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olga_2 [115]
4 years ago
10

9. Mohammed copied this problem into his notebook.

Mathematics
1 answer:
Mkey [24]4 years ago
8 0

Answer:

Its B

Step-by-step explanation:

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Find the slope of the line through the pair of points a (2,-3) p(2,9)
Katarina [22]
(x₁,y₁) = (2,-3)
(x₂,y₂) = (2,9)

To determine the slope using two points lie on the line, we could use the following formula
m = \dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

plug in the numbers
m = \dfrac{9-(-3)}{2-2}
m = \dfrac{9+3}{0}
m = \dfrac{12}{0}
m = undefined

The slope is undefined, the line is vertical
6 0
3 years ago
-x(y+z) if a=2 b=-2 and c=4
egoroff_w [7]

Answer:

-4

Step-by-step explanation:

assuming xyz =abc

-x(y+z)

-2(-2+4)

(4-8)

=-4

5 0
3 years ago
At its closest distance, the moon is approximately 3.6 × 105 km from Earth. Mars, at its closest distance, is approximately 5.57
ira [324]

Answer:

The answer is 5.534 x107km

Step-by-step explanation:

7 0
4 years ago
Find a particular solution to y" - y' + 9y = 3 sin 3x
Dima020 [189]

Answer:

cos3x

Step-by-step explanation:

y" - y' + 9y = 3 sin 3x

D^{2}y-Dy+9y=3 sin3x

y=\frac{3 sin 3x}{(D^{2} -D+9}=3 sin 3x

here D^2 will be replaced by  \alpha^2 where \alpha is coefficient of x

y=\frac{3 sin 3x}{-3^{2} -D+9}

y=-3\frac{sin 3x}{D}

y=-3\int\ {sin 3x} \, dx

y=-3\frac{cos3x}{-3}

y=cos3x

hence Particular solution is cos3x

6 0
4 years ago
Apply the distributive property to create an equivalent expression.<br> 6(a + 2b +3c) =6(a+2b+3c)=
Daniel [21]
12a+24b+36c is the answer
6 0
3 years ago
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