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trasher [3.6K]
3 years ago
8

I have a square piece of paper.

Mathematics
1 answer:
jarptica [38.1K]3 years ago
4 0

Answer:

a) 30 cm

b) 20 cm

Step-by-step explanation:

Rectangle B's perimeter is 10+10+5+5 which is 30

Square C's perimeter is 5+5+5+5 which is 20

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3/4 (x-12)=12<br> And 3/4y-12=12
lianna [129]
3/4 (x-12)=12
3/4x - 9= 12
        +9    +9
3/4x=21
*3/4     *3/4
x= 15 3/4

and 

3/4y-12=12
       +12  +12
3/4y = 24
*3/4    *3/4
y= 18
5 0
3 years ago
Read 2 more answers
The expression below is scientific notation for what number?<br> 6.1 x 10^6
arlik [135]

Scientific notation is a way to write compactly numbers with lots of digits, either because they're very large (like 2393490000000000000000000), or very small (like 0.0000000000356).

We use powers of ten to describe all those leading/trailing zeros, so that we con concentrate on the significat digits alone.

In your case, the "important" part of the number is composed by the digits 6 and 1, all the other digits are zero. But how many zeroes? Well, let's do the computation.

Every power of 10, 10^n is written as one zero followed by n zeroes, so we have

10^6 = 1000000 \implies 6.1 \times 10^6 =6.1 \times 1000000

Multiplying a number by 10^n means to shift the decimal point to the right and/or add trailing zeroes n times. So, we have to repeat this process six times. We shift the decimal point to the right one position, and then add the five remaning zeroes. The result is thus

6.1 \times 1000000 = 6100000

4 0
3 years ago
Pls help me with this
baherus [9]

i think we have to find the answer for terms of a

p=a+4b+2c

ISOLATE A

p-4b-2c=a

answer:

p-4b-2c=a

8 0
3 years ago
What is the length of the hypotenuse of a right triangle if each of the two legs is 7 units?
Katyanochek1 [597]

To find the hypotenuse of a right triangle you can use the Pythagorean theorem. (a² + b² = c²) Using the measurements provided we can solve like this.


Both a² & b² = 7²


7 x 7 = 49


49 + 49 = 98


Now we need to find the square root of 98 (c²) to get our answer.


9.9 x 9.9 = 98.01 or about 98


The measurements for the tirangle are 7 units, 7 units, and 9.9 units.


Hope this helps!



7 0
3 years ago
Read 2 more answers
34-62+22*3+(36-42) This is for math homework so please don't just answer for points
faust18 [17]

Answer:

<h2>32</h2>

Step-by-step explanation:

34−62+(22)(3)+36−42

=−28+(22)(3)+36−42

=−28+66+36−42

=38+36−42

=38+−6

=32

3 0
3 years ago
Read 2 more answers
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