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puteri [66]
3 years ago
5

Solve the two-step equation. -9x 0. 4 = 4 Which operation must be performed to move all the constants to the right side of the e

quation? Then, which operation must be performed to isolate the variable? The solution to the equation is x =.
Mathematics
1 answer:
AlekseyPX3 years ago
3 0

The steps needed to solve the given equation is required.

Adding the opposite value of the constant to both sides.

Divide both sides by the coefficient of the variable.

The solution to the equation is  

The given equation is

In order to solve this we first move constants to the side opposite of the variable.

This is done by adding the opposite value of the constant to both sides.

Here  is the constant so we add  to both sides.

Now, we divide both sides by the coefficient of the variable.

The solution to the equation is

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3. Jorge used 2 packs of pencils in the first 1/3 of the year. At what rate is Jorge using pencils?​
ANTONII [103]

Answer:

Jorge is using pencils at a rate of 6 packs a year or a rate of 2 packs every four months.

Step-by-step explanation:

1/3 of a year is four months so that would be 2 packs every four months and if you multiply that by three you’d get 12 month, or one year, and 6 packs of pencils.

7 0
3 years ago
Amy has two rows of 4 sports trophies on each of her three shelves. How many sports trophies does Amy have?
g100num [7]

Answer

Find out the how many sports trophies does Amy have .

To prove

Let us assume that the number of sports trophies Amy have be x.

As given

Amy has two rows of 4 sports trophies on each of her three shelves.

Than the equation becomes

x = 2 × 4 × 3

simply multiply the above terms

x = 24

Therefore there are 24 sports trophies  Amy have .




7 0
4 years ago
Read 2 more answers
Jim pays $75 per month for a cell phone plan plus $0.30 per minute beyond the first 1,000 minutes his bill was $105.60 last mont
oee [108]
105.60-75=35.60
35.60/.30=102
1000+102=1102. He used 1102 minutes
5 0
4 years ago
Read 2 more answers
) An engineer deploys a set of sensors. Each sensor reports its location as a point in two-dimensional space. The points are (2,
r-ruslan [8.4K]

Answer:

<em>The polygon area is </em>51.5 U^{2}<em />

Step-by-step explanation:

Points:

(2,7), (8,2), (6,11), (6,5), (11,6)

1. The area of the polygon could be calculate with the eqation:

A=\frac{1}{2}\left[\begin{array}{ccc}x_{1} &y_{1}\\x_{2} &y_{2}\\x_{3} &y_{3}\\x_{4} &y_{4}\\x_{5} &y_{5}\end{array}\right]

2. Replace the coordinates in equation for A:

A=\frac{1}{2}\left[\begin{array}{ccc}2&7}\\8&2\\6&11\\6&5\\11&6\end{array}\right]

3. Solve the determinant, and calculate A:

A=\frac{1}{2}\left[\begin{array}{ccc}2&7}\\8&2\\6&11\\6&5\\11&6\end{array}\right]\\A=\frac{1}{2}[(6)(7)+(11)(11)+(8)(6)+(6)(2)]-[(2)(11)+(6)(6)+(11)(2)+(8)(5)]\\A=\frac{1}{2}[42+121+48+12]-[22+36+22+40]\\A=\frac{1}{2}[223]-[120]\\\\A=\frac{1}{2}[103]=51,5 U^{2}

<em>The polygon area is </em>51.5 U^{2}<em />

8 0
4 years ago
What is the solution?
Dimas [21]

Answer:

2,-1

Step-by-step explanation:

first come the x axis and the y axis

8 0
3 years ago
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