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Dovator [93]
3 years ago
10

Help me on this please

Mathematics
1 answer:
pentagon [3]3 years ago
6 0
60cm is the length from A and B
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Klay is driving to visit his family in another town. It is 386 miles. If his car will go 18 miles per gallon, how many gallons w
Alexus [3.1K]
It is going to 21 because when you is divid 386÷18=21and you don't have 21 up there either I did it wrong or you do not have up there bc you missed up
7 0
3 years ago
Harry is half as old as Mort. Mort is seven years older than Harry. How old is each boy?
AysviL [449]
Harry is 7 Mort is 14
6 0
3 years ago
Which fraction can be replaced with 1/2 when estimating with fractions
White raven [17]

Answer: 7/16

Step-by-step explanation:

i got it right

5 0
3 years ago
For any number n>1 is |(3/4+2/3i)^n|
sasho [114]

The for any number n>1 is |(3/4+2/3i)^n| greater than 1 after simplifying the complex number.

<h3>What is a complex number?</h3>

It is defined as the number which can be written as x+iy where x is the real number or real part of the complex number and y is the imaginary part of the complex number and i is the iota which is nothing but a square root of -1.

We have a complex number:

= \rm |(\dfrac{2}{3}+\dfrac{3}{4}i)^n|\\\\\\= \rm |(\dfrac{8+9i}{12})^n|\\\\\\= \rm |\dfrac{(8+9i)^n}{12^n}|\\\\

Here n>1

Plug n = 2

= \rm |\dfrac{(8+9i)^2}{12^2}|\\\\

= 145/144

= 1.0069

Which is greater than 1.

Thus, the for any number n>1 is |(3/4+2/3i)^n| greater than 1 after simplifying the complex number.

Learn more about the complex number here:

brainly.com/question/10251853

#SPJ1

6 0
2 years ago
Write an expression for the total cost, in pounds, of: X jumpers at £15 each and y shirts at £12 each
anastassius [24]
X jumpers at <span>£15 each.    Total = 15*x = </span><span>£15x
</span>
y shirts at £12 each.    Total = 12*y = <span>£12y

Total cost  = </span><span>£15x + </span><span>£12y

Total cost =  </span><span><span>£(15x + 12y)</span></span>
5 0
3 years ago
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