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tatyana61 [14]
3 years ago
9

I really need help. Can you help me? please? Can you at least take a look at it? thanks.

Mathematics
2 answers:
wlad13 [49]3 years ago
8 0

Answer:

32

Step-by-step explanation:

The perimeter is all sides added. So using what we know, you get: width+width+26+26=116

Simplify this as 2*width = 116-26-26 and calculate.

Then we find that width = 64/2 = 32

dalvyx [7]3 years ago
7 0

Answer:

A.2width=26+26+116

64/2=32

B.The perimeter is all sides added. So using what we know, you get: width+width+26+26=116 Simplify this as 2*width = 116-26-26 and calculate.Then we find that width = 64/2 = 32

Step-by-step explanation:

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84

Step-by-step explanation:

Since, the digit should be in ascending order, therefore we have to group 123456789 into 3–3 groups with its digits being in ascending order.

<em>Step 1:</em>

Select 1 as one digit

<em>Step 2:</em>

Select 2 as a 2nd digit.

<em>Step 3: </em>

We have 7 numbers (3,4,5,6,7,8,9) as a 3rd digit of a 3-digit number. Therefore, We have 7 numbers in the form of 12_.

Go back to Step 2 and Select 3 as a 2nd digit. Then, we have 6 numbers (4,5,6,7,8,9) as a 3rd digit of the form 13_.

Continue these steps till you get the number of 3-digit numbers in the form of 1__ to 189 which will be 28 numbers.

Go back to Step 1 now and select 2 as a 1st digit and in Step 2, start with 3 as a 2nd digit.

In step 3, you’ll have 6 numbers (4,5,6,7,8,9) as a 3rd digit of the form 23_.

Continue these steps till you find the number of the 3 digit number of the form 2__ to 289 which will be 21

Repeat the steps again to find the number of 3digit number of the form 3__ to 389 which will be 15.

Then find 4__ to 489, 5__ to 589, ……till 789

the answers will be like this

1__=28

2__=21

3__=15

4__=10

5__=6

6__=3

789 which is 1

Adding all these, you’ll get 84.

4 0
2 years ago
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