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german
3 years ago
11

18x + 7, when x = 2​

Mathematics
2 answers:
Ganezh [65]3 years ago
6 0

Answer:

43

Step-by-step explanation:

18x+7

=18×2+7

=36×9

=45

olchik [2.2K]3 years ago
6 0

Answer:

43

Step-by-step explanation:

x=2

18x+7

18(2)+7

36+7

43

Hope this helps ;) ❤❤❤

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Match the expressions with the nonpermissible replacements for y
pantera1 [17]

<em>-7 _D_</em>

<em>\frac{3}{2} _A_</em>

<em>1 _C_</em>

<em>\frac{-1}{4} _B_</em>

<em>_A_ \frac{y^{2} -2y+1}{2y-3}</em>

<em>_B_ \frac{y(y+5)}{4y+1}</em>

<em>_C_ \frac{5y^{2}-6y+1 }{-5(y-1)}</em>

<em>_D_ \frac{y^{2}-y-6 }{-2(y+7)}</em>


3 0
3 years ago
Read 2 more answers
T-shirts cost $11 each. Raphael graphs the relationships that give the cost y in dollars of buying x T-shirts. Which ordered pai
nikitadnepr [17]
The answer is B(2,22).
Since 1 shirt costs 11 dollars, 2 shirts will cost 22 dollars. Hope this helps!
7 0
3 years ago
Explain why their are no solutions to the system of inequalities <br> y ≤2x-5 <br> y ≥2x+1
rosijanka [135]

Answer:

Sorry this is late and I think this is right.

They are both parallel, they have the same slope, and do <em>not </em>intersect. If you were to draw a slope out for it, you would find this to be true.

For example: Say the question called for you to explain why there aren't any solutions to these system of inequalities:

<em>y < - 1/2x -3</em>

<em>y > 1/2x + 2</em>

<em>y= -x/2 -3</em> and <em>y= -x/2 + 2 </em>have the same exact slope, are parallel, and never intersect. The first line is 5 units below the second line when x = 0. Because the lines are parallel, it is always below the second line. The solutions of y < - x/2 -3 are the points in the plane below the first line. The solutions of y > 1/2 + 2 are points above the second line.

I hope this helps you. Good luck on whatever you're working on and stay safe! Please let me know if this helped you or didn't.

7 0
3 years ago
If you place a 10-foot ladder against the top of a 6-foot building, how many feet will the bottom of the ladder be from the bott
Anika [276]

Answer: 8 feet

Step-by-step explanation:

Draw a right triangle and label the sides using the given information. (Drawing below) Use pythagorean theorem to find the missing length:

a^2 + b^2 = c^2

(building)^2 + (missing piece)^2 = (ladder)^2

6^2 + x^2 = 10^2

36 + x^2 = 100. subtract 36

x^2 = 64. square root of both sides

x = 8

6 0
3 years ago
Mary eats 5 bananas and an additional 2 bananas when she works out for 2 hours. Represent the number of bananas that she eats wh
ElenaW [278]
For this item, we let x be the number of hours she works out and y be the total number of bananas that she will be eating after the workout. The expression that best described the given above is,
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5 is given as the y-intercept because of the initial condition. 
8 0
3 years ago
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