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Zepler [3.9K]
2 years ago
8

PLS PLS PLS HELP IM ON TENTH GRADE HELP

Mathematics
1 answer:
Furkat [3]2 years ago
8 0

Answer:

it is called the <u>sector</u> of the circle. a sector is a part of a circle enclosed by two radii of the circle, like a slice of pie. hope this helps!

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Valeria drives 500 meters up a hill that makes an angle of 15 degrees with the horizontal. To the nearest tenth of a meter, what
s344n2d4d5 [400]

Answer:

Approximately 485 meters

Step-by-step explanation:

We can first construct a right triangle, using the 500 m length of hill as our hypotenuse. Using the fact that the cosine of an angle is the ratio of the adjacent side to the hypotenuse, we see that

\cos{15^\circ}=\frac{x}{500}

where x is the horizontal distance covered. Solving for x, we find this horizontal distance to be

x=500\cos{15^\circ}\approx500(0.97)=485

so our answer is approximately 485 m.

4 0
3 years ago
The values of a,b, and c in scientific notation are 3.47 x 10^-6, 4.61 x 10^-7, and 5.52 x 10^-7, respectively. Complete the fol
Lina20 [59]

Answer:

a) 1.59967 * 10 ^-12b) 7.52711497c) 1.590778098 * 10^-

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Step-by-step explanation:

6 0
2 years ago
What is the diameter of a circle with a 4.2 cm radius
4vir4ik [10]

Answer:

8.4cm

Step-by-step explanation:

In a circle, d = 2r, so d = 2 * 4.2cm = 8.4cm

3 0
3 years ago
I need help I'm stuck on this
ddd [48]

a) The length of p is 21.4 cm

b) The measure of angle P is 45.6°

<h3>Trigonometry </h3>

From the question, we are to determine the length of p

From the <em>Pythagorean theorem</em>, we can write that

30² = 21² + p²

p² = 30² - 21²

p² = 900 - 441

p² = 459

p = √459

p = 21.4 cm

∴ The length of p is 21.4 cm

b)

Measure of angle P

Using SOH CAH TOA

cos P= \frac{21}{30}

cos P = 0.7

P = cos⁻¹(0.7)

P = 45.6°

Hence, the measure of angle P is 45.6°

Learn more on Trigonometry here: brainly.com/question/17831932

#SPJ1

5 0
1 year ago
2x+3y=12 find the missing value
Ilia_Sergeevich [38]

Answer:

xy=2

Step-by-step explanation

2x + 3y =12

First divide 2 on both sides of the equation, than divide 3 on both sides of the equation.

5 0
3 years ago
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