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frutty [35]
3 years ago
14

Write an integer to describe:The stock market increased 75 points

Mathematics
1 answer:
vladimir1956 [14]3 years ago
6 0
The stock market increased 75 point: = +75 or 75
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From a radar station, the angle of elevation of an approaching airplane is 32.5 degree. The horizontal distance between the plan
denis23 [38]

Answer: 42.21 km

Step-by-step explanation:

We can solve this using trigonometry, since we have the following data:

\theta=32.5\° is the the angle of elevation

d=35.6 km is the horizontal distance between the plane and the radar station

x is the hypotenuse of the right triangle formed between the radar station and the airplane

Now, the trigonometric function that will be used is <u>cosine</u>:

cos\theta=\frac{d}{x} because d is the adjacent side of the right triangle

cos(32.5\°)=\frac{35.6 km}{x}

Finding x:

x=\frac{35.6 km}{cos(32.5\°)}

x=42.21 km

4 0
3 years ago
Can you help me with number 3? Please!!!!
Fantom [35]

Answer:

D

Step-by-step explanation:

Take it step by step.

The area of a rectangle is width times length.

We know the length is 7 since it's given, and we can find the width by adding shared sides of the square and triangle.

So the width is 10 + 14 or 24

That means the area of the rectangle is 7 * 24

The area of the second rectangle is 12 * 14, since they are both given.

Finally, the area of the triangle is 1/2 of the base times height and we can find the height by looking at the shared side and using the definition of a rectangle.

So the area of the triangle is 1/2 of 10 * 12.

3 0
3 years ago
Suzanne is looking at taking out a personal loan. Opportunity Loans is offering her $1600 at 3.45% for 1 year, with interest com
AleksAgata [21]

Step-by-step explanation:

So the general formula for compound interest is A = P(1+\frac{r}{n})^{nt} where r is the interest rate, t is the time in years, and n is the amount of compounds per year. So plugging in the values for both equations you'll get

Opportunity Loans:

 A = 1600(1+\frac{0.0345}{12})^{(12)(1)}

 A = 1600(1.002875)^{12}

 A \approx 1600(1.035)

 A = \$1,656.08

  Now to find the interest accrued on this loan you simply subtract 1600 from the A or final amount

 Interest=1656.08-1600\\Interest=56.08

General Loans:

 A = 1600(1+\frac{0.042}{4})^{(4)(1)}

 A = 1600(1.0105)^4

 A \approx 1600(1.042)

 A = 1,668.27

 To find the interest we do the same thing we did in the previous problem

 interest = 1668.27-1600\\interest=68.27

Opportunity loans has the least amount of interest after a year

 

 

8 0
2 years ago
F(x) = 4x2*<br> How do u graph this
Allushta [10]

Answer:

Step-by-step explanation:

honestly im not really

5 0
3 years ago
What is the measure of angel A rounded to nearest whole number ?
snow_lady [41]
Use inverse cosine here because you have the side adjacent to angle A and the hypotenuse.  On your calculator, press the 2nd key then cosine to see this on your display cos^{-1} then enter 8/17 to give you an angle measure of 62 degrees.
4 0
3 years ago
Read 2 more answers
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