What is the perimeter of a sandbox with the coordinates of (12,14),(12,17),and (16,14)

Mathematics

1 answer:

natta225 [31]3 years ago

5 0

Check the picture below.

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What is the value of x? Please show step by step.

3241004551 [841]

Start by using trig to find the length of the line LJ

The triangle KJL (big right angled triangle) has been given the following dimensions

Hypotenuse = $8 \sqrt{2}$
The adjacent angle is 30 degrees

Since we have the hypotenuse and the angle we must use the equation
opposite = Sin(angle) x Hypotenuse

Opposite= sin30 x $8 \sqrt{2}$

Opposite= $4 \sqrt{2}$

Therefore line LJ is $4 \sqrt{2}$

Now look at the smaller right angled triangle (LMJ)

Hypotenuse is the line LJ which is $4 \sqrt{2}$

The adjacent angle is 45

Since we have hypotenuse and angle we must use the equation opposite = sin(angle) * h

therefore
x= $4 \sqrt{2}$ * sin45= 4

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3 years ago

suppose the commute times for employees of a large company follow a normal distribution. if the mean time is 18 minutes and the

stepladder [879]

Answer:I think A

Step-by-step explanation:

Hopefully I am right

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3 years ago

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Marcus has earned 353 out of 400 points in Math class. What grade did Marcus make in his math class? (Round grade to the nearest

Taya2010 [7]

Answer:

an 88.25

Step-by-step explanation:

well 88%

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3 years ago

Find the range of y = -3x + 7 for the domain {-8, -6, -3, -2, 2}

svetlana [45]

The domain is the set of x-values of a function. The range is the set of y-values of a function.

You are told that the domain, or x-values, are -8, -6, -3, -2, and 2. To find the range, you just need to plug in each of the x-values into the function <span>y = -3x + 7 and find the value of y.
1) When x = -8:
</span><span>y = -3x + 7
y = -3(-8) + 7
y = 24 + 7
y = 31

2) When x = -6
</span>y = -3x + 7
y = -3(-6) + 7
y = 18 + 7
y = 25

3) When x = -3
y = -3x + 7
y = -3(-3) + 7
y = 9 + 7
y = 16

4) When x = -2
y = -3x + 7
y = -3(-2) + 7
y = 6 + 7
y = 13

5) When y = 2
y = -3x + 7
y = -3(2) + 7
y = -6 + 7
y = 1

The range is {31, 25, 16, 13, 1}.

-------

Answer: {31, 25, 16, 13, 1}

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3 years ago

How do I do this scientific notation problem?

lidiya [134]

You take the exponent and move that many places with the number that you get on the opposite side

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