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4 years ago

Let u = <-3, -5>, v = <-3, 1>. Find u + v.

1 answer:

5 0

That's easy man just take x from both coordinates and add them. Then take y from each coordinate and add them. You come out with D, (-6, -4).

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The sum of Randy’s age and Mike’s age is 41. The difference of their ages is 7. Mike is older than Randy.

inysia [295]

Answer: 41-7=m

Mike is 34 yrs

Step-by-step explanation:

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3 years ago

Which of the following sets of numbers could not represent the three sides of a triangle?

timama [110]

Answer:

Step-by-step explanation:

In order for the sides lengths to form a triangle, the sum of the shortest two must exceed the longest.

That will not be the case for ...

{13, 16, 30}

because 13 +16 = 29 < 30.

(13, 16, 30} could not form a triangle

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2 years ago

Join in khoot 4231238 its my teacher

Lyrx [107]

Answer:

ill try lol

Step-by-step explanation:

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5 0

3 years ago

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Let P(x) be the number of people in the U.S. who own a cell phone x years after 1990. Your friend says that P(x+1)>P(x) for a

stich3 [128]

Yikesss looks hard well good like imma watch some anime

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4 years ago

Solve the system of equations 4x - 2y =8 3x + 4y = 17

igor_vitrenko [27]

Answer:

Solution: x = 3, y = 2, or (3, 2)

Step-by-step explanation:

Given the systems of linear equations with two variables:

$\displaystyle\mathsf{\left \{{Equation\:1:\:4x - 2y =\:8} \atop {Equation\:2:\:3x + 4y = 17}} \right}$

The <u>process of elimination</u> will be used to solve for the solution to the given problem.

First, we must multiply Equation 1 by 2:

(2)[4x - 2y] = 8(2)

8x - 4y = 16

Add the revised Equation 1 (from the previous step) to Equation 2:

$\displaystyle\mathsf{\left \ {{\quad \:\:\:8x\:- 4y = 16} \atop + {\quad\underline {\:\:3x\:+ 4y = 17\:} \underline}} \right.}\\\displaystyle\mathsf{\qquad\:\:11x\qquad\:=33}$

Next, divide both sides by 11 to solve for x:

$\displaystyle\mathsf{\frac{11x}{11}\:=\:\frac{33}{11}}$

x = 3

Substitute the value of x = 3 into Equation 1 to solve for y:

4x - 2y = 8

4(3) - 2y = 8

12 - 2y = 8

Subtract 12 from both sides:

12 - 12 - 2y = 8 - 12

- 2y = -4

Divide both sides by -2 to solve for y:

$\displaystyle\mathsf{\frac{-2y}{-2}\:=\:\frac{-4}{-2} }$

y = 2

<h2><u>Double-check:</u></h2>

In order to verify whether we have the correct values for the solution, substitute x = 3, and y = 2 into both equations:

Equation 1: 4x - 2y = 8

4(3) - 2(2) = 8

12 - 4 = 8

8 = 8 (True statement).

Equation 2: 3x + 4y = 17

3(3) + 4(2) = 17

9 + 8 = 17

17 = 17 (True statement).

Therefore, the solution to the given system is x = 3, y = 2, or (3, 2).

4 0

3 years ago

Read 2 more answers