*10*10*10*10*10*10=8* 10^{6} possible numbers.

b.

consider the numbers which start with 911. There are 10*10*10*10=10 ^{4} such numbers, since for the 4th, 5th, 6th and 7th digits we have 10 choices.

then we remove this number, from the one we found in a:

There are in total 8* 10^{6}-10^{4}=7,990,000 numbers which don't start with 911.


Answer:

a.8*10^{6}
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3 0
3 years ago
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