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jeka57 [31]
3 years ago
10

What is the value of time, t, for the given values of distance, d, and rate, r? d = 315 mi, r = 45 mi/h A. 7 h B. 7 mi C. 14,175

h D. 14,175 mi
Mathematics
2 answers:
Inga [223]3 years ago
8 0
I think A I'm not sure tho..I had something similar to this. <span />
kati45 [8]3 years ago
5 0

Answer:

i also believe that the answer is A

Step-by-step explanation:

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All but 4 of the counselors at a certain summer camp have a sailing certification, first aid certification, or
inysia [295]
Jdjdhdhdjdjdjjzhdbsjduxhdbducj
5 0
3 years ago
A41.0m guy wire is attached to the top of a 32.8 m antenna and to a point on the ground. How far is the point on the ground from
Setler79 [48]

Answer:

Step-by-step explanation:

A right angle triangle is formed.

The length of the guy wire represents the hypotenuse of the right angle triangle.

The height of the antenna represents the opposite side of the right angle triangle.

The distance, h from base of the antenna to the point on the ground to which the antenna is attached represents the adjacent side of the triangle.

To determine h, we would apply Pythagoras theorem which is expressed as

Hypotenuse² = opposite side² + adjacent side²

Therefore,

41² = 32.8² + h²

1681 = 1075.84 + h²

h² = 1681 - 1075.84 = 605.16

h = √605.16

h = 24.6 m

To determine the angle θ that the wire makes with the ground, we would apply the the cosine trigonometric ratio.

Cos θ = adjacent side/hypotenuse. Therefore,

Cos θ = 24.6/41 = 0.6

θ = Cos^-1(0.6)

θ = 53.1°

7 0
3 years ago
Find
Westkost [7]

Answer:

dy/dx = -b/a cot α

Step-by-step explanation:

x² / a² + y² / b² = 1

Take derivative with respect to x.

2x / a² + 2y / b² dy/dx = 0

2y / b² dy/dx = -2x / a²

dy/dx = -b²x / (a²y)

Substitute:

dy/dx = -b²a cos α / (a²b sin α)

dy/dx = -b cos α / (a sin α)

dy/dx = -b/a cot α

8 0
3 years ago
ILL GIVE YOU BRAINLIST !! * have to get it right !!! * Find the slope of the line.
sveticcg [70]

Answer:

slope is 2

Step-by-step explanation:

Find two points that can be used.

(0,4) (2,8)

Use the slope formula and plug in the numbers

\frac{y_{1}-y_{2}  }{x_{1}-x_{2}  }

\frac{8-4 }{2-0 }

\frac{4}{2}

=2

5 0
3 years ago
Thanks if you help.....
marissa [1.9K]

Answer:

I'm guessing it's D.

Step-by-step explanation:

Sorry if wrong :> Hope i helped! Have a awesome day!!! You're a great hooman ^_^ Please mark brainliest !!

5 0
3 years ago
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