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Lunna [17]
2 years ago
8

40)Find the slope of the line containing the points (5, -1) and (-8, -4).

Mathematics
1 answer:
Anna71 [15]2 years ago
8 0

9514 1404 393

Answer:

  A.  3/13

Step-by-step explanation:

The slope formula is ...

  m = (y2 -y1)/(x2 -x1)

Using the given points, this is ...

  m = (-4 -(-1))/(-8 -5) = -3/-13 = 3/13

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This is the best way to show you step by step. i love this website/app it’s called Math papa and you type in your problem and it helps you with the steps. this is how i got so good at math.

4 0
2 years ago
In some languages, every consonant must be followed by a vowel. How many seven-letter ‟words” can be made from the Hawaiian word
emmasim [6.3K]

Answer:

One. Kamala.

Step-by-step explanation:

7 0
2 years ago
Candice needs a plumber and must decide between 2 companies. For a service visit, Company A charges $60 to send a plumber plus $
Ber [7]
Since they meet at the $105 mark the answer would be $105
7 0
3 years ago
Vanessa purchased a smart TV for $1,500 on a payment plan. Four months after purchasing the TV, her balance was $1,200. 7 months
fredd [130]

Answer:

The expression for her balance is "B(t) = -75*t + 1500". It'll take her 20 months to pay off the loan.

Step-by-step explanation:

We are looking for a function that has the following points:

B(0) = 1500

B(4) = 1200

B(7) = 975

Between B(4) and B(7), there was a variation of 3 months and a variation of -225 on her balance, thefore for each month that passed there was a variation of -75. Thefore, the expression for her ballance is:

B(t) = -75*t + 1500

To check if this expression is valid, we will apply the values provided on the problem:

B(0) = -75*0 + 1500 = 1500 (valid)

B(4) = -75*4 + 1500 = -300 + 1500 = 1200 (valid)

B(7) = -75*7 + 1500 = -525 + 1500 = 975 (valid)

When she pays of her loan, B(t) = 0, so we need to solve for t as shown below:

B(t) = -75*t + 1500 = 0

-75*t + 1500 = 0

75*t = 1500

t = 1500 / 75 = 20 months

It'll take her 20 months to pay the loan.

8 0
2 years ago
Jessica purchased a dvd that was on sale for 12% off. the sales tax in her county is 3%. let y represent the original price of t
ohaa [14]

Jessica purchased a DVD that was on sale for 12% off.

The sales tax in her county is 3%.

Let, y represent the original price of the DVD.

We can simply solve this mathematical problem by using the following mathematical process.

Here, we will form an algebraic expression, according to the given data.

So,

The original price of the DVD = y

Discount on the original price :

y * 12/100

=3y/25

Price after discount :

y - 3y/25

=25y - 3y/25

=22y/25

Sales tax amount :

22y/25 * 3/100

11y/25 * 3/50

=33y/1250

Final price including the sales tax :

22y/25 + 33y/1250

1100y + 33y/1250

1133y/1250

(This will be considered as the final result.)

Learn more about sales tax here:brainly.com/question/9437038

#SPJ4

5 0
1 year ago
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