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Brrunno [24]
4 years ago
8

How many sectors would be formed by a circle if each sector had a central angle of 30 degrees

Mathematics
1 answer:
Law Incorporation [45]4 years ago
6 0
there are 360 degress in a circle if you cut a circle in half at its center aka its diameter the center angle would be 180 degree or a straight line 360/2 180 and a circle divide into 2 sectors so your questoin would be equal algebraically to 360x=30 360 is the totatal number degrees in every circle 30 is the resulting degree and x is the length of each of the sectors if you solve yo get 1/12 thus total sectors would be 12
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Is either x=5 or x=3 a solution to 11- x <7
Aleks [24]

Answer:

<h2><em><u>x = 5</u></em></h2>

Explanation:

11 - x < 7

  • 11 minus a number is less than 7

<em>Insert 5 into the equation</em>

11 - 5 < 7

<em>Simplify</em>

6 < 7

  • This is true

<em>Insert 3 into the equation</em>

11 - 3 < 7

<em>Simplify</em>

8 < 7

  • This is false
<h3><u><em>x = 5 is a solution to the equation 11 - x </em></u><u>< 7</u></h3><h3><u /></h3>

- PacificNorthwest

3 0
3 years ago
Read 2 more answers
Which diagram shows plane PQR and plane QRS intersecting only in QR
butalik [34]

Answer:

Correct choice is 3

Step-by-step explanation:

Two intersecting planes intersect in line consisting of all common points of both planes. You cna name this line knowing at least two common points of these two lines.

1 picture shows that planes PQS and PRS intersect in PS (common points are P and S).

2 picture shows that planes PRS and PQR intersect in PR (common points are P and R).

3 picture shows that planes PQR and QRS intersect in QR (common points are Q and R).

4 picture shows that planes PQR and PQS intersect in QP (common points are P and Q).

4 0
3 years ago
Read 2 more answers
An airplane travels
givi [52]
Velocity (against wind) = 2,688 km / 4 hr = 672 km/hr
Velocity (with wind) = 3,208 km / 4 hr = 802 km/hr
psa means plane velocity in still air
ws means wind speed
psa -ws = 672
psa +ws = 802  We add both equations and get
2 psa = 1,474
plane velocity (in still air) = 737 km/hr

psa +ws = 802 so that means

wind speed = 802 -737 = 65 km/hr

Source:
http://www.1728.org/veloccal.htm
(My website)


4 0
3 years ago
I am just confused can someone help please...
prohojiy [21]
The answer is B

sin=Opposite/Hypotenuse

sin=28/100

Divide numerator and denominator by 4

sin=7/25


Cosine=adjacent/hypotenuse

cos=96/100

Divide numerator and denominator by 4

cos=24/25


Tangent=opposite/adjacent

tan=28/96

Divide numerator and denominator by 4

tan=7/24

4 0
3 years ago
Yo i need answers asap if you want points tell me in the COMMENTS do not answer if you don't know or if you just want points. Th
MaRussiya [10]

Answer:

can i get some points?

Step-by-step explanation:

3 0
3 years ago
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