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Tresset [83]
2 years ago
5

PLS HELP WILL MARK BRAINLIEST

Mathematics
2 answers:
ahrayia [7]2 years ago
8 0
9(2j+7+5j) Foil this out to get 18j+7+45j then 63j+7

Answer: 18j+7+45j , 63j+7 I think
Wittaler [7]2 years ago
6 0
Answer
18j + 63 + 45j & 63j + 63

Explanation
What I did to solve this is you do 9 times 2j that will give you 18j then 9 times 7 that will give you 63 then 9 times 5 that will give you 45j. So your expression for that will be 18j + 63 + 45j. Now for the second expression what I did was I added that like terms 18j and 45j.
18j + 45j will give you an answer of 63j. Now the 63 you have because you multiplied 9 times 7, that stays the same, you don’t do anything to the 63. So your second expression will be 63j + 63.

Final answer:
first expression= 18j + 63 + 45j
Second expression= 63j + 63

Hope this helped you understand!
Your welcome and have a blessed
day/night :)
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Someone answer quick please for brainliest !
Rina8888 [55]

Answer:

The equation of the line is

y =  -  \frac{1}{2} x +  \frac{5}{2}

Step-by-step explanation:

Equation of a line is

y = mx + c

Where m is the slope

c is the y intercept

y = 2x + 3

Comparing with the above formula

m is 2

Since the lines are perpendicular the slope of the other line is the negative inverse of the original line .

That's

m = - 1/2

Equation of the line using point (1,2) and slope - 1/2 is

y - 2 = -1/2(x - 1)

y - 2 = -1/2x + 1/2

y = -1/2x + 1/2 + 2

The final answer is

y =   - \frac{1}{2} x +  \frac{5}{2}

Hope this helps you.

8 0
3 years ago
sixteen dictionaries weigh 11.52 pounds all together. each dictionary has the same weight in pounds,how much does one dictionary
iogann1982 [59]

Answer:

1.92 Pounds per dictionary


Step-by-step explanation:

Since 6 dictionaries weigh 11.52 pounds, and each of the dictionaries weigh the same, this is a simple division problem.

11.52/6=1.92


3 0
3 years ago
PLEASE HELP ME THIS IS DUE ASAP!!! I will mark brainliest if right!!! Explain!
Fed [463]

Answer:

Step-by-step explanation:

6 0
3 years ago
Refer to the figure below to complete the following problem.
IRINA_888 [86]

Answer:

38

Step-by-step explanation:

5x-7=3x+ll

5x=3x+18

2x/2=18/2

x    =9

5 x 9 -7 = 36

3 x 9 + 11=36

m D =36

3 0
3 years ago
What is the solution and the inequality ?
Nikolay [14]
Inequality : 19.50n+24≤$110

Solution: Alyssa can buy 4 DVDs

Work: 110-24=86
           86/19.50 = 4.4

You can't have a fraction of a DVD, so you have to round down to 4. 
4 0
3 years ago
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