3 years ago

Simplify (5r^2t)^2(3r^0t^4)

Mathematics

1 answer:

Snezhnost [94]3 years ago

8 0

Answer

75r^4 t^2 + 25r^4 t^6

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Please select the best answer from the choices provided

FromTheMoon [43]

Answer:

$\sqrt{122}$

Step-by-step explanation:

Given that,

Vector n = 4i-j

Vector m = 3i+3j

We need to find the value of m+2n.

Put all the values,

m+2n = (3i+3j)+2(4i-j)

= (3i+3j)+8i-2j

=11i+j

Magnitude of vector,

$|m+2n|=\sqrt{11^2+1^2} \\\\=\sqrt{121+1}\\\\=\sqrt{122}$

So the correct option is (c).

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3 years ago

A quadratic equation is shown below: 3x2 − 16x + 2 = 0 Part A: Describe the solution(s) to the equation by just determining the

aleksandr82 [10.1K]

<span>i think you mean discriminant in part A </span>
Δ=b^2-4ac=256-4*2*3=256-24=232
it is positive so it has two answers.
Part B
you can find Δ
Δ=b^2-4ac=9-4*9*(-2)=81
x1=-3+9/18=6/18=1/3
x2=-3-9/18=-12/18=-2/3

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3 years ago

I need to understand the solution

vovangra [49]

Answer:

7/15 is your answer

Step-by-step explanation:

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Jordan has 12 feet of lumber to make wooden sign. If each sign requires 2/3 of a foot of lumber,how many sign can he make

slega [8]

Answer:

Step-by-step explanation:

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3 years ago

The roof of a castle tower is shaped like a cone. The base of the cone is 24 m across and the height is 16 m. The slant height o

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Answer:

20 cm slant height

Step-by-step explanation:

Everything in the picture.

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