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grigory [225]
4 years ago
8

-(-51) + (-32) + (-40)

Mathematics
2 answers:
juin [17]4 years ago
8 0

Answer:

no its -21

Step-by-step explanation:

ill explain in the comments 1 min

lubasha [3.4K]4 years ago
7 0

Answer:

-42

Step-by-step explanation:

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How can you use a right angle to determine the classification of another angle
zimovet [89]
Since a right angle is 90 degrees you can classify other angles by seeing if they are less or greater than a 90 degree angle.If it's less than 90 degrees its an acute angle.If it is greater than 90 than its obtuse but its less than 180.180 is a straight angle
7 0
4 years ago
What points should I use to graph a linear line for Y= x+1
ivann1987 [24]

Answer:

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and for a bonus

y=x-3--> (0,-3) and (1,-2)

Step-by-step explanation:

8 0
3 years ago
How do I simplify (2x1/4) -4th power?
alina1380 [7]
Since the 2 and x^1/4 are multiplying we can do the math separately and then just multiply them afterwards

2^-4 is the same as 1/(2^4) which is 1/16

(x^1/4)^-4    (POWER RULES REVIEW)
                          2 exponents of same base you just add (basically multiply                                                                                                              the two)
so x^(1/4x-4)  = x^(-1)

which is just 1/x

so the answer is 1/16x
 
5 0
3 years ago
The original price of a jacket was 72.50$ Maria used a coupon for 20% off to buy the jacket. How much did she pay before tax?
Afina-wow [57]

Answer: Maria payed $58.00 for her jacket BEFORE tax.

Step-by-step explanation:

To find the answer to this question, we must first multiply 72.50 by 0.20. After doing so, we get 14.5 (this is the sale money). Finally, we subtract $72.50-14.5 to get out answer, 58 dollars.

3 0
4 years ago
A train travels a total of 38 km at a constant speed of 90 km/h.
Zarrin [17]

Answer:

25 minutes and 33 seconds

Step-by-step explanation:

please brainiest

5 0
3 years ago
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