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11Alexandr11 [23.1K]
4 years ago
7

Which trinomial is the product of the binomials (4n + 5m)(3n – m)?

Mathematics
1 answer:
Aleonysh [2.5K]4 years ago
3 0
Use the Distributive property to solve.
(4n+5m)(3n-m)=(4n*3n)+(4n*-m)+(5m*3n)+(5m*-m)
12n^2-4nm+15mn-5m^2
12n^2+11mn-5m^2

Hope that helps!
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Which line is parallel to the line that passes through the points (1,7) and (-3, 4)? A. y=--x-5 B. y=+*+1 y=-x-8 O c. D. 11 v==x
uysha [10]

Answer:

B

Step-by-step explanation:

because

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masya89 [10]

Answer:

I think you answer is 85

Step-by-step explanation:

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3 years ago
Which of the following graphs could be the graph of the function f(x) = x3 + 8?
Gelneren [198K]

It seems you missed to upload graphs given with the question. So i will draw the graph myself then explain the answer.


f(x)=x^3+8 is the given function which is created from parent function f(x)=x^3

Graph of x^3 is like graph of any odd degree function which starts from bottom and goes to top because of positive leading coefficient.

then there is +8 which means parent function is shifted 8 units upward.


You may directly plug some numbers to find points on f(x)=x^3+8 then join those points to get the graph easily.


like we can use numbers x=-2,-1,0,1,2,...

I will show you calculation for x=-2

f(-2)=(-2)^3+8=(-2)(-2)(-2)+8=-8+8=0

Hence first point is (-2,0)

Similarly you can find more points then use them to find the final graph as shown in attached picture.


6 0
3 years ago
Read 2 more answers
Find parametric equations for the path of a particle that moves along the circle x2 + (y − 3)2 = 16 in the manner described. (en
sveticcg [70]

Answer:

x(t) = 4 cos(-t)\\y(t) = 4 sin(-t) + 3\\

and t ∈ [0,2π]

Step-by-step explanation:

The standard equation for circle is:

(x-h) ^2 + (y-k)^2 = r^2

Comparing our equation with standard

x^2 + (y-3)^2 =16

h= 0,

k= 3

r= 4 (as in standard r², so r =√ r²)

Required:

Parametric equations of the circle

Formula:

x = r cos(t) + h\\y= r cos(t) +k

Putting values of r and h and k we get

x= 4 cos(t) + 0 \\x= 4 cost(t) \\y= 4 sin(t) + 3

As we need to start the object at (4,3)

x(0) = 4 and y(0) = 3

and the period is 2π

As the rotation is starting clock wise we will invert the value of t i.e -t

x(t) = 4 cos(-t)\\y(t) = 4 sin(-t) + 3\\

and t ∈ [0,2π]

5 0
3 years ago
Cari is searching online for airline tickets. Two weeks ago, the cost to fly from Boston to Hartiord was
cestrela7 [59]

Answer:

The percent of the air ticket went up 148%  plus the baggage fee would be 168%. The new total is 420$

Step-by-step explanation:

4 0
3 years ago
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