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VLD [36.1K]
2 years ago
11

What is the length of the missing leg? If necessary, round to the nearest tenth.

Mathematics
2 answers:
oksano4ka [1.4K]2 years ago
6 0

Answer:

3.5 km

Step-by-step explanation:

For this question, we must use the pythagorean theorem: a^{2}+b^{2}=c^{2}

C is the hypotenuse which is 4 km. We can set A as 2 km. We would plug in the values to get 2^{2}+ b^{2}=4^{2}.

Then we must isolate the b value. We get = -. This then simplifies down to  =12. Then we square root both sides to get b=3.5

svlad2 [7]2 years ago
5 0

Answer:

sqrt{12}

Step-by-step explanation:

We can find how long the missing side is with the help of Pythagoras and his theorem.

a² = c² - b²

a² = 16 - 4

a² = 12

a = sqrt{12}

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Use completing the square to solve the equation x^2+16x=-44.
Sidana [21]

Step-by-step explanation:

our equation is x²+16x = -44

  • x²+16x= -44
  • x² is the first term so weill have in the middle 2*x* a number
  • x²+2*x*8 = -44
  • the third term is 8² wich is 64 so we will add it in both sides
  • x²+2*x*8+64 = -44+64
  • (x+8)² = 20

Now that we have completed the perfect square let's solve the equation

  • (x+8)² = 20
  • x+8 = \sqrt{20}or x+8= -\sqrt{20}
  • x = -8+\sqrt{20} or x =  -8- \sqrt{20}

so the first answer is the correct one

64; 8 +/- \sqrt{20}

7 0
4 years ago
Read 2 more answers
Carrie is buying bulk candy for a high school fundraiser. She buys 1000 candy bars for $350. What is the unit cost per candy bar
liubo4ka [24]
1000 candy bars ... $350
1 candy bar ... $x = ?

If you would like to know what is the unit cost per candy bar, you can calculate this using the following steps:

1000 * x = 350 * 1
1000 * x = 350    /1000
x = 350 / 1000
x = $0.35

Result: She can buy 1 candy bar for $0.35, so the correct result would be B) $.35.
6 0
4 years ago
If 50 bicycles cost $100.50, then how many bicycles could you get for $45?
8_murik_8 [283]
Answer


22 WHOLE bicycles


Step by step explanation

If you divide 100.50 by 50 you get how much it cost for each bicycle which is 2.01 and when you divided 45 by 2.01 you get 22 and a bunch of random numbers but you can’t get that part of a bicycle because you are not going to cut a bicycle into pieces so you will be able to buy 22 and you will have some left over money but that doesn’t matter you can get 22 whole bicycle with 45 dollars
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2 years ago
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PLZ HELP TEST IS BEING TIMED!!! What are the slope and the y-intercept of the linear function that is represented by the equatio
Oksana_A [137]

Answer:

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Step-by-step explanation:

The slope is in the equation and always has a variable next to it (In this case, -10x, so -10 is the slope)

The y-intercept is 1 and that is also in the equation and does not have any variables next to it (In this case, + 1, so it is 1)

3 0
3 years ago
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A scatterplot is produced to compare the number of hours that students study to their test scores. There are 25 data points, eac
Airida [17]
The answer would be C) As the number of hours of studying increases, test scores increase because the scatterplot has a cluster that increases from left to right.

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3 years ago
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