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Y_Kistochka [10]
3 years ago
8

A 16 1/2 kilometer stretch of road needs repair. Workers can repair 2 1/4 kilometer of repair of road per week. How many weeks w

ill it take to repair this road.
Mathematics
1 answer:
katen-ka-za [31]3 years ago
8 0

Answer:

a

Step-by-step explanation:

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If v = 6i + 3j, what is ||-10v||
tia_tia [17]

The values of ||-10v|| is 51.96 units

  • Complex numbers are square roots of negative numbers. They are expressions that consist of both the real and imaginary axis.

  • The general form of a complex number is expressed as z = x + iy

Given the complex number v = 6i + 3j,

10v is expressed as 10(6i + 3j)

10(6i + 3j) = 60i + 30j

Take the modulus of the complex number:

|10v|=\sqrt{60^2+30^2}\\|10v|= \sqrt{1800+900}\\|10v|= \sqrt{2700} \\|10v|=51.96units

Hence the values of ||-10v|| is 51.96 units

Learn more on the complex numbers here: brainly.com/question/10662770

6 0
2 years ago
Can someone solve 2x-3y=9 and give me the slope and y intercept SHOW WORK please
Dominik [7]

Answer:

The slope is 2/3 and the y-intercept is -3

Step-by-step explanation:

First you subtract 2/3 from both sides and get -3y=-2x+9. Then you divide -3 by -2 and -3 by 9 to get y=2/3-3.

Hope this helped I am not good at explaining but I did this unit like two months ago.

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3 years ago
What is the square root of 10 plus 25 minus 5 times 20
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Answer: √

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Step-by-step explanation:

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An amusement park charges an admission fee of 30 dollars per person. The cost, C (in dollars), of admission for a group of p peo
Nuetrik [128]
All you have to do here is multiply 30 by the number of people
so..

cost = 30 \times 2
cost = 60

7 0
3 years ago
How do you calculate pi??
Virty [35]

Answer: Use the formula.

Step-by-step explanation: The circumference of a circle is found with the formula C= π*d = 2*π*r. Thus pi equals a circle's circumference divided by its diameter. Plug your numbers into a calculator: the result should be roughly 3.14.

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3 years ago
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