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Sindrei [870]
3 years ago
5

Which expressions are equivalent to z + (z + 6)?

Mathematics
1 answer:
katrin2010 [14]3 years ago
3 0

Answer:

z=3 because in the 2(z+3) is like (z+2)+(z+6)

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Giving brainliest for correct answer !!
MrMuchimi

Answer:

the 2nd and 5th one

Step-by-step explanation:

14 < n-3

add 3 to each side

14+3=17

-3+3 cancels out

we're left with 17<n

thus meaning the second and fifth one are correct

6 0
3 years ago
Read 2 more answers
When renting a limo for prom, the number of people is inversely proportional to the cost per person. Originally there were 5 peo
Oksana_A [137]

Answer: The cost per person would be $15.20.

Step-by-step explanation: The price $40 per person when you have 5 people, is 8,8x the price per person. So, if you have 6 people more, you have 8,8x6 less in the price.

8,8 x 6 = 52,80.

44 x 5= 220,00. That was the cost for the limo for 5 people.

It means 220,00 - 52,80 = 167,20 (new price for 11 people)

167,20 ÷ 11 (new price per person) = 15,20.

3 0
3 years ago
To find the standard equation for a circle centered at the origin, we use the distance formula, since the radius measures? A. Th
masya89 [10]

Answer:

  A. The distance from any point in the circle to the origin

Step-by-step explanation:

The distance formula tells you that the distance (d) is related to the coordinates of two points (x1, y1) and (x2, y2) by ...

  d² = (x2 -x1)² +(y2 -y1)²

For points (x, y) on the circle and (0, 0) at the origin, this becomes ...

  d² = (x -0)² +(y -0)²

If we want the distance to the point (x, y) to be equal to the radius of the circle, this becomes ...

  x² +y² = r² . . . . . . the standard equation of a circle centered at the origin

3 0
3 years ago
Can someone give me the workings out for this one please
Elza [17]
50mph, 60 minutes, half both 25 and 30
A-B should be 30 minutes
B-C should probably be 20-25 personally I'd go with 25
so 55?
5 0
4 years ago
Which expression would be easier to simplify if you used commutative property to change the grouping?
just olya [345]
A because it’s just pluss what makes it easier
4 0
3 years ago
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