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Flauer [41]
3 years ago
10

It’s about solving systems of equations does anyone know the answer please

Mathematics
1 answer:
Rasek [7]3 years ago
6 0

Answer:

A

Step-by-step explanation:

One Solution

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A commercial jet and a private airplane fly from Denver to Phoenix. It takes the commercial jet 1.1 hours for the flight, and it
FinnZ [79.3K]

Answer:

The speed of the private airplane is 770 mph, the speed of the commercial airplane is 980 mph.

Step-by-step explanation:

Let x mph be the speed of private airplane. If the speed of the commercial jet is 210 miles per hour faster than the speed of the private airplane, then the speed of commercial airplane is (x+210) mph.

It takes the commercial jet 1.1 hours for the flight, then it covered the distance of

1.1(x+210)\ miles

It takes the private airplane 1.8 hours for the flight, then it covered the distance of

1.8x\ miles.

The distances are the same, so

1.1(x+210)=1.8x\\ \\1.1x+231=1.8x\\ \\1.8x-1.1x=231\\ \\0.7x=231\\ \\7x=2,310\\ \\x=770

The speed of the private airplane is 770 mph, the speed of the commercial airplane is 770 + 210 = 980 mph.

3 0
3 years ago
Read 2 more answers
About 16 out of 20 homes have a personal computer. On a street with 200 homes, how many would you expect to have a personal comp
yawa3891 [41]
16/20
?/200
If 20*10=200 then do 16*10
160 houses. I don’t know what the proportion stuff would be
7 0
3 years ago
Solve for X<br> -12=12x+36
Rina8888 [55]

Answer: -4

Step-by-step explanation:

Subtract 36 by both sides (-12 - 36 = -48)

Now we have 12x = -48

Divide 12 by both sides. -48 / 12 equals -4

8 0
3 years ago
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PLEASE HELP ME........Refer to section 2.4.1. Transacting and revolving rate, beginning on page 54 of the report. Write two to t
PSYCHO15rus [73]

Answer:

Revolving credit allows you to borrow money when you’d like, in any amount you’d like, up to a set limit determined by the lender. Revolving accounts typically have minimum monthly payments, though you can pay more when you desire. Common examples include credit cards and home equity lines of credit.

Step-by-step explanation:

please mark as

6 0
3 years ago
Rita is saving up 15,000 to put a down payment on a condominium. If he starts with 8,000 saved and saves an additional $850 each
belka [17]
I think there is more to the question, but the equation to solve for the number of months until Rita has enough money to put a down payment for a condominium is 15,000=8,000+850X
3 0
3 years ago
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