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Finger [1]
2 years ago
11

A square feild in 105m long, what is the perimeter​

Mathematics
1 answer:
iragen [17]2 years ago
8 0

Answer:

420 m

Step-by-step explanation:

a square has four sides, and each 105 m long

all the sides of a square are equal

105 +105+105+105= 420m

= 420m

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The Sine Function
larisa86 [58]

Answer:

D. May not be accurate, information was taken over 2 year period; More information from previous years would help the prediction be more accurate.

Step-by-step explanation:

I calculated it logically

3 0
3 years ago
Suppose a 5-digit number is formed using the digits from 1 to 9 (without replacement). What is the probability that it will be a
TiliK225 [7]

By finding the probability that the unit digit is even, we will see that the probability that the 5-digit number will be even is P = 4/9.

So we have a 5-digit number, let's say that it is:

abcde

Now, we have 5 "slots" where we can put numbers from 1 to 9 (without replacement).

We want to find the probability that the number will be even, so we only care for the last digit, e (it must be even).

Let's assume that the first digit at which we assign its value is this, e, the last one.

For this digit we have 9 options, {1, 2, 3, 4, 5, 6, 7, 8, 9}

4 of these options are even numbers.

So there are 4 out of 9 cases where the <u>last digit is even</u>, then the probability that the 5-digit number will be even is just:

P = 4/9

Now the other four digits can be anything (even or odd), so we only care for the probability above.

If you want to learn more about probability, you can read:

brainly.com/question/23044118

8 0
2 years ago
Help asap 25 points worth pre alg<br> x=<br> y=
Mumz [18]

Answer:

Firstly Substitute y=2x-5 into 5x-4y=-10

This will be 5x-4(2x-5)=10 now solve for x

5x-8x+20=-10

-3x=-30

X=10

Now sub x as 10 into the second equation y=2x-5

Y=2(10)-5

Y=15

8 0
2 years ago
Help!!
Mkey [24]
1.  this is a series of squares  Formula is an = n^2

2. Arithmetic series with common difference d = -2.

an = a1 + (n-1)d  = 3 -2(n-1)


Cant see the rule for Number 3

4 0
3 years ago
NEED HELP FAST!!! picture is attached.
yuradex [85]
I think the answer could be C
6 0
2 years ago
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