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Mandarinka [93]
3 years ago
9

Is 3(6x + 1) and 21x equivalent? explain why

Mathematics
1 answer:
svp [43]3 years ago
6 0

Answer: they are not equivalent be 3(6x+1) is 18x+3 and 21x stays the same so there for they are not equivalent to each other

Step-by-step explanation:

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Given are the slopes of several lines. Indicate whether each line is horizontal, vertical, rises from left to right, or falls fr
ikadub [295]

Answer:

  1. Rises from left to right
  2. Vertical Line
  3. Horizontal Line
  4. Falls from left to right

Step-by-step explanation:

Keep in mind we read graphs from left to right just like how we read and write.

  • A positive slope will be increase from left to right.
  • A negative slope with decrease left to right.
  • A vertical line will have a undefined slope.
  • A horizontal line will have a slope of 0.

We can use those tips to solve the problem.

Option A:

4/5 is a positive slope so it will rise from left to right.

Option B:

No slope automatically means "undefined" so that falls in the definition of a vertical line.

Option C:

A slope of 0 is defined as a horizontal line.

Option D:

-4/5 is a negative slope so it will fall from left to right.

Best of Luck!

5 0
3 years ago
Charlie know that 3 blocks are needed to make a tower that is 0.5 foot high. How many blocks will he need to make a tower that i
vitfil [10]

Answer:

6 feet

Step-by-step explanation:

that is the answer

6 0
3 years ago
Which is a sum of cubes?<br><br> a3 + 18<br> a6 + 9<br> a9 + 16<br> a12 + 8
liraira [26]

Answer:

a^12+8

Step-by-step explanation:

let's check all the expressions

1. a^3+18

here 18 is not a perfect cube.

2. a^6+9

here 9 is not a perfect cube.

3. a^9+16

here 16 is not a perfect cube.

4. a^16+8

here 8 is a perfect cube, thus we can write above expression by using laws of exponents as

(a^4)^3+2^3

Thus,  is a sum of cubes.

a^12+8

8 0
3 years ago
Bryan needs 15 quarts of paint.he wants to buy both quarts and gallons . A quart cost $4.99 and a gallon 14.99?
Colt1911 [192]

BRYAN would need to buy 3 gallons and 8 quarts witch would cost
$14.99 times 3 and $4.99 times 8
$44,97+$39.92=$84.98 would be spent for all off the paint he needs


8 0
4 years ago
At a zoo in a butterfly enclosure, 5 drops of nectar is sufficient for 2 butterflies. How many butterflies could be fed with 59
Elan Coil [88]

Answer:

111 can i get brailyist for replying so fast.

8 0
3 years ago
Read 2 more answers
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