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torisob [31]
3 years ago
14

~~~50 POINTS~~~ Please help me on these five questions.

Mathematics
2 answers:
NeTakaya3 years ago
5 0
A) When x is made negative, it gets reflected over the x-axis.

B) When x and y is made negative, it gets reflected over the x-axis and y-axis.

C) Every y-value from the equation would be multiplied by 2, thus changing the shape of the graph. The slope is divided by 2.

D) Every x-value from the equation would be multiplied by 2/3, thus changing the shape of the graph. The slope is divided by 2/3.

E) x-values are divided by 2 and y-values are multiplied by 1.5.
Kazeer [188]3 years ago
3 0
So if talking about points on a graph then
a. x is made negative or opposite of what it is
basically, the x point would go x units from the zero line in the other way it is currently ie. reflected across the x axis

b. both x and y are positive,
basically the figure would be reflected across the x axis then reflected across the y axis (or y axis then x, doesn't matter)

c. y times 2
y is 2 times as high (gets bigger)

d. 2/3 times x
x is 2/3 as much as it was before (gets smaller)

e. 1/2 x and 1.5 y
x get's half smaller and y gets 1.5 bigger (x gets smaller, y gets bigger)
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Answer:

∠EGF = 65°

Step-by-step explanation:

Since EF = EG the triangle is isosceles and the base angles are equal, that is

∠EGF = ∠GEF

∠EGF = \frac{180-50}{2} = \frac{130}{2} = 65°

7 0
3 years ago
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∠abc measures 115° and ∠dbc measures 70°. What is the measurement of ∠abd?
olasank [31]

Answer:

45 °

Step-by-step explanation:

m< ABC = m< DBC + m< ABD

= 115 _ 70

= 45 °

3 0
2 years ago
I need help with this someone please help!
Dafna1 [17]

Answer:

Step-by-step explanation:

5 0
3 years ago
Three people pull simultaneously on a stubborn donkey. Jack pulls directly ahead of the donkey with a force of 90.5 N , Jill pul
Radda [10]

Answer:

Fn= 174.9 N : Magnitude of the net force the people exert on the donkey.

Step-by-step explanation:

We find the components of the forces in x-y-z

Force of  Jack in z   =F₁z=90.5 N in direction (+z)

Force of  Jill  in x     = F₂x= -82.3*cos45°= - 58.19 N (-x)

Force of  Jill  in y     =F₂y=-82.3*sin45°=   + 58.19 N (+y)

Force of  Jane  in x  =F₃x=125*cos45°=   + 88.4 N (+x)

Force of  Jane  in y   =F₃y=125*sin45°=   + 88.4  N (+y)

Calculating of the components of the net force the people exert on the donkey.

Fnx= F₂x+F₃x=( - 58.19+ 88.4 )N=30.2N (+x)

Fny= F₂y+F₃y=( 58.19+88.4 ) = 146.59 N (+y)

Fnz =F₁z=90.5 N  (+z)

Calculating of the magnitude of the net force the people exert on the donkey.

F_{n} =\sqrt{(F_{nx})^{2}+(F_{ny}) ^{2} +(F_{nz}) ^{2}   }

F_{n} =\sqrt{(30.2)^{2}+( 146.59) ^{2} +(90.5) ^{2}   }

F_{n} = 174.9 N

7 0
3 years ago
What square root expression represents the golden ratio?
Juli2301 [7.4K]
I believe the phi ratio^2 = 1 + phi ratio
phi ratio = 1.6180339
phi ratio^2 = 2.6180339


4 0
3 years ago
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