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Amiraneli [1.4K]
2 years ago
12

Describe two ways to simplify the expression 4x(3 + 2)

Mathematics
2 answers:
umka2103 [35]2 years ago
6 0

Answer:

20x

Step-by-step explanation:

Way 1: Simplify parentheses first:

4x (5)=20x

Way 2: Open parentheses:

4x (3+2) = 4x*3 + 4x*2= 12x+ 8x= 20x

topjm [15]2 years ago
4 0

Answer:

4x(3+2) = 12x + 8x = 20x

4x(3+2) = 4x(5) = 20x

Hope this helps!

Mark as brainliest plz

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Which set of side lengths can be used to construct a triangle?
valentina_108 [34]

9514 1404 393

Answer:

  D  75 inches, 55 inches, 45 inches

Step-by-step explanation:

The sum of the two shortest sides must exceed the length of the longest side. This is only the case for choice D.

  A. 45+55 < 110

  B. 45+45 = 90 . . . . needs to be greater, not equal

  C. 35+45 < 100

  D. 45+55 > 75 . . . . will form an obtuse triangle

4 0
3 years ago
BRAINLIEST
Dima020 [189]

Answer:

1. 2.9

2. 51 inches

3. (if you can send a picture of the question, I can tell you an answer.

Step-by-step explanation:

for number 1:

You have to add the scores on the left and divide it by the total. What I did was multiply each number on the right with it's pair and added it up. I got 111. Afterwards,  I totalled the number of students (I got 38) and divided the scores by the number of students to get 2.9.

for number 2:

You do the same thing as number one but instead of multiplying pairs, you add the heights. I got 255 and then divided it by 5 total heights. I got 51 inches.

for number 3: I didn't get the graph to tell you the answer but I can tell you what everything means.

Symmetric means that both sides of the graph are equal and if you fold the graph in half horizontally, you should get the same shape.

Gaps are where you see blanks in the graph where the data gets cut off and then has stats again.

Cluster is when a huge amount of data is gathered in one area.

Peak is where the data (x-axis) reaches it's highest point (highest y-axis point).

Good luck and please give me Brainliest if you liked my answer!

6 0
3 years ago
What is the perimeter of a triangle with the side lengths 4 cm, 6 cm, and (3y-2) cm?
jek_recluse [69]

Answer:

Step-by-step explanation:

P = 4 + 6 + (3y - 2)      Remove the brackets

P = 10 + 3y - 2            Combine

P = 8 + 3y

Note 3y must be less than 8. That's because 2 sides of any triangle must be larger than the 3rd side or else you don't have a triangle.

7 0
3 years ago
Find all polar coordinates of point P = (9, 75°).
zubka84 [21]

Answer:

1) (9, 75+360n)

2) (−9, 255+360n)

Step-by-step explanation:

(9, 75) is same as (9, 75 + 360)

so it would be (9, 435)

It can also be expressed as (-9, 75 + 180 degrees)

so (-9,255) degrees

In general, (9,75+360 n) for n≥0 represents half of the possible ways of representing the point : (9,75)  

6 0
3 years ago
Describe the figure that is created with the points ( -2, -3) ( - 2, 5, (1, -3), and (1, 5)
lyudmila [28]

Answer:

Hi! The answer to your question is Rectangle

Step-by-step explanation:

↗✧*☆*: .。..。.:*☆♪↗✧*☆*: .。..。.:*☆♪

☆Brainliest is greatly appreciated!☆

Hope this helps!!

Stay Safe!!!

- Brooklynn Deka

7 0
3 years ago
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