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Naily [24]
3 years ago
9

Which equation describes a line perpendicular to the line described by? y=3x-5

Mathematics
1 answer:
Nat2105 [25]3 years ago
4 0
A line perpendicular means that the slope is the negative reciprocal of the slope given. Since m=3 in the given equation, the slope in the perpendicular line has to be m = -1/3. The y-intercept can be any number. 

So a line perpendicular would be y = -1/3x + b

Since you can plug anything into b, you can get many different answers. For example, y = -1/3x + 7 or y = -1/3x - 2
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yuradex [85]

The total amount raised is the sum of the amounts raised by the car wash and the dinner. The car wash raised 7c - 18. The dinner raised 6s - 45. We now add the expressions and combine like terms.

7c - 18 + 6s - 45

We need to combine like terms. Like terms are terms that have the same variables and the same exponents on the variables. 7c and 6s are not like terms since c and s are different variables. They cannot be combined together. Plain numbers, like -18 and -45 are lime terms because their variable parts are the same; they both have no variables.

7c - 18 + 6s - 45 =

= 7c + 6s - 18 - 45

= 7c + 6s - 63

Answer:  C.  7c + 6s - 63

4 0
3 years ago
Students in Miss Moseley's fourth grade class are learning multiplication, and they demonstrate mastery by passing assessments.
Karolina [17]

the number would be 17 and it would 3 weeks not including getting to 11 or 2. to get to get to 17.  
3 0
3 years ago
If g(x) = 4x2 - 16 were shifted 9 units to the right and 1 down, what would the new equation be? A. h(x) = 4(x + 9)2 – 17
ArbitrLikvidat [17]

Answer:

Step-by-step explanation:

If you move down 1 unit, you simply subtract 9 units from the given equation.

g(x) = 4x^2 - 16 - 1

g(x) = 4x^2 - 17

Shifting right is a little bit tricky. To shift right, you have to do the opposite of what you would do on the number line. The x has to become x - 9 because the x value (you will learn later) is part of a distance and distances always subtract one from the other.

The wrong way to do it is in answer A.

B is the correct answer

h(x) = 4(x - 9)^2 - 17

6 0
3 years ago
In ΔRST, r = 40 cm, s = 88 cm and t=70 cm. Find the measure of ∠S to the nearest degree.
sdas [7]

Answer:

102.835≈103

Step-by-step explanation:

7 0
2 years ago
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Can you pls help me it’s timed
Lerok [7]

Answer:

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Step-by-step explanation:

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3 years ago
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