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fgiga [73]
3 years ago
11

Simply the expression by combining the like terms: -6j + 4 + 2j - 1

Mathematics
1 answer:
Svetllana [295]3 years ago
3 0

Answer:

-4j + 3 <em>or</em><em> </em>3 - 4j

Step-by-step explanation:

you can combine the terms in any order that you want, but i'm going to begin with the j terms.

first, identify the like terms.

-6j + 4 + 2j - 1

then combine the like terms.

-6j + 2j = -4j

now identify the next set of like terms.

-6j + 4 + 2j - 1

combine those like terms.

4 - 1 = 3

after combining the first set of like terms, you're left with: -4j

after combining the second set of like terms, you're left with: 3

therefore the simplified expression is -4j + 3 or 3 - 4j. rearranging those terms doesn't change the answer, so it doesn't matter what order you write it in.

i hope this helps!! have a great rest of your day :)

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Help pleaseee!!!!!!!
Crank

Answer:

1. 180

2. 300

3. 480

Step-by-step explanation:

1. Since 30% of 600 (or 0.3 * 600) = 180, the 1st blank is 180.

2. 50% of 600 (also easy to just think of one half {1/2}) = 300

3. Because 180 + 300 = 480

hope this helps:)

4 0
2 years ago
PLEASE HELP!!<br><br>find x​
Natalija [7]

Answer:

\frac{7}{2}\sqrt{3}

Step-by-step explanation:

the ratio of hypotenuse to longer leg of 30-60-90 triangle is 1 to sqrt(3)/2, and multiply by 7 to obtain answer

8 0
3 years ago
If the amount of vat paid by a customer while buyong a bag at 13℅ vat rate rs 143 ,find the cost of bag without vat​
Darya [45]

Step-by-step explanation:

vat %=13%

vat=143

vat = vat% of sp (i.e sp without vat)

143 = 13/ 100 of sp

143*100=13sp

14300/13 = sp

sp=4766.67

therefore the cost of bag without vat is rs.4766.67

6 0
3 years ago
dr. wong can see 9 patients in 3 hours, at this rate how long willl it take dr too see 72 patients?  PLEASE HELP!!!
Nataly [62]
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6 0
3 years ago
Read 2 more answers
one more than seven times the difference of a number and 4 is equivalent to twice the difference of the number and 1
slava [35]

Answer:

the number is 5

Step-by-step explanation:

We have to find the equation to solve the problem.

Let the number be x

lets write one more than seven times the difference of a number and 4  in mathematical form

1. Difference of number and 4 will be written as x - 4

now

2. seven times the difference of a number and 4 will be written as

7*( x - 4)

3. one more than seven times the difference of a number and 4 is expressed as

1 + 7*( x - 4)

_____________________________________________

1 + 7*( x - 4) is equal to twice the difference of the number and 1

4. difference of the number and 1 is x - 1

5.  twice the difference of the number and 1 is 2*(x-1)

Thus,

1 + 7*( x - 4) = 2*(x-1)

=> 1 + 7x - 28 = 2x -2

=> 7x - 27 = 2x - 2

adding 27 both sides

=> 7x - 27 + 27 = 2x - 2 + 27

=> 7x = 2x + 25

subtracting 2x from both sides

7x -2x = 2x + 25 - 2x

=> 5x = 25

dividing both side by 5

5x/5 = 25/5

x = 5

Thus, the number is 5  answer

8 0
3 years ago
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