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Dvinal [7]
3 years ago
5

NEED HELP!!!

Mathematics
1 answer:
anygoal [31]3 years ago
3 0
An equilateral triangle is a triangle which has sides of equal length. Therefore the perimeter would be the sum of these sides and will reduce to three times the side length. We calculate x as follows:

P = 63 = 3(x-10)
21 = x-10
x = 31 units
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Two square rooms have a total floor of 89m^2.one room is 3m longer each way than the other,find the dimensions of the rooms
Katen [24]
Thank you for posting your question here at brainly. Below is the solution. I hope the answer will help you.

<span> x ( x+4) = 45 </span>

<span>5m X 5m AND 8m X 8m 
</span>
5) x ( x+6) = 135 

<span>x^2 +6x -135 = 0 </span>

<span>( x-9) ( x+15) = 0 </span>

<span>x = 9 </span>

<span>ANSWER 9 & 15</span>

8 0
3 years ago
Read 2 more answers
How many quarts of water must be added to 2 gal of soup that is 50% chicken broth to make the soup 40% chicken broth?
timofeeve [1]

Step-by-step explanation: Well we would know that the original soup is one gallon water and one gallon broth because that is 2 gallons 50% to 50%.

Then to decrease the amount of broth by 10%, we would accomplish this by first turning the original gallons into quarts so we would have 4 quarts broth and 4 quarts water. We need to get a total of ten quarts SO........ we know that we need to add 2 MORE quarts of WATER.

Finally when we add all the quarts together we get 10 total with 6 water and 4 broth which totals to 60% water and 40% broth.

                           FINAL ANSWER: 2 QUARTS WATER

7 0
3 years ago
Write the number one and three quarter million in figures.
SVETLANKA909090 [29]

Answer: 1750000

Step-by-step explanation:

3 0
3 years ago
-3+ 4d - 2f + 3d + 6f - 4 - 8
Igoryamba

Answer:

<h2><em><u>7d + 4f - 15</u></em></h2>

Explanation:

-3 + 4d - 2f + 3d + 6f - 4 - 8

= −3 + 4d + −2f + 3d + 6f + −4 + −8

  • Combine Like Terms

= −3 + 4d + −2f + 3d + 6f + −4 + −8

(4d + 3d) + (−2f + 6f) + (−3 + −4 + −8)

7d + 4f + −15

= 7d + 4f - 15

5 0
3 years ago
20% of the students in 6th grade voted in favor of school uniformsbthere are 200 students in 6th grade how many voted in favor o
sergejj [24]
You have to do 200 divided by 20 your answer is ten
4 0
4 years ago
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