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FinnZ [79.3K]
3 years ago
5

The number of students in a school's math club is ten less than twice the number of students in the art club. Let a represent th

e number of students in the art club. Write an expression for the number of students in the math club.
Mathematics
1 answer:
Alborosie3 years ago
5 0

Answer:    2a - 10

Step-by-step explanation:

a represents the number of students in the art club.

The number of students in a school's math club is ten less than twice the number of students in the art club.

ten less = - 10

twice the number of students in the art club = 2*a

2a - 10 = the number of students in the math club

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19/20 in simplest form is 0.95
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7 0
3 years ago
Christian wants to make an A in his class. There are 5 exams this year, and he has taken 4 of them. His grades were 84, 88, 95,
ioda

Answer:

last test grade=x     x ≥ 79 so 79%

Step-by-step explanation:

(84/5)+(88/5)+(95/5)+(104/5)+(x/5) ≥ 90

Simplify: (371/5)+(x/5) ≥ 90

Subtract (371/5) from both sides

Then you have (x/5) ≥ (79/5)

Then multiply both sides by 5 and you have x ≥ 79

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3 years ago
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aleksandr82 [10.1K]
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3 years ago
PLEASE HELP ME I HAVING TROUBLE
viktelen [127]

Answer: f(-6) = -\frac{12}{11}, f(-4) = \frac{8}{9}, f(4) = -\frac{8}{9}, f(6) = \frac{12}{11}

<u>Step-by-step explanation:</u>

(-6, f(-6)) is an x,y coordinate.  They are asking what the y-value is when you plug in -6 for x.

f(x) = \frac{2x}{x^{2}-25}

f(-6) = \frac{2(-6)}{(-6)^{2}-25}

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f(-4) = \frac{2(-4)}{(-4)^{2}-25}

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f(4) = \frac{2(4)}{(4)^{2}-25}

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      = \frac{8}{-9}

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f(6) = \frac{2(6)}{(6)^{2}-25}

      = \frac{12}{36-25}

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5 0
3 years ago
Which of the following are equations for the line shown below? Check all that
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Answer:

<u>\fbox{ Correct Answer Option B \& D}</u>

Step-by-step explanation:

Hello, to be the correct equation of line the given equation must satisfy all the points lying on that line.

I've solved all the equation for given both the points and concluded Option B & C are the correct equation for the line. The image of solution I'm attaching with this answer.

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6 0
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