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3 years ago

12

In a race, Bethany is located -60 1/2 meters relative to her friend, Monica after 2 1/5 minutes. Assuming both girls are running

at a constant rate, what was Bethany’s location relative to Monica’s after 1 minute?
Enter your answer as a mixed number, in simplest form,in the box

1 answer:

Alinara [238K]3 years ago

6 0

Answer:

30.12.5

Step-by-step explanation:

happy ro help :))))

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Explain how to determine if something is a vector space or not

nlexa [21]

All you do is referring to the following definition:

Definition: A<span> vector space </span>is a set V on which two operations + and · are defined, called<span> vector addition </span>and<span> scalar multiplication.</span>

The operation + (vector addition) must satisfy the following conditions:

Closure: If u and v are any vectors in V, then the sum u + v belongs to V.

(1)<span> Commutative law: </span>For all vectors u and v in V, u + v = v + u

(2)<span> Associative law: </span>For all vectors u, v, w in V, u <span>+ (v</span> + w<span>) = (u</span> + v) + w

(3)<span> Additive identity: </span>The set V contains an<span> additive identity </span>element, denoted by 0, such that for any vector v in V, 0 + v = v and v + 0 = v.

(4)<span> Additive inverses: </span>For each vector v in V, the equations v + x = 0 and x + v = 0 have a solution x in V, called an<span> additive inverse </span>of v, and denoted by - v.

The operation · (scalar multiplication) is defined between real numbers (or scalars) and vectors, and must satisfy the following conditions:

Closure: If v in any vector in V, and c is any real number, then the product c · v belongs to V.

(5)<span> Distributive law: </span>For all real numbers c and all vectors u, v in V, c · <span>(u</span> + v) = c · u + c · v

(6)<span> Distributive law</span>: For all real numbers c, d and all vectors v in V, (c+d) · v = c · v + d · v

(7)<span> Associative law</span>: For all real numbers c,d and all vectors v in V, c · (d · v) = (cd) · v

(8)<span> Unitary law</span>: For all vectors v in V, 1 · v = <span>v</span>

6 0

3 years ago

HELP! will mark BRAINILEST !

Sedbober [7]

I like A as the best one

420 = 100*price - (fixed costs)
220 = 60*price - (fixed costs)

If we subtract one from the other one, we get 200 = 40*price, price = 5
that said, fixed costs are 500 - 420 = 80

Now if we move -220 to the right in Answer A, we'll get:

y = 5x -300 + 220 = 5x - 80

So it looks like A describes the model best

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3 years ago

Algebra 2 questions

Juliette [100K]

Answer:

x = 3

Step-by-step explanation:

The fractions need to have common denominators. So, we would make the common denominator (x + 3)(x - 3), or, x^2 - 9

Multiply the numerator by the same number or variable as the denominator and then combine.

Once their is x and a number left you would solve for x.

4 0

3 years ago

10(a-2.5+0.56b) is this equivalent to 10a - 25+56b

kirill115 [55]

Hey there!

10(a - 2.5 + 0.56b)

= 10(a) + 10(-2.5) + 10(0.56b)

= 10a - 25 + 5.6b

= 10a + 5.6b - 25

Therefore, your answer is: 10a + 5.6b - 25

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

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3 years ago

Write and inequality for the following statement: c is less than 6

Talja [164]

In order to solve this exercise you need to remember the following symbols in Inequalities:

1. The meaning of this symbol is "Greater than":

$>$

2. The meaning of this one is "Less than":

3. The following symbol means "Less than or equal to":

$\le$

4. And this one means "Greater than or equal to":

$\ge$

Knowing the above, you can determine that the statement "c is less than 6", can be written as the following inequality:

$c$

The answer is:

$c$

7 0

1 year ago