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4 years ago

Using the ratio of perfect squares method, What is the square root of 68 rounded to the nearest hundredth?

2 answers:

7 0

8.25. If you multiply 8.25 by 8.25 you would get 68.06 so idk if your teacher would be checking for that or not. But otherwise you can try 8.24 which would give you 67.89

Svetradugi [14.3K]4 years ago

4 0

The answer is 8.2 it is 100 % right

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The perimeter of a rectangular field is 318 yards. If the length of the field is 91 yards, what is its width?

dimaraw [331]

Answer:

68 yards

Step-by-step explanation:

P=2l+2w (l=length, w=width)

318=2(91)+2w

318-182=2w

2w=136

width=68yds

4 0

3 years ago

What’s number 1? Please help

Viktor [21]

Answer:

Line XY is a line
Distance XY is the length between the two letters.

Step-by-step explanation:

When there's a line over two letters, that is a line.
When there's nothing above the two letters. it is the length between the two points on the line.

Be very careful with these two meanings.

6 0

3 years ago

Help please triangles and trig

Oksanka [162]

Answer:

$\sin L = \frac{3}{5}$

$\tan N = \frac{4}{3}$

$\cos L = \frac{4}{5}$

$\sin N = \frac{4}{5}$

Step-by-step explanation:

Given

The above triangle

First, we calculate the length LM using Pythagoras theorem.

$LN^2 = LM^2 + MN^2$

$10^2 = LM^2 + 6^2$

$100 = LM^2 + 36$

Collect like terms

$LM^2 = 100 - 36$

$LM^2 = 64$

Take positive square root

$LM=8$

Solving (a): Sin L

$\sin L = \frac{Opposite}{Hypotenuse}$

$\sin L = \frac{MN}{LN}$

$\sin L = \frac{6}{10}$

Simplify

$\sin L = \frac{3}{5}$

Solving (b): tan N

$\tan N = \frac{Opposite}{Adjacent}$

$\tan N = \frac{LM}{MN}$

$\tan N = \frac{8}{6}$

Simplify

$\tan N = \frac{4}{3}$

Solving (c): cos L

This calculated as:

$\cos L = \frac{Adjacent}{Hypotenuse}$

$\cos L = \frac{LM}{LN}$

$\cos L = \frac{8}{10}$

Simplify

$\cos L = \frac{4}{5}$

Solving (d): sin N

This is calculated using:

If $a + b = 90$

Then: $\sin a = \cos b$

So:

$\sin N = \cos L$

$\sin N = \frac{4}{5}$

8 0

3 years ago

The distance d traveled at a constant speed r is directly proportional to the time t spent traveling. a car moving at a constant

svet-max [94.6K]

150/2.5=x/6 is the proportion

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3 years ago

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Angela opened a bank account with $0.50. Later in the week she deposited money and $24 in her account. How much money did she de

amid [387]

Answer:

24 is the whole desposited. unless you are not counting the money she spent to open it. then it would be $23.50

8 0

4 years ago

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