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Whitepunk [10]
3 years ago
9

HELP WITH MATH !!!!!!!

Mathematics
2 answers:
erastovalidia [21]3 years ago
7 0

Answer:

the answer would be B

Step-by-step explanation:

bogdanovich [222]3 years ago
6 0
B.

to find the vector you look at the components. 2-4=-2 so the x component is -2, and 8-2=6 so the y component is 6. 
to find the magnitude you use pythagorean theorem
\sqrt{(-2)^2+6^2} = \sqrt{40} =  2\sqrt{10}
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Is the function a polynomial function?<br><br> f(x) = 4 -1/x^2
adoni [48]

Answer:

yes

Step-by-step explanation:

8 0
3 years ago
The volume of this sphere is 972x cubic inches. What is its radius?
agasfer [191]

Answer: 9

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Alice and Dave left school at the same time walking in opposite directions. Alice walked at an average speed of 280 ft/min and D
Svetach [21]

Answer:

600 ft

Step-by-step explanation:

Alice's Average Speed=280 ft/min

Dave's Average Speed=320 ft/min.

Distance = Average Speed X Time

In 1 minute, their distances from their starting point is determined below.

Alice's Distance=280 X 1=280ft

Dave's Distance= 320 X 1=320ft

Since they walk in opposite direction, their distance from each other will be the sum of their distances from the starting point.

Distance of Alice from Dave=280+320=600 ft

In 1 minute, they were 600 ft apart.

3 0
4 years ago
What is the completely factored form of x2 – 16xy 64y2? xy(x – 16 64y) xy(x 16 64y) (x – 8y)(x – 8y) (x 8y)(x 8y)
Alja [10]

The complete factored  form of the quadratic expression is (x-8y)(x-8y)

<h3>Factorizing quadratic expression</h3>

Quadratic expressions are expressions that has a leading degree of 2

Given the expression

x^2 – 16xy + 64y^2

Factorize

x^2 - 8xy - 8xy + 64y^2

Group

(x^2 - 8xy) - (8xy + 64y^2)

x(x-8y) - 8y(x - 8y)

Since (x-8y) is common, hence;

x^2 - 8xy - 8xy + 64y^2 = (x-8y)(x-8y)

The complete factored  form of the quadratic expression is (x-8y)(x-8y)

Learn more on factoring here: brainly.com/question/65494

#SPJ4

3 0
2 years ago
Can someone pwease help meh ;((
kompoz [17]

Answer:

Step-by-step explanation:

Part A:

(400-325)/(5-0)

75/5= 15 is the slope

Part B:

(0, 325) (5, 400)

y - 325 = 15(x - 0)

Part C:

y = 15x + 325

Part D:

x = 12

y = 15(12)+ 325

y = 180 + 325

y = $505

6 0
4 years ago
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