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navik [9.2K]
3 years ago
9

The perimeter of a triangle with the length of x, 5x, and 6x-3

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
7 0
12x-3 as the perimeter means we have to add all the sides.
So in your case when add all the sides we will get 12x-3
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3 years ago
Write 0.9 as a fraction
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Answer:

The answer is 9/10

Step-by-step explanation:

it's 9/10

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3 years ago
A rectangle has a height of 5 and a width of 4x2– 2x - 6.
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Answer:

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5 0
3 years ago
Harrison went out to buy coffee for his classmates. There are 23 students in his class, counting Harrison himself. Some wanted m
NemiM [27]

Step-by-step explanation:

Let's represent the number of mochas bought with the variable M, and the number of lattes bought with the variable L.

Since there are 23 students, the total number of mochas and lattes bought must be 23. This can be represented with the following equation:

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We can also set up another equation based on the total amount spent on the coffe:

4.30M + 3.50L = 87.70

If we rearrange the first equation, we can solve for M:

M = 23 - L

If we substitute this into the second equation, we can solve for L:

4.30(23 - L) + 3.50L = 87.70

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98.9 - 0.8L = 87.7

0.8L = 11.2

L = 14

Subtituting this back into the original equation, we can solve for M:

M + L = 23

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Therefore, 9 mochas and 14 lattes were bought.

3 0
3 years ago
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