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3 years ago

10

Sophie pays m dollars to rent a car for the weekend. On the drive

2 answers:

antiseptic1488 [7]3 years ago

7 0

Answer:

1/2m+25

Step-by-step explanation:

if melody pays 1/2 then sophie pays 1/2 too and then she also spends 25 so you just have to add them together.

Ymorist [56]3 years ago

3 0

Answer: 1/2m+25

Step-by-step explanation:

Hi, to answer this question we have to write an expression with the information given.

The total cost for Sophie is equal to the cost of the car rental (m) plus the cost of the gasoline (25) minus the amount that melody paid (half the cost of the car rental is m divided by 2).

Mathematically speaking:

m +25 - 1/2m

m- 1/2m +25

1/2m+25

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let x1,x2, and x3 be linearly independent vectors in R^(n) and let y1=x2+x1; y2=x3+x2; y3=x3+x1. are y1,y2,and y3 linearly indep

Nutka1998 [239]

Answer with Step-by-step explanation:

We are given that

$x_1,x_2$ and $x_3$ are linearly independent.

By definition of linear independent there exits three scalar $a_1,a_2$ and $a_3$ such that

$a_1x_1+a_2x_2+a_3x_3=0$

Where $a_1=a_2=a_3=0$

$y_1=x_2+x_1,y_2=x_3+x_2,y_3=x_3+x_1$

We have to prove that $y_1,y_2$ and $y_3$ are linearly independent.

Let $b_1,b_2$ and $b_3$ such that

$b_1y_1+b_2y_2+b_3y_3=0$

$b_1(x_2+x_1)+b_2(x_3+x_2)+b_3(x_3+x_1)=0$

$b_1x_2+b_1x_1+b_2x_3+b_2x_2+b_3x_3+b_3x_1=0$

$(b_1+b_3)x_1+(b_2+b_1)x_2+(b_2+b_3)x_3=0$

$b_1+b_3=0$

$b_1=-b_3$ ...(1)

$b_1+b_2=0$

$b_1=-b_2$ ..(2)

$b_2+b_3=0$

$b_2=-b_3$ ..(3)

Because $x_1,x_2$ and $x_3$ are linearly independent.

From equation (1) and (3)

$b_1=b_2$ ...(4)

Adding equation (2) and (4)

$2b_1==0$

$b_1=0$

From equation (1) and (2)

$b_3=0,b_2=0,b_3=0$

Hence, $y_1,y_2$ and $y_3$ area linearly independent.

5 0

3 years ago

Brainliest goes to the best answer!!

choli [55]

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6 0

3 years ago

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Last month John spent 75.00 dollars on games. This month he only spent $63.00. He spent ___ percent less this month.

Mkey [24]

Answer:

how dose this kid earn!?

Step-by-step explanation:idk

5 1

3 years ago

Read 2 more answers

Lou's shoe was 9.178 inches long, Helen's shoe was 7.093 inches long, Jay's shoe was 10.554 inches long and Craig's shoe was 4.1

Radda [10]

Answer:

38.03 in

Step-by-step explanation:

Step 1: Calculate Craig's shoe length.

It's 4.112 in longer than Helen's shoe, which is 7.093 in. So, we simply add those two numbers to get 11.205.

Step 2: Add up all of the numbers

Now that we have everyone's shoe lengths, we just add them all up to get 38.03 in.

Hope this helps!

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2 years ago

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Sedbober [7]

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3 years ago