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Bond [772]
3 years ago
8

HELP! DUE TODAY!! Will give brainiest

Mathematics
1 answer:
inna [77]3 years ago
6 0

Answer:

the equation is y=0.5x-2

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If a central angle of measure 30° is subtended by a circular arc of length 6 meters, as is illustrated below, how many meters in
Nana76 [90]
30 degrees = pi/6 radians
Arc Length = (radius)(angle in radians)
               6 = (radius)(pi/6)
       radius = 36/pi or approx. 11.5 m

3 0
3 years ago
What is the value of x in the equation 4/7 [21/8x + 1/2] =-2 [1/7-5/28]? Write your solution in decimal form.
Rainbow [258]
The answer is -6.39 but in fraction form it could be negative 147/23
4 0
3 years ago
ILL GIVE BRAINLIEST !! RANDOM ANSWERS WILL BE REPORTED!!
kap26 [50]

Answer:

15. 1

16. 1

17. X

18. ?

19. 1

20. p

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Tim and his sister chloe are both saving money to buy cell new phones. The Graph shows the amount of money in each acc based on
Arte-miy333 [17]

Answer:

a. The equation for the line representing Tim's account is y = 10·x + 40

b. The equation for the line representing Chloe's account is y = 20·x + 10

c. The solution to the system of equations is x = 3, y = 70

Step-by-step explanation:

a. The y-intercept of the graph for Tim's account = (0, 40)

A second point on the line graph of Tim's account = (3, 70)

The slope, m of a straight line equation, given two points on the line, (x₁, y₁), (x₂, y₂) is given as follows;

Slope, \, m =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

Therefore, the slope, m = (70 - 40)/(3 - 0) = 10

The equation for the line representing Tim's account in slope and intercept form is y = 10·x + 40

b. The y-intercept of the graph for Chloe's account = (0, 10)

A second point on the line graph of Chloe's account is also = (3, 70)

Therefore, the slope of the equation representing Chloe's account, m is given as follows;

m = (70 - 10)/(3 - 0) = 20

The equation for the line representing Chloe's account in slope and intercept form is y = 20·x + 10

c. The solution is found at the point where the two lines meet (are equal) as follows;

For Tim's account y = 10·x + 40

For Chloe's account y = 20·x + 10

Equating both equations gives;

y = y and 10·x + 40 = 20·x + 10

From which we have;

40 - 10 = 20·x - 10·x = 10·x

30 = 10·x

x = 30/10 = 3

x = 3

Therefore, haven found the x-coordinate value, the y-coordinate of the point which is the solution (where the two equations are equal or the two line graphs cross) of the two equations is given as follows;

y = 10·x + 40 where, x = 3, we have;

y = 10 × 3 + 40 = 70

y = 70

The point of the solution of the system of equations is (3, 70)

The solution to the system of equations is x = 3, y = 70.

3 0
2 years ago
Point G is the centroid of the right △ABC with hypotenuse AB=18 in. Find CG.
natita [175]
<h3>Answer:</h3>

6 in

<h3>Explanation:</h3>

CG is 2/3 the length of median CM, where M is the midpoint of AB. M is the center of the circumscribing circle, which has radius 9 in, so CM is 9 in, and CG is 6 in.

5 0
3 years ago
Read 2 more answers
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