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Vika [28.1K]
3 years ago
6

-2j = -20 + 26 slove fast pls solve for j

Mathematics
2 answers:
DedPeter [7]3 years ago
3 0

Answer:

<h2>j=-3</h2>

Step-by-step explanation:

dezoksy [38]3 years ago
3 0

Answer:

j = -3

Step-by-step explanation:

-2j = -20 + 26

-2j = 6

j = -3

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The first three steps for solving the quadratic equation by completing the square are shown. Fill in the missing number in the l
Oksi-84 [34.3K]

The first three steps for solving the quadratic equation by completing the square are as follows;

1. \rm 9x^2 +54x = 7

2. \rm 9(x^2 + 6x) = 7

3. \rm 9(x^2 + 6x + 9) = 7 + 81

Given

The quadratic equation given as  9x^2 + 54x = 7.

<h3>Quadratic equation;</h3>

The highest power of the degree is 2 is known as a quadratic equation.

To solve using the completing the square method.

The first three steps for solving the quadratic equation by completing the square are given below.

1. Write the equation in a way that the constants are on the right side while the terms with x are on the left.

\rm 9x^2 +54x = 7

2. Make sure that the coefficient of the x^2 term is 1.

\rm 9(x^2 + 6x) = 7

3. Adding a term to both sides that will complete the square on the left side.

This is done by dividing the coefficient of the x term by 2 and squaring it.

The same amount should be added to the right side to balance the equation.

\rm 9(x^2 + 6x + 9) = 7 + 81

To know more about quadratic equations click the link given below.

brainly.com/question/25963825

4 0
2 years ago
An exam starts at 10:10 and lasts for 75 minutes what time does the exam end pls help i will give brainliest
Sidana [21]

Given:

An exam starts at 10:10 and lasts for 75 minutes.

To find:

The time when the exam end.

Solution:

We have,

Starting time = 10:10

Exam duration = 75 minutes

First we will divide the 75 minutes in two parts 50 minutes and 25 minutes.

We know that 50 minutes after 10:10 is 11:00 and 25 minutes after 11:00 is 11:25. So,

10:10 + 75 minutes = 10:10 + 50 minutes +25 minutes)

                               = (10:10 + 50 minutes) +25 minutes

                               = 11:00 +25 minutes

                               = 11:25

Therefore, the exam ends at 11:25.

3 0
3 years ago
Simplify 8/-3 divided by -4/9 . (5 points)
densk [106]

Answer:

6

Step-by-step explanation:

Because 17/12=6

3 0
4 years ago
Can someone please help?​
TiliK225 [7]

Answer:

JUST USE THE CALCULATOR DUHHH!!!

7 0
3 years ago
A line is imaginary. <br><br> True or False?
Svetradugi [14.3K]

Answer:

The ideal line is a concept. A line that is drawn cannot be a mathematically true line since it will have a thickness - no matter how small. Also, it cannot be infinitely long - no matter how large.

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