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stira [4]
4 years ago
7

The perimeter of a rectangle is 34 centimeters.the length is two more than twice the width. Write and solve a system of liner eq

uations to find the length and the width of the rectangle
Mathematics
1 answer:
lisov135 [29]4 years ago
5 0

Answer:

5 cm. =

12 cm. =

Step-by-step explanation:

{ = 2 + 2

{34 = 2 + 2

34 = 2 + 2[2 + 2] ↷

34 = 2 + 4 + 4

34 = 4 + 6

- 4 -4

-------------

30 = 6

5 = [plug this back into the system of equations to get a length of 12 centimetres]

I am joyous to assist you anytime.

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Can someone please give me the answer I will mark u brilliant
otez555 [7]

Answer:

4. option A ---> m = 65h

Step-by-step explanation:

According to the question it states that,

  • m --> number of miles traveled.
  • h --> <u>over</u> hours

Now if we look at the table we need to find the starting point, or in other words, how much distance traveled in 0 hours. So we would divide miles / hours.

*Four hours, the variable in the question and in the table says n, but the answer choices says h, so I am saying h for hours just if you were wondering on it.*

distance (m) / hours (h)

130 / 2 = 65

195 / 3 = 65

325 / 5 = 65

455 / 7 = 65

So, our starting point, or numbers of miles traveled in 0 hours was 65. Now let us form an equation.

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3 0
3 years ago
A local Dominos sold a total of 1600 small pizzas ($9) and pasta dinners ($13) during the Super Bowl. How many of each did Domin
vitfil [10]
S=small pizzas
p=pasta dinners

s+p=1600

9s+13p=15600
multiply first equaiton by -9 and add to the second one

-9s-9p=-14400
<u>9s+13p=15600 +</u>
0s+4p=1200

4p=1200
divide by 4
p=300

sub back

s+p=1600
s+300=1600
minus 300 both sides
s=1300

1300 small pizzas
300 pasta dinners
5 0
3 years ago
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