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fomenos
3 years ago
7

Please show work Thxs

Mathematics
2 answers:
Leno4ka [110]3 years ago
8 0

Y intercept when x = 0

Substitute x = 0 into the equation

3(0)- 2y = -18

-2y = -18

y = 9

Answer

C) 9

natta225 [31]3 years ago
5 0
As the y intercept lies on the x-axis, x=0

To find the y-intercept, put x=0 into the equation:

3(0) - 2y =  - 18 \\ 0 - 2y =  - 18 \\  - 2y =  - 18 \\ y =  \frac{18}{2}  \\ y = 9

Therefore,the y-intercept=9.

Hope it helps!
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I'm not sure how I'm supposed to use this equation.can someone help me and explain?
masha68 [24]
So QRS equals to 158 degrees. Therefore, you need to do 8x+8+2x=158. This is so then you can find x. In order to find x, you'll need to combine the 2x and 8x(10x+2=158). Then subtract 2 from both sides(10x=156). Finally divide by 10(x=15.6). In order to find TRS, multiply 15.6 by 2 to get the angle measure. If you want to find QRT, plug 15.6 into the equation(multiply 8 and 15.6 and add 8=132.8)
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3 years ago
Given that f(x) = x² +8x+3 and g(x) = -x-7, which of the following is true?
Valentin [98]
B and C make sense to me.
4 0
2 years ago
So im doing triangles and all triangles equal 180 degrees but one corner = 32.1 another =95 the last one is ____? (remember it h
dexar [7]

Answer:

52.9

Step-by-step explanation:

180-32.1-95=

guessing you don't have a calculater or the patience to answer this

5 0
2 years ago
What is the maximum number of y-intercepts a line can have?<br> I will mark brainliest!
Tamiku [17]

Answer:

one

Step-by-step explanation:

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3 0
3 years ago
In the distribution, the first quartile,median and mean are 30.8,48.5 and 42.0 respectively. If the co efficient skewness is -0.
finlep [7]

Answer:

The third quartile is 56.45

Step-by-step explanation:

The given parameters are;

The first quartile, Q₁ = 30.8

The median or second quartile, Q₂ = 48.5

The mean, \bar x = 42.0

Coefficient of skewness = -0.38

The Bowley's coefficient of skewness (SK) is given as follows;

SK = \dfrac{Q_3 + Q_1 - 2 \times Q_2}{Q_3 - Q_1}

Plugging in the values, we have;

-0.38 = \dfrac{Q_3 + 30.8 - 2 \times 48.5}{Q_3 - 30.8}

Which gives;

-0.38×(Q₃ - 30.8) = Q₃ + 30.8 - 2 × 48.5

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1.38·Q₃ = 11.704 + 66.2 =  77.904

Q₃ = 56.45

The third quartile = 56.45.

5 0
3 years ago
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