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Tomtit [17]
2 years ago
11

Help me please, I’ll give brainliest!!

Mathematics
1 answer:
polet [3.4K]2 years ago
5 0

Answer:

A line that is perpendicular to y=2/5x-5 must have a slope of -5/2, but a line parallel to line y=5/2x+6 must have a slope of 5/2, and these slopes do not match up.

Explanation:

In order for a line to be parallel to another line, they must have the same slope. In order for a line to be perpendicular to another line, their slopes must be opposite reciprocals (meaning that when they are multiplied, the product is -1). From here you can find what slope the line must have to perpendicular or parallel to another line, and then you can see that the answers to not match up to be the same line!

Hope this helped :)

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Forty-five roses, plus some number of daffodils and tulips, are blooming in a garden.
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The maximum number of of bouquets the gardener could have made is 3

<h3>How to find unknown parameter</h3>

Total = 45

let

  • number of daffodils = x
  • number of tulips = y

Roses = 4x

Tulips = 4x + 15

Total = roses + daffodils + tulips

45 = 4x + x + (4x + 15)

45 = 5x + 4x + 15

45 = 9x + 15

45 - 15 = 9x

30 = 9x

x = 30/9

x = 3.33333333333333

Approximately,

x = 3

Let more about equation:

brainly.com/question/16863577

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2 years ago
Evaluate the square root of x^2 - 5x when x = 7. Round your answer to the nearest hundredth
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X^2-5x, given x=7,

(7)^2-5(7)=14

sqrt(14)=3.74
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2 years ago
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If the ratio of dogs to cats at an animal shelter is 2:5, then the number of cats is _____ times the number of dogs.
klio [65]
The answer is 2.5. Just make 5 and 2 0.4 as a ratio
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Evaluate each expression for the given value of the variable.<br> x + 2x - x - 1; x = 2
MaRussiya [10]

x + 2x - x - 1

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(2) + 2(2) - (2) - 1

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(2) + (4) - (2) - 1

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  • Solve from left to right.
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3 years ago
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Please Help! I will give you a lot of points! (6.3)
Mandarinka [93]

Let x be the yearly salary of an architect. Then the yearly salary of a lawyer is 2x-20000.

We can build an equation now! x+(2x-20000)=211000, because the yearly salary of an architect plus the yearly salary of a lawyer is 211000.

We combine like terms to get 3x-20000=211000.

We add 20000 to both sides to get 3x=231000.

We divide both sides by 3 to get x=77000, so the average yearly salary of a lawyer is 77000.

Then, the average yearly salary of an architect is 2(77000)-20000=154000-20000=134000, so the average yearly salary of an architect is 134000.

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