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GREYUIT [131]
3 years ago
15

A kite is flying 80ft off the ground, and it's strong is pulled taut. The angle of elevation of the kite is 48 degrees. Find the

length of the string. Round your answer to the nearest tenth.
Help meee!!
Mathematics
1 answer:
ohaa [14]3 years ago
6 0

Answer:

107.7ft

Step-by-step explanation:

\dfrac{80}{sin \: 48^{o} } =\dfrac{80}{0,7431448255} \approx 107.7

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never [62]

Answer:

y = -\frac{3}{4}x - \frac{45}{4}

Step-by-step explanation:

When ever you are asked to draw a line that goes through a given point you should use point slope formula or y - y_{1} =m(x - x_{1}). In this problem you are asked to go through point (-3, -9) while being parallel to 3x+4y = 7.

  1. Start by converting 3x+4y = 7 into slope intercept form (y = mx + b). To do this you first need to move 3x to the other side of the equation: 4y = -3x + 7. Then divide by 4 to get y alone: y = -\frac{3}{4} x + \frac{7}{4}.
  2. Next, start plugging the numbers into the point slope formula given above, where y_{1} is -9, x_{1} is -3, and m is -\frac{3}{4}. Your equation should look like this when you're done: y - (-9) = -\frac{3}{4}(x - (-3)).
  3. When you subtract a negative you add so your equation becomes: y + 9 = -\frac{3}{4}(x+3).
  4. You then need to distribute the -\frac{3}{4} into the (x+3) and you should end up with something like this: y+9 = -\frac{3}{4}x - \frac{9}{4}
  5. Finally, subtract the 9 from the left side and you have your answer: y = -\frac{3}{4}x - \frac{45}{4}
8 0
3 years ago
When using Altman’s Z-Score, a Type II error occurs when: Select one: A. The company’s Z-score indicates the company is healthy,
Tanya [424]

Answer:

Step-by-step explanation:

Within the context of hypothesis testing, we can get type I and II errors.

A type II error is a statistical term used  that describes the error that occurs when one fails to reject a null hypothesis that is actually false. This can be terms as rejecting the alternative hypothesis, even though it does not occur due to chance.

IN this context we find that our null hypothesis is company is healthy.  But actually it is bankrupt.

Hence Option B is right.

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Solve the system of equations by the substitution method.<br> x+y=4<br> y=-3x
eduard

Answer:

X= -2 Y=6

Step-by-step explanation:

4 0
3 years ago
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Solve for x.<br> -25x + 175 &gt; 225 and 5x - 83 ≥ - 73
fenix001 [56]

x less than -3.2

x greater than or equal to 2

3 0
3 years ago
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The number of apples in a box decreased from 150 to 135. What is the percent decrease of the number of apples in the box?
vovangra [49]

Answer:

10%

Step-by-step explanation:

Decrease=150- 135=15

Percentage of decrease= 15÷150×100

=10%

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