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mel-nik [20]
3 years ago
7

Simplify 7y + 3y - 17y.

Mathematics
2 answers:
11Alexandr11 [23.1K]3 years ago
6 0
7y+ 3y -17y
= (7+ 3 -17)*y (distributive property)
= -7y

The final answer is -7y~
tangare [24]3 years ago
5 0
They are all like-terms so you can add 7y+3y which equals 10y.  Then subtract 10y-17y and you get a negative number; -7y
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Can u answer this mathematics question and show your work
Mnenie [13.5K]

See this solution/explanation (answer is '7 meters'):

1. According to the condition 'y' means the height, and 'x' - the length from the start of the lift hill.

2. The phrase 'height of 343 meters' means y=343.

3. From the another side y=x³. If to substitute 343 instead of 'y': 343=x³, - it is possible to find the value of 'x'.

x=<u>7 [m]</u> - how far from the start of the lift hill...

5 0
2 years ago
Anna and Veronica are on the opposite sides of a tower of 160 meters height. They measure the angle of elevation of the top of t
MAXImum [283]

Answer: The distance between the girls is 362.8 meters.

Step-by-step explanation:

So we have two triangle rectangles that have a cathetus in common, with a length of 160 meters.

The adjacent angle to this cathetus is 40° for Anna, then the opposite cathetus (the distance between Anna and the tower) can be obtained with the relationship:

Tan(A) = opposite cath/adjacent cath.

Tan(40°) = X/160m

Tan(40°)*160m = 134.3 m

Now, we can do the same thing for Veronica, but in this case the angle adjacent to the tower is 55°

So we have:

Tan(55°) = X/160m

Tan(55°)*160m = X = 228.5 m

And we know that the girls are in opposite sides of the tower, so the distance between the girls is equal to the sum of the distance between each girl and the tower, then the distance between the girls is:

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8 0
2 years ago
Find the inequality represented by the graph.
Rainbow [258]

Answer:

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Step-by-step explanation:

Looking at the line, we notice that the y-intercept is 3, and the slope is -2/3, so using that information, we find the slope intercept form of the inequality, which is y(?)-2/3x+3 (the question mark is where the inequality symbol will be).

Looking at the line again, we see that it is shaded above (not below), so y is greater than the other side of the inequality.

Looking at the line AGAIN, we see the graph has a dashed line (not solid), so we are not dealing with an "or equal to" inequality.

Therefore, we should use the greater than symbol, creating the answer y>-2/3x+3.

5 0
3 years ago
Write this in words- 2.0120
babymother [125]
Two point zero one hundred twenty
7 0
3 years ago
Formula for calculating percentage?​
IRISSAK [1]

Answer:

(Frequency of the value being measured divided by the total frequency) times by 100

8 0
2 years ago
Read 2 more answers
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