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Morgarella [4.7K]
2 years ago
5

PLZ HELP I'M SO CONFUSED AND THIS IS TIMED

Mathematics
2 answers:
alexandr402 [8]2 years ago
5 0

<u>Value of</u><u> </u><u>x</u><u> </u><u>is</u><u> </u><u>3</u><u>0</u><u>°</u>

Answer:

Solution given:

x°+(5x)°=180°[being straight line which sum of angle is 180°]

adding like terms

(6x)°=180°

dividing both side by 6

(6x)°/6=180°/6

x=30°

algol [13]2 years ago
5 0

<u>Answer:</u>

  • The value of x is 30.

<u>Step-by-step explanation:</u>

<u>We know that:</u>

  • x + 5x + x + 5x = 360

<u>Work:</u>

  • => x + 5x + x + 5x = 360
  • => 12x = 360
  • => x = 30

Hence, <u>the value of x is 30.</u>

Hoped this helped.

BrainiacUser1357

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Find the maximum rate of change of f at the given point and the direction in which it occurs. f(x, y) = 4y sqrt (x) , (4, 5) max
liubo4ka [24]

Answer:

Remember that the maximum rate of change of f at a point u is the length of the of the gradient vector evaluate in u, and the direction in which it occurs is in direction of the gradient vector evaluate in u.

The gradient vector of f is

\triangledown f(x,y)=(\frac{\partial f}{\partial x},\frac{\partial f}{\partial y})=(2yx^{-\frac{1}{2}}, 4\sqrt x)

Then, the maximum rate of change is|\triangledown f(4,5)|=|(2*5*4^{-\frac{1}{2}}, 4\sqrt 4)|=|(5,8)|=\sqrt{5^2+8^2}=\sqrt89 in the direction of (5,8).

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3 years ago
Find the x-intercepts for the parabola defined by the equation below. y = x2 + 9x + 14
faltersainse [42]

Answer:

x - intercepts are (-7,0) and (-2,0)

A is the correct option.

Step-by-step explanation:

We have been given the equation of the parabola y=x^2+9x+14

For x- intercept, y = 0

0=x^2+9x+14

We can split the middle term as 9x = 7x +2x

x^2+7x+2x+14=0

Now take GCF

x(x+7)+2(x+7)=0

Factored out the common term

(x+7)(x+2)=0

Apply the zero product property

(x+7)=0,(x+2)=0

Solve for x

x=-7,-2

Hence, x - intercepts are (-7,0) and (-2,0)

A is the correct option.

4 0
3 years ago
Factor <br> 3x ^2 +20x+12
Alona [7]
3x^2+20x+12=3x^2+18x+2x+12\\\\=3x(x+6)+2(x+6)=(x+6)(3x+2)
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3 years ago
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F(x)=-2x -3 and g(x)=x^2 +5x,find g(2)-f(3)
Simora [160]

Answer:

f(3)= -9, g(2)=4

Step-by-step explanation:

F(3)= -2(3) -3

F(3)= -6 -3

F(3)= -9

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3 years ago
Bev has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. Calculate the area
bekas [8.4K]

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