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SashulF [63]
1 year ago
9

Drag the tiles to the correct boxes to complete the pairs Match each inequality to the number line that represents its solution



Mathematics
1 answer:
Anna [14]1 year ago
5 0

Answer:

x ≤ 7 => - \frac{13x}{18} + \frac{5}{9}  \geq  - \frac{9}{2}

x ≤ 8 => -\frac{x}{10} + \frac{1}{5} ≥ -\frac{33}{55}

x ≤ -5 => - \frac{50x}{3} - \frac{11}{6} \geq \frac{163}{2}

x ≤ -6 => \frac{3x}{2} + 105 ≤ 96

Step-by-step explanation:

-\frac{x}{10} + \frac{1}{5} ≥ -\frac{33}{55}

\frac{1}{5} + \frac{33}{55} ≥ \frac{x}{10} / *10

2 + 6 ≥ x

8 ≥ x

- \frac{50x}{3} - \frac{11}{6} \geq \frac{163}{2}  / *6

- 100x - 11 ≥ 489

-500 ≥ 100x

-5 ≥ x

\frac{3x}{2} + 105 ≤ 96

\frac{3x}{2} ≤ 96 - 105  / * \frac{2}{3}

x ≤ -6

- \frac{13x}{18} + \frac{5}{9}  \geq  - \frac{9}{2}  /*18

-13x + 10 ≥ - 81

-13x ≥ -91 /:-13

x ≥ 7

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A landscaping company placed three orders with a nursery. The first order was for bushes, trees, and bundles of flowers, and tot
notsponge [240]

To add the bushes and trees, to get 19 bushes and 6 trees, but this wouldn't get me anywhere, because I don't have subtotals for the bushes and trees.

So I'll pick variables (b for the number of bushes and t for the number of trees) and set up a system of equations:

first order: 13b + 4t = 487

second order: 6b + 2t = 232

Multiplying the second row by –2, I get:

13b + 4t = 487

–12b – 4t = –464

This says that b = 23.

Back-solving, I get that t = 47.

Of course, the exercise didn't ask for the values of the two variables. Translating back into English, the solution is,

each bush is $23 and each tree is $47.

To learn more about the variable visits:

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8 0
2 years ago
(2 points) Consider the linear system y⃗ ′=[−35−23]y⃗ . Find the eigenvalues and eigenvectors for the coefficient matrix. ????1=
oksian1 [2.3K]

Answer:

Please see the attached file for the complete answer.

Step-by-step explanation:

Download pdf
6 0
3 years ago
Can someone help me with please??​
OverLord2011 [107]

Answer:

The angle is 35 degrees

Step-by-step explanation:

Since this is an isosceles triangle, we know that the two remaining angles must be the same. Set those angles equal to x. Now, we can solve for x by adding those two angles to the third angle and setting equal to 180.

x + x + 110 = 180

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6 0
3 years ago
Solve the following system of equations by substitution. Show all steps.
Alinara [238K]

Answer:

Given system of equations:

\begin{cases}f(x)=-x^2+2x+3\\g(x)=-2x+3\end{cases}

To solve by substitution, equate the equations and solve for x:

\begin{aligned}f(x) & = g(x)\\\implies -x^2+2x+3 & = -2x+3\\-x^2+4x & = 0\\x^2-4x & = 0\\x(x-4) & = 0\\\implies x & = 0\\\implies x-4 & = 0 \implies x=4\end{aligned}

Therefore, the x-values of the solution are x = 0 and x = 4.

To find the y-values of the solution, substitute the found values of x into the functions:

f(0)=-(0)^2+2(0)+3=3

g(0)=-2(0)+3=3

f(4)=-(4)^2+2(4)+3=-5

g(4)=-2(4)+3=-5

Therefore, the solutions to the given system of equations are:

(0, 3) and (4, -5)

4 0
2 years ago
Pls help with this question I don't know the answer. Don't put wrong answers pls.
Lapatulllka [165]

Answer:

-2 I believe. because the 1st exponent would make it 9, and then you'd remove 2

Step-by-step explanation:

I hope this is correct and helpful, I tried my best! <3

7 0
2 years ago
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