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Elina [12.6K]
2 years ago
5

Alejandro made an error in the steps below when determining the equation of the line that is perpendicular to line 4x - 3y = 8 a

nd passed through the point (3,-2)
Mathematics
1 answer:
Ronch [10]2 years ago
5 0

 

Hello:<span>
the equation is : y = ax+b
the slope is a : a×(4/3) = -1......( perpendicular to a line with a slope of   4/3)            because :     4x-3y =8...y=(4/3)x-8/3    )     </span>

<span>
a = -3/4         y=(-3/4)x+b
the line that passes through (3, -2) :- 2 = (-3/4)(3)+b
b =1/4
<span> the equation is :  y  = (-3/4)x+1/4</span></span>

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Plz answer it's important
Westkost [7]

Answer:

AB = 4

Step-by-step explanation:

Since the line is horizontal then its length is the difference of the x- coordinates, that is

AB = | 8 - 4 | = 4 , or

AB = | 4 - 8 | = | - 4 | = 4

7 0
2 years ago
Tony Giacomin deposited $1600 on July 3rd in a special investment account which earns 13% p.A. Simple interest. On August 17th h
Burka [1]

Answer:

$248.75

Step-by-step explanation:

We are told that the interest rate is 13% per Annum = 13% per year

Hence, the interest rate in a month = 13% /12

= 1.0833333333% in a month

Tony Giacomin deposited $1600 on July 3rd in a special investment account which earns 13% p.A. Simple interest.

Interest = Principal × rate × time

Rate = 13% = 0.13

Time = July 3rd - November 12 = 132 days

= $1600 × 0.13 × 132/365

= $75.221917808

On August 17th he deposited another $5600 in the account. If he closed the account on November 12th

Interest = Principal × rate × time

Rate = 13% = 0.13

Time = August 17th - November 12 = 87 days

= $5600 × 0.13 × 87/365

= $173.52328767123288

The next step would be to add these Interests together

$173.52328767123288 + $75.221917808

= $248.74520548

Approximately ≈ $248.75

Therefore, his investment that he has earned over this period of time is $248.75

8 0
3 years ago
Find the length of the missing side. A) 1 ft B) 2 ft C) 3 ft D)
VikaD [51]

Answer:

The answer is B

Step-by-step explanation:

on the left picture 5 * 5 = 25 sq ft

on the right picture, 5 * 2 - 10 sq ft

So the answer is B

5 0
3 years ago
Read 2 more answers
Enzo and Beatriz are playing games at their local arcade. Incredibly, Enzo wins 5 tickets from every game, and Beatriz wins 11 t
Hoochie [10]

Given :Enzo wins 5 tickets from every game, and Beatriz wins 11 tickets from every game.We need to find the minimum number of games that Enzo could have played to win the same number of tickets.

The  minimum number of games that Enzo could have played to win the same number of tickets Will be the least common multiple of 11 and 5.

The  factors of 11 and 5 are

11=11x1

5= 5x1

Least common multiply = 11x5=5.

 The minimum number of games that Enzo could have played to win the same number of tickets is 55.

3 0
3 years ago
Read 2 more answers
How many t-shirts did the company purchase if their total cost was $100? Explain how you found your answer.
Mrrafil [7]
16 t-shirts

because the rate is $6.25
$100/$6.25 =16

Hope this helps ;)
3 0
3 years ago
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