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Ahat [919]
2 years ago
9

6. Devin Kinney and his friend Darrion

Mathematics
1 answer:
shutvik [7]2 years ago
8 0
Why did georage washantion write that he was walking on untrodden ground
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Lisa is cooking muffins. The recipe calls for 7 cups of sugar.  She has already put in 2 cups.  How many more cups does she need
Tresset [83]

the answer is 5. 7-2 is 5.

4 0
3 years ago
Rhett is solving the quadratic equation zero equals X2 minus 2X -3 using the quadratic formula which shows the correct substitut
Alina [70]
X^2-2x -3 =0
a =1 b =-2 and c = -3 

x = - (-2) +/- sqrt (-2)^2 - 4(1)(-3)
      --------------------------------------
                   2(1)

 x = + 2 +/- sqrt [(4) - 4(-3)]
       -------------------------------
                    2

 x = +2 +/- sqrt [4 + 12]
       --------------------------
                   2
x = +2 +/- sqrt[16]
      -------------------
              2

x = +2 +/- (4)
      -------------
             2

x = 2 + 4    or 2 -4 
      -------        ------
         2               2

x = 6/2      or   -2/2

x = 3   or x = -1   
       
8 0
2 years ago
Last month, customers at a gift shop bought 40 birthday cards,
Iteru [2.4K]

Answer:

32 People

Step-by-step explanation:

I put 40 (Number of birthday cards bought previously) over 125 (Number of expected costumers) and multiplied it by 100 (Total number of card bought previously) to get my answer. Hopefully that helps :)

7 0
2 years ago
Can you write a real world problem that uses Pythagorean theorem ?
elena-14-01-66 [18.8K]

1) Road Trip: Let’s say two friends are meeting at a playground. Mary is already at the park but her friend Bob needs to get there taking the shortest path possible. Bob has two way he can go - he can follow the roads getting to the park - first heading south 3 miles, then heading west four miles. The total distance covered following the roads will be 7 miles. The other way he can get there is by cutting through some open fields and walk directly to the park. If we apply Pythagoras's theorem to calculate the distance you will get:

(3)<span>2 </span>+ (4)2 =

9 + 16 = C2

√25 = C

5 Miles. = C

Walking through the field will be 2 miles shorter than walking along the roads. .

2) Painting on a Wall: Painters use ladders to paint on high buildings and often use the help of Pythagoras' theorem to complete their work. The painter needs to determine how tall a ladder needs to be in order to safely place the base away from the wall so it won't tip over. In this case the ladder itself will be the hypotenuse. Take for example a painter who has to paint a wall which is about 3 m high. The painter has to put the base of the ladder 2 m away from the wall to ensure it won't tip. What will be the length of the ladder required by the painter to complete his work? You can calculate it using Pythagoras' theorem:

(5)<span>2 </span>+ (2)2 =

25 + 4 = C2

√100 = C

5.3 m. = C

Thus, the painter will need a ladder about 5 meters high.

3) Buying a Suitcase: Mr. Harry wants to purchase a suitcase. The shopkeeper tells Mr. Harry that he has a 30 inch of suitcase available at present and the height of the suitcase is 18 inches. Calculate the actual length of the suitcase for Mr. Harry using Pythagoras' theorem. It is calculated this way:

(18)<span>2 </span>+ (b)2 = (30)2

324 + b2 = 900

B2 = 900 – 324

b= √576

= 24 inches

6 0
3 years ago
Somebody help please​
inessss [21]

Answer: look at the picture i attached!

3 0
2 years ago
Read 2 more answers
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