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FinnZ [79.3K]
3 years ago
5

Find the difference (10j-7)-(-9j+2)

Mathematics
2 answers:
JulijaS [17]3 years ago
6 0
(j-9) is your answer
Blizzard [7]3 years ago
5 0

To solve this problem all you need to do is to combine like terms. Like terms are terms with the same variables (for ex. 4x and 6x, 3y and 9y) and powers (for ex. e^2 and x^2).

Start by writing out the entire problem to be well organized and make it easier to see if you were to do this with pen and paper.

(10j - 7) - (-9j + 2)

Distribute the negative sign into everything inside of the parentheses on the right hand side. Rewrite the problem again (preferably after every step to make it easier to catch a mistake you made if you were to double check your work).

(10j - 7) + 9j - 2

Finish off this problem by combining like terms. Add 10j and 9j together, and also add -7 and -2 together. Your final answer should look like this:

19j - 9

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What is the value of 5(a + b) when a=1 and b=6 ​
lana [24]

Answer: 35

Step-by-step explanation:

We substitute a for 1 and b for 6.

5(1+6)=5(7)=35

5 0
3 years ago
Choose the triangle that seems to be congruent to the given one
vivado [14]

Answer:

A

Step-by-step explanation:

7 0
3 years ago
How to solve this math 3-3x6+2=
xz_007 [3.2K]
Lets change the equation.
3 -(3*6) +2           Multiply 3*6 first and get 18
3 -18+2         -     Same as 3-(18)+2
-15 +2                  3 -18 is the same as doing 18 -3, but with the negative
                             Do the same to -15 +2

Answer is -13
4 0
2 years ago
Read 2 more answers
Right triangle abc has one leg of length 6 cm, one leg of length 8 cm and a right angle at
Sauron [17]
Answer:
side length of the square = 10 cm

Explanation:
The attached image shows a diagram representing the scenario described in the problem.
Taking a look at this diagram, we can note that the side length of the square is equal to the hypotenuse of the right-angled triangle
Therefore, we can get the side of the square by calculating the length of the hypotenuse using Pythagorean theorem as follows:
(hypotenuse)² = (length of first leg)² + (length of second leg)²
(hypotenuse)² = (8)² + (6)²
(hypotenuse)² = 64 + 36
(hypotenuse)² = 100
hypotenuse = √100
hypotenuse = 10 cm

This means that the length of the side of the square is also 10 cm

Hope this helps :)

6 0
3 years ago
Giving brainlist to whoever answers
maxonik [38]

Answer: should be x> -18

Step-by-step explanation: hope this helps

6 0
2 years ago
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