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Rina8888 [55]
3 years ago
5

Find COS Instructions: Find the value of the trigonometric ratio. Make sure to simplify the If needed

Mathematics
1 answer:
Whitepunk [10]3 years ago
6 0

Answer:

7/25

Step-by-step explanation:

cos A = adj/hyp

50 is the hypotenuse

For angle Z, 14 is the adjacent leg.

cos Z = 14/50

cos Z = 7/25

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Alex has a truck. 42% of the miles he drove last month were for work. If Alex drove 588 miles for work, how many miles did he dr
Novosadov [1.4K]

Answer:

Step-by-step explanation:

1.588x42=

2. answer - 588=

3 0
3 years ago
Write an equation of a line whose graph is parallel to the graph of y = 3x – 10.
Nataly [62]

Answer:

y= -3x +4

Step-by-step explanation:

If the lines are parallel, the slopes are the same

so if a line is parallel to y =3x-10, the slope is also m=3

using y= mx+b

y = 3x+b

we can pick any b but -10 because that would make it the same line


4 0
3 years ago
Read 2 more answers
Find the vertices and foci of the hyperbola with equation quantity x plus one squared divided by sixteen minus the quantity of y
katrin2010 [14]

Answer:

The vertices are (3 , -5) , (-5 , -5)

The foci are (4 , -5) , (-6 , -5)

Step-by-step explanation:

* Lets study the equation of the hyperbola

- The standard form of the equation of a hyperbola with  

  center (h , k) and transverse axis parallel to the x-axis is

  (x - h)²/a² - (y - k)²/b² = 1

- The length of the transverse axis is 2 a

- The coordinates of the vertices are  (h  ±  a  ,  k)

- The coordinates of the foci are (h ± c , k), where c² = a² + b²

- The distance between the foci is  2c

* Now lets solve the problem

- The equation of the hyperbola is (x + 1)²/16 - (y + 5)²/9 = 1

* From the equation

# a² = 16 ⇒ a = ± 4

# b² = 9 ⇒ b = ± 3

# h = -1

# k = -5

∵ The vertices are (h + a , k) , (h - a , k)

∴ The vertices are (-1 + 4 , -5) , (-1 - 4 , -5)

* The vertices are (3 , -5) , (-5 , -5)

∵ c² = a² + b²

∴ c² = 16 + 9 = 25

∴ c = ± 5

∵ The foci are (h ± c , k)

∴ The foci are (-1 + 5 , -5) , (-1 - 5 , -5)

* The foci are (4 , -5) , (-6 , -5)

4 0
3 years ago
Read 2 more answers
Express 80 miles per hour in kilometers per hour
Anna [14]
80 miles per hour is 128.74752 kilometers per hour
8 0
3 years ago
Read 2 more answers
Select all that apply.
Nata [24]

Answer: 12 girls to 27 students

5 boys to 9 students

15 boys to 12 girls

HOPE THIS HELPS

CAN U PLEASE GIVE ME BRAINLIEST

4 0
3 years ago
Read 2 more answers
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