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stiv31 [10]
2 years ago
12

Please help meee!!!!

Mathematics
2 answers:
Stella [2.4K]2 years ago
6 0
The key words here are <em>less than</em> and <em>3 times</em>. Knee pads are represented by the variable<em> k</em>, and 3 times that price would be 3<em>k</em>. Now, skateboards are $5 less than that price, so the expression that gives the price of a skateboard is 3<em>k</em> - $5.
sertanlavr [38]2 years ago
5 0
First of all k=15 and all you have to do is multiply by 5 and 3 and get the answer of 15 then divide it by 3 and get the answer of 5


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The coordinate plane below represents a city. Points A through F are schools in the city. graph of coordinate plane. Point A is
Firlakuza [10]
Part A;
There are many system of inequalities that can be created such that only contain points C and F in the overlapping shaded regions.

Any system of inequalities which is satisfied by (2, 2) and (3, 4) but is not stisfied by <span>(-3, -4), (-4, 3), (1, -2) and (5, -4) can serve.

An example of such system of equation is
x > 0
y > 0
The system of equation above represent all the points in the first quadrant of the coordinate system.
The area above the x-axis and to the right of the y-axis is shaded.



Part 2:
It can be verified that points C and F are solutions to the system of inequalities above by substituting the coordinates of points C and F into the system of equations and see whether they are true.

Substituting C(2, 2) into the system we have:
2 > 0
2 > 0
as can be seen the two inequalities above are true, hence point C is a solution to the set of inequalities.


Part C:
Given that </span><span>Natalie can only attend a school in her designated zone and that Natalie's zone is defined by y < −2x + 2.

To identify the schools that Natalie is allowed to attend, we substitute the coordinates of the points A to F into the inequality defining Natalie's zone.

For point A(-3, -4): -4 < -2(-3) + 2; -4 < 6 + 2; -4 < 8 which is true

For point B(-4, 3): 3 < -2(-4) + 2; 3 < 8 + 2; 3 < 10 which is true

For point C(2, 2): 2 < -2(2) + 2; 2 < -4 + 2; 2 < -2 which is false

For point D(1, -2): -2 < -2(1) + 2; -2 < -2 + 2; -2 < 0 which is true

For point E(5, -4): -4 < -2(5) + 2; -4 < -10 + 2; -4 < -8 which is false

For point F(3, 4): 4 < -2(3) + 2; 4 < -6 + 2; 4 < -4 which is false

Therefore, the schools that Natalie is allowed to attend are the schools at point A, B and D.
</span>
7 0
3 years ago
Proving triangles similar
goldfiish [28.3K]

Answer:

x=11

Step-by-step explanation:

You do 38/3x+3 and 19/x+7 and then cross mulitply and get 57x+57=38x+266. Then yoy subtract 57 from 266 and get 57x=38x+209. Now you have to subtract 38 from 57 and then answer will be 19. So now you have 19x=209. Finally you divide 209 by 19 and get x=11. Good luck!

6 0
3 years ago
BIG POINTS FOR ANYONE WHO SOLVES DIS PLZ
vovikov84 [41]

The answer is

{36x}^{2}  + 12x + 1

If we put 36x^2, then the answer we would get is

{(6x + 1)}^{2}

Hope this helps :)

6 0
2 years ago
Read 2 more answers
Theta Company has the following variances at the end of February:
allochka39001 [22]

Answer:

Debit Cost of Goods Sold $710

Credit Material Price Variance $40

Credit Material Usage Variance $225

Credit Labor Rate Variance $110

Credit Labor Efficiency Variance $335

Step-by-step explanation:

Preparation of the journal entry to be passed by Theta Company at the end of the month of February to close the variances

Debit Cost of Goods Sold $710

($40+$225+$110+$335)

Credit Material Price Variance $40

Credit Material Usage Variance $225

Credit Labor Rate Variance $110

Credit Labor Efficiency Variance $335

(To close the variances)

8 0
2 years ago
In MNO, MM=(6x+1), m N=(3x-10)., and mO=(x+19).. Find mN.
Alisiya [41]

Answer:

9x - 9

Step-by-step explanation:

6x + 3x = 9x. 1- 10 = -9

Combine the like terms

7 0
2 years ago
Read 2 more answers
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