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umka2103 [35]
3 years ago
14

Expand 5x(5y + 7) ......

Mathematics
2 answers:
MrMuchimi3 years ago
8 0

Answer:

the answer to this equation 5x*5y + 5x*7

lina2011 [118]3 years ago
3 0

Answer:

25xy + 35x

Step-by-step explanation:

Expand by distributing term.

5x \times 5y + 5x \times 7

Simplify 5x × 5y to 25xy.

25xy + 5x  \times 7

Simplify 5x × 7 to 35x.

25xy + 35x

Hence, the answer is 25xy + 35x.

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hile sitting in physics class one day, you begin to ponder the workings of the analog clock on the classroom wall. You notice as
PSYCHO15rus [73]

Answer:

Second hand will turn through 74π radians.

Step-by-step explanation:

There are 37 minutes left in the class. We need to find by how much angle will the second hand turn before the end of the class.

When a second hand completes one full rotation along the clock it covers 360 degrees and completes 60 seconds.

This means:

In 60 seconds, the second hand turns by 360 degrees

Since, 60 seconds = 1 minute, we can write:

In 1 minute, the second hand turns = 360 degrees

360 degrees is equal to 2π radians. So,

In 1 minute, the second hand turns = 2π radians

Multiplying both sides by 37 gives us:

In 37 minutes, the second turns = 2π radians x 37 = 74π radians

8 0
3 years ago
Calculate the size of each interior angle of a regular polygon with 14 sides
Ierofanga [76]

Answer:

154.285

Step-by-step explanation:

The sum of the interior angles of a 14-gon = (14-2)*180 = 2,160 degrees. There are 14 vertexes (vertices) for a 14-gon. It is 'regular' so all these angles are equal. By dividing 2160 (sum of all angles) by 14 (total amount of angles) we can see how much each angle is worth. So the interior angle of each is 154.285 degrees.

4 0
3 years ago
Leena bought 14 yards of wire. How many inches of wire did she buy? (1 yard = 36 inches)
Anastasy [175]

Answer:

D

Step-by-step explanation:

1 yard=3 feet=36

14 yards x 36= 504

14 yards = 504 inches

mark as brainliest :)

7 0
3 years ago
Read 2 more answers
X+6 for X=7<br><br> P/5 for p=30<br><br> 2x+y for x=5, y=4<br><br> Please Evaluate these.
AnnyKZ [126]

Answer:

13

6

14

Step-by-step explanation:

x+6=7+6=13

p/5=30/5=6

2x+y=2(5)+4=10+4=14

5 0
3 years ago
What's the value of x?
andrew11 [14]
X=3 or 3.5, I know that it isn't a direct answer but you asked this question yesterday and have gotten nothing so I will help narrow it down for you.
7 0
3 years ago
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