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Genrish500 [490]
3 years ago
5

HELP!!! I am taking a final exam with 65 minutes left. please help me

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
5 0

Answer:

Step-by-step explanation:

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Evaluate the expression described below if the variable given is 9. Two times the difference of one-third of a number and three.
Mrac [35]

Answer:

Option C is correct.

The answer for the given expression is 0.

Step-by-step explanation:

Given the statement: Two times the difference of one-third of a number and three. and also variable given is 9.

Let x be the variable or number.

"One-third of a number"  means \frac{1}{3}x

Also, "difference of one third of a number and three " means \frac{1}{3}x-3

Now, "Two times the difference of one-third of a number and three" means   2 \times (\frac{1}{3} x -3)

Then, the expression for the given statement : 2 \times (\frac{1}{3} x -3)

Substitute the value of x =9 in above expression we have;

2 \times (\frac{1}{3}(9) -3) = 2 \times (3 -3) = 2 \times (0) = 0

therefore, the answer for the given expression is, 0


4 0
4 years ago
6) 4n - 8 = -2n + 5n<br><br> 7. 197=8(1-4a)+5a
Mashutka [201]

Answer:

6) n = 8

7) a = 32

3 0
3 years ago
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I need help finding the domain
natima [27]

Answer: [-11,4]

Step-by-step explanation:

yes in brackets

6 0
3 years ago
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Brent plays three sports: basketball, baseball, and soccer. He calculated the mean absolute deviation of the points he scored in
Flauer [41]

Answer:

basketball

I hope this is useful

8 0
2 years ago
Write a quadratic equation to represent the circle graphed on the right
Ivahew [28]

Answer:

<h2>The standard form: x² + (y + 1)² = 25</h2><h2>The general form: x² + y² + 2y - 24 = 0</h2>

Step-by-step explanation:

The equation of a circle:

(x-h)^2+(y-k)^2=r^2

(h, k) - center

r - radius

We have the center (0, -1) and the radius r = 5   <em>(look at the picture)</em>.

Substitute:

(x-0)^2+(y-(-1))^2=5^2\\\\x^2+(y+1)^2=25

<em>use (a + b)² = a² + 2ab + b²</em>

x^2+y^2+2y+1=25             <em>subtract 25 from both sides</em>

x^2+y^2+2y-24=0

5 0
4 years ago
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