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Tpy6a [65]
3 years ago
5

What is the answer to "4= -0.8n"

Mathematics
1 answer:
maxonik [38]3 years ago
8 0
The answer is negative 5. Hoped this helps. Please mark me as brainliest if I get it right.
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ASAP!!! I NEED HELP geometry/trigonometry please
777dan777 [17]

Answer:

Perpendicular = Y = 34.64 ft (Approx)

Base = X = 20 ft

Step-by-step explanation:

Given:

θ = 60°

Hypotenuse = 40 ft

Perpendicular = Y

Base = X

Find:

X and Y

Computation:

Sinθ = Perpendicular / Hypotenuse

Sin 60 = Y / 40

Perpendicular = Y = 34.64 ft (Approx)

Cosθ = base / Hypotenuse

cos 60 = X / 40

Base = X = 20 ft

6 0
3 years ago
sally's paycheck was $1400. she used that to pay $770 rent. what percent of the check did she use for rent?
Katena32 [7]
She used 55% of her paycheck.
3 0
3 years ago
Read 2 more answers
An airplane climbs at an angle of 16° with the ground. Find the ground
Tatiana [17]

Answer:

2403.2

Step-by-step explanation:

We get the length of the hypotenuse, and the base angle. To find the length of the base, we use the cosine of 16° since it is equal to the adjacent side length/ hypotenuse side length or cos 16°= x/2500. The isolate x by multiplying both sides by 2500. The cos 16° is around 0.96126, multiplied by 2500 (cos 16°(2500)) = 2403.1

6 0
3 years ago
Which of the following is the best estimate of the direction of the given vector?
notka56 [123]

Answer:

The direction of the given vector is 45° N of W

Step-by-step explanation:

* Lets revise the four directions with the four quadrants

- The four directions are:

# North which represented by the positive part of y-axis

# South which represented by the negative part of y-axis

# East which represented by the positive part of x-axis

# West which represented by the negative part of y-axis

∴ The first quadrant is between the East and the North

∴ The second quadrant is between the West and the North

∴ The third quadrant is between the West and the South

∴ The fourth quadrant is between the East and the South

* The direction of any vector is tan Ф, where Ф is the angle between

 the vector and the x-axis, then:

- The direction of North of East is 45° ⇒ first quadrant

- The direction of North of West is 45° ⇒ second quadrant

- The direction of South of West is 45° ⇒ third quadrant

- The direction of South of East is 45° ⇒ fourth quadrant

* Now lets solve the problem

∵ The direction of the vector is between the North and the West

  (its vertex in the second quadrant)

∴ Its direction is 45° North of West

* The direction of the given vector is 45° N of W

7 0
3 years ago
Solve: 4|x| = 32<br><br> A. 8<br> B. 24 <br> C. -8 or 8 <br> D. No solution
kirill [66]
<span> C. -8 or 8
</span>
4 |-8| = 4*8 = 32 4 |<span>8</span>| = 4*8 = 32

5 0
3 years ago
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