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vaieri [72.5K]
2 years ago
8

what is an equation of the line that passes through the point (8,-3) and is perpendicular to the line y-15=6(x+2)

Mathematics
1 answer:
Tcecarenko [31]2 years ago
7 0

Answer: go dnejsheur kejru I didn't do this

Step-by-step explanation:

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What is x+2x=100<br><br> what is x?
Vesnalui [34]

I am not sure about the answer but all you have to think about is what is 100 divided by 3

8 0
3 years ago
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Which equations have the same value of x as Three-fifths (30 x minus 15) = 72? Select three options.
Anon25 [30]

An equation is formed of two equal expressions. The correct options are C, D, and E.

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

The value of x in the given equation is,

\dfrac35 (30x-15) = 72\\\\(6x - 3) = 72\\\\6x -3 = \dfrac{72}3\\\\6x = 24 + 3\\\\x = 4.5

Substitute the value of x in other option to check if the equations are equal are not. Therefore, the options can be written  as,

A.) 18x - 15 = 72

18(4.5) - 15 = 66

Thus, this will not return the same value.

B.) 50x - 25 = 72

50(4.5) - 25 = 200

Thus, this will not return the same value.

C.) 18x - 9 = 72

18(4.5) - 9 = 72

Thus, this will return the same value.

D.) 3(6x - 3) = 72

3[6(4.5) - 3] = 72

Thus, this will return the same value.

E.) x = 4.5

Thus, this will return the same value.

Hence, the correct options are C, D, and E.

Learn more about Equation:

brainly.com/question/226398

#SPJ1

7 0
2 years ago
What’s the answer for <br> A)<br> B)<br> C)
olga55 [171]

B:Because it says the lev of it

3 0
3 years ago
On the Bologna-Rome route of a high-speed train, 3/4 of the reservations are with departure from Bologna, while the remainder ar
svlad2 [7]

Step-by-step explanation:

First, we consider the calculation towards finding the total number of passengers who had booked the train in Florence. The main question to ask in answering this problem is

      \text{``If 20 passengers that board the train from Florence correlates to only} \ \displaystyle\frac{2}{5} \\ \text{of the bookings from Florence, then what is the total number of passengers} \\ \text{that booked regardless if the passengers boarded the train or not?"}

This statement can be phrase mathematically using the method of ratio and proportion as shown below

                                                    \displaystyle\frac{2}{5} : 1 \ = \ 20:x,

in which the variable x is the total number of passengers who booked the train from Florence.

Now, rewriting the above ratio into the form of fractions, yields

                                                         \displaystyle\frac{\displaystyle\frac{2}{5}}{1} \ = \ \displaystyle\frac{20}{x} \\ \\ \displaystyle\frac{2}{5} \ = \ \displaystyle\frac{20}{x} \\ \\ x \ = \ \displaystyle\frac{20}{\frac{2}{5}} \\ \\ x \ = \ 20 \ \times \ \displaystyle\frac{5}{2} \\ \\ x \ = \ 50

Given that a quarter out of all reservations is from Florence, then using the same method as before to evaluate the number of passengers that had booked the train (from both Bologna and Florence).

                                                         \displaystyle\frac{\displaystyle\frac{1}{4}}{1} \ = \ \displaystyle\frac{50}{y} \\ \\ y \ = \ \dsiplaystyle\frac{50}{\frac{1}{4}} \\ \\ y \ = \ 50 \ \times \ 4 \\ \\ y \ = \ 200,

where the variable y denotes the total number of bookings.

Therefore, the total number of passengers that had booked the train is 200.

Now, it is stated that all passengers who booked had boarded the train from Bologna which is 150 passengers (three-quarters of total bookings). Then, 36 passengers from earlier got off in Florence, while 20 passengers boarded.

Number of passengers left when arriving Rome = 150 - 36 + 20

                                                                                = 134 passengers

8 0
2 years ago
Please help, round to the nearest thousandth
Rom4ik [11]

Answer:

Your answer is 62.83cm²

~Hoped this helped~

~Brainiliest!~

7 0
2 years ago
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