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Neporo4naja [7]
3 years ago
12

(-5ab+4a+4) - (2ab-1)

Mathematics
2 answers:
kaheart [24]3 years ago
7 0

Answer:

−7ab+4a+5

Step-by-step explanation:

−5ab+4a+4−2ab+1

(−5ab−2ab)+4a+(4+1)

−7ab+4a+5

kaheart [24]3 years ago
4 0

Answer:

-7ab+4a+3

Just [add/subtract] all like terms.

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city workers are paving a street that is 1 1/2 miles long. if they repave 1/4 mile per day, how long will it take to repave the
Pie
The question is to find out how many times 1/4 is equal to 1 1/2
First lets convert the total:
1 1/2 = 2/2 + 1/2 = 3/2
now we need to find out a number that multiplied by 1/4 gives 3/2, that is an equation:
(1/4)x = 3/2
and solving for x:
x = (3/2)*4
x = 12/2
x = 6
therefore they will take 6 days to repave the whole street
7 0
3 years ago
Just a tad bit more points :)
swat32

Answer:

Thx have a great day :)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the vertex of y<∣x−3∣+5​
Tcecarenko [31]

Answer:

(3, 5)

Step-by-step explanation:

The graph is is the standard y=|x| except the values tells you that x shifts 3 (within the absolute value or parentheses x does the opposite) to the right and the y value shifts 5 up (numbers outside parentheses affects y and does what it says). You can try using a table of values then graphing to check your answer.

3 0
2 years ago
Help me on 5.<br> Answer please
Ket [755]

Answer:

5/8

Step-by-step explanation:

1 - 3/8

1 + (-3/8)

5 0
3 years ago
12 POINTS<br>Simplify i38. <br> i <br> −1 <br> −i <br> 1
Karolina [17]
Are you sure you've copied down the original problem exactly as given?  i38 = 38i can't be simplified.  Perhaps you meant i^38, which is a different matter.

Note that i^38 = i^32 * I^4 * I^2.

Note that i^0, i^4, i^8, etc., all equal 1.  Therefore,

i^38 = (1)(1)i^2 = 1*(-1) = -1 (answer)
3 0
3 years ago
Read 2 more answers
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