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Colt1911 [192]
3 years ago
11

I'm still confused on solving equation! could you help do this?

Mathematics
2 answers:
DENIUS [597]3 years ago
4 0

\frac{1}{2} x - 3 = \frac{2}{3} (x-1) \\ \\\frac{1}{2} x - 3 = \frac{2}{3}x-\frac{2}{3}  \\ \\\frac{2}{3} - 3 = \frac{2}{3}x- \frac{1}{2} x \\ \\\frac{2}{3} - \frac{9}{3} = \frac{2*2}{3*2}x- \frac{1*3}{2*3} x\\   \\-\frac{7}{3} =\frac{1}{6} x  \\ \\-\frac{7}{3}*6 =\frac{1}{6} x*6 \\ \\ x=-14

Irina18 [472]3 years ago
3 0

\dfrac{1}{2} x-3=\dfrac{2}{3}(x-1)|\cdot6\\ 3x-18=4(x-1)\\ 3x-18=4x-4\\ 4x-3x=-18+4\\ x=-14

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Arrange the terms of the polynomial in descending powers of b 16-8b^7+5b-4b^5​
maria [59]

Answer:

-8b^7 - 4b^5 + 5b + 16

Step-by-step explanation:

The powers are indicated by the value of the exponents, so move top down.

6 0
3 years ago
How many solutions will there be to the following equation?
zmey [24]

Answer:

d. 2 solutions

+5/2,-5/2

Step-by-step explanation:

16x^2 = 100

x^2=100/16

x^2=25/4

X=√25/4

X=. +5/2,-5/2

So the answer is +5/2,-5/2

4 0
3 years ago
¿cuál es el máximo común divisor de 44c⁵, 22c³ y 11c⁴?​
igor_vitrenko [27]
Máximo común divisor es 11c3

I hope I read this problem correctly and that you understand. Let me know if you have any questions:)

5 0
3 years ago
Solve the linear programming problem. Minimize and maximize Upper P equals negative 20 x plus 30 y Subject to 2 x plus 3 y great
Alika [10]

Answer:

Maximum = 540 at (6,14)

Minimum = 300 at (0,10) or (12,2).

Step-by-step explanation:

The given linear programming problem is

Minimize and maximize: P = 20x + 30y

Subject to constraint,

2x+3y\ge 30            .... (1)

2x+y\le 26            .... (2)

-2x+3y\le 30            .... (3)

x,y\geq 0

The related equation of given inequalities are

2x+3y=30

2x+y=26

-2x+3y=30

Table of values are:

For inequality (1).

x      y

0     10

15     0

For inequality (2).

x      y

0     26

13     0

For inequality (3).

x      y

0     10

15     0

Pot these ordered pairs on a coordinate plane and connect them draw the corresponding related line.

Check each inequality by (0,0).

2(0)+3(0)\ge 30\Rightarrow 0\ge 30    False

2(0)+(0)\le 26\Rightarrow 0\le 26     True

-2(0)+3(0)\le 30\Rightarrow 0\le 30    True

It means (0,0) is included in the shaded region of inequality (2) and (3), and (0,0) is not included in the shaded region of inequality (1).

From the below graph it is clear that the vertices of feasible region are (0,10), (6,14) and (12,2).

Calculate the values of objective function on vertices of feasible region.

Point           P = 20x + 30y

(0,10)           P = 20(0) + 30(10) = 300

(6,14)           P = 20(6) + 30(14) = 540

(12,2)           P = 20(12) + 30(2) = 300

It means objective function is maximum at (6,14) and minimum at (0,10) or (12,2).

7 0
3 years ago
A company is offering newly hired employees three salary structures. One option computes raises by adding $1000 and then a 3% in
monitta

What's the issue? You gave the possible answers but that's about it.

7 0
4 years ago
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