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Reika [66]
3 years ago
11

Anyone please help me solve for x and Y will give brainliest ​

Mathematics
2 answers:
Masteriza [31]3 years ago
8 0

Answer:

X= Subtract 9 i from both sides of the equation.

Y= Isolate the variable by dividing each side by factors that don't contain the variable.

Answer:

x = − 5 − y i − 9 i

y = x i − 9 + 5 i

Vedmedyk [2.9K]3 years ago
6 0

Answer:

x = - 5, y = - 9

Step-by-step explanation:

Given

x + 9i = - 5 - yi

For the 2 sides to be equal then the coefficients of like terms must be equal.

x = - 5 and 9 = - y ⇒ y = - 9

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3) Sue and Jim are driving on the highway. Sue takes 24 minutes to drive 40 km. If Jim drives
yKpoI14uk [10]

Answer:

69min

Step-by-step explanation:

sue: 24min 40km

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×115

115 km = 69 min

6 0
3 years ago
A triangular pyramid has a height of 27 yards and a base with an area of 210 square yards.
Semenov [28]

Answer:

1890 yd³

Step-by-step explanation:

V = ½Ah

= ½ × 210 × 27

= 1890 yd³

The  volume of the pyramid is 1890 yd³.

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3 years ago
A plane takes off at an angle of elevation of 15° and travels in a straight line for 3,000 meters. What is the height of the pla
vampirchik [111]

check the picture below.


make sure your calculator is in Degree mode.

3 0
4 years ago
Read 2 more answers
Use the chain rule to find the indicated partial derivatives. z = x4 + x2y, x = s + 2t − u, y = stu2; ∂z ∂s , ∂z ∂t , ∂z ∂u when
mafiozo [28]
By the chain rule,

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\dfrac{\partial z}{\partial s}=(4x^3+2xy)(1)+(x^2)(tu^2)

When (s,t,u)=(3,1,2), we get (x,y)=(3,12), so at this point the partial derivative of z with respect to s takes on a value of

\dfrac{\partial z}{\partial s}\bigg|_{s=3,t=1,u=2}=216
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4 years ago
What is an equation in point-
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3 years ago
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