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Rzqust [24]
3 years ago
9

Can you do 2 problems? and then someone else do the other 2 ty!

Mathematics
1 answer:
Lynna [10]3 years ago
6 0

Answer:

5.) MIGHT I SAID MIGHT be 20+16+12=48km squared for perimeter and 192 (im not sure really) for area

i can only do one I HOPE this helps probably not tho

Step-by-step explanation:

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Are is 16/14 and 64/60
zalisa [80]
Do you know how to solve this??
6 0
3 years ago
Multiply.
Crank
The main rules that we use here are :

i) \sqrt{a \cdot b}=  \sqrt{a} \cdot \sqrt{b} for nonnegative values a and b.

ii) \sqrt{a} \cdot  \sqrt{a} =a.


Thus, first 'decompose' the numbers in the radicals into prime factors:

4 \sqrt{3} \cdot 10 \cdot  \sqrt{2\cdot2\cdot3}\cdot  \sqrt{2\cdot 3}\cdot  \sqrt{2}..

By rule (i) we write:

4 \sqrt{3} \cdot 10 \cdot \sqrt{2}\cdot \sqrt{2}\cdot \sqrt{\cdot3}\cdot \sqrt{2} \cdot  \sqrt{3} \cdot \sqrt{2}.

We can collect these terms as follows:

40 \sqrt{3}\cdot (\sqrt{3}\cdot \sqrt{3}) \cdot (\sqrt{2}\cdot \sqrt{2}) \cdot( \sqrt{2} \cdot \sqrt{2}), and by rule (ii) we have:

40 \sqrt{3}\cdot 3 \cdot 2 \cdot2=40\cdot12\cdot \sqrt{3}=480 \sqrt{3}.


Answer: 480 \sqrt{3}.
8 0
4 years ago
What is 0.75% of 387
luda_lava [24]

Answer: 2.9025


Step-by-step explanation:

0.75 x 387/100  

= 2.9025

3 0
4 years ago
Read 2 more answers
Clara brought 24 donuts for the office. If 6 of them were chocolate, what percent of the donuts were chocolate
mafiozo [28]
To find the percent, you have to divide 24/6 
24/6 = 0.25
Now you convert 0.25 to a percent. 
So move the decimal point 2 places to the right. 
= 25 %
5 0
3 years ago
Read 2 more answers
2 numbers total 47 and have a difference of 21 what are the two numbers
murzikaleks [220]

x+y = 47

x-y = 21

------------  add together

2x =68  divide by 2

x=34

x+y = 47

34+ y = 47

subtract 34 from each side

y = 13

the two numbers are 34 and 13


7 0
3 years ago
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