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ehidna [41]
3 years ago
8

X = either 100 , 140 , or 120

Mathematics
2 answers:
umka21 [38]3 years ago
7 0
ANSWER EXPLANATION: 140

The circle is split into halves, so we know that the degree for the circumference is 180°. Then to find x, you add 30° and 10° which is 40° and subtract from 180° to get 140°.
Morgarella [4.7K]3 years ago
4 0

Answer:

I think it is 140, maybe?

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Solve:0.2(6x+1)/3.6=0.5x/9
Andrej [43]

Answer:

x = -0.2

Step-by-step explanation:

Cross multiply

9* 0.2(6x + 1) = 3.6 * 0.5x Combine the coefficients on the right.

1.8 (6x + 1) = 1.8 x                Remove the brackets on the left

1.8*6x + 1.8 = 1.8x               Multiply the factors on the left. Don't do anything with the plus sign

10.8x + 1.8= 1.8x                 Subtract 1.8 from both sides

10.8x = 1.8x - 1.8                 Subtract 1.8x from both sides

10.8x - 1.8x = -1.8

9x = - 1.8                             Divide by 9

x = -1.8/9

x = - 0.2

Check

This is one question you should check. There's lot's of room for an error.

<em><u>LHS</u></em>

0.2(6x+1)/3.6

0.2(6 * -0.2 + 1) / 3.6

0.2( - 1.2 + 1) / 3.6

0.2( - 0.2) / 3.6

- 0.04 / 3.6

- 0.011111111

<em><u>RHS</u></em>

0.5 ( - 0.2)/9

-0.1/ 9

- 0.0111111 And the left and right side check.

3 0
3 years ago
Whats the answer for this question?
lawyer [7]
-7(2 + n) + 1/3(-9 - 6n)
-14 - 7n -3 - 2n
-17 - 9n
6 0
3 years ago
Read 2 more answers
Find the equation of the line with a slope of 2/5 and containing the point (10,6).
Kipish [7]

Use the poin-slope form of the equation of a line:-


y - y1 = m(x - x1) (where m = slope and the point is (x1, y1))


Plugging in the given values:-


y - 6 = 2/5(x - 10)


multiplying through by 5:-


5y - 30 = 2(x - 10)

5y - 30 = 2x - 20

5y = 2x + 10


In standard form the equation is


2x - 5y = -10 (answer)



4 0
3 years ago
Factoring 0=6X^2+x-7
trapecia [35]
The answer is X=-7 and X=6
5 0
3 years ago
Solve for x and y 5x + 3y=35, 2x+4y=28​
Tatiana [17]
The answer would be:

y = 5

x = 4
5 0
3 years ago
Read 2 more answers
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