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notka56 [123]
3 years ago
8

Find the length of the third side. If necessary, round to the nearest tenth. 14 21

Mathematics
2 answers:
Feliz [49]3 years ago
8 0

15.7

Step-by-step explanation:

rate as BRAINLIEST

a {}^{2}  +  {b}^{2}  =  {c}^{2}

{a  }^{2}  +  {(14)}^{2}  =  {(21)}^{2}

{a}^{2}  + 196 = 441 \\  {a}^{2}  = 245 \\  \\ a = 15.65

Shkiper50 [21]3 years ago
4 0
The answer in decimal format is 15.7
Or 7 radical 5
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Are the triangles shown congruent? If so, how do you know?<br><br> Please help
lesya [120]

Answer:

6. yes they are congruent, they are exactly the same shape and size

7. no they are not congruent, they are different sizes

8. they are congruent, they have the same shape and size

Step-by-step explanation:

     

7 0
3 years ago
During the 1995 season, Oregon crabbers had a 15 million pound Dungeoness Crab harvest which sold for $24.7 million. That record
fiasKO [112]

Answer:

  36¢ per pound

Step-by-step explanation:

In 1995, the price per pound was ...

  ($24.7 million)/(15 million lb) = $1.6467/lb

In 2000, the price per pound was ...

  ($31,297,583)/(15,616,728 lb) = $2.0041/lb

The difference was ...

  $2.0041 -1.6467 = $0.3574 ≈ 36¢ . . . per pound

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In a calculation such as this, you want to keep enough significant digits so that you can appropriately round the final answer. Here, the result would be different if intermediate values were rounded to whole cents.

3 0
3 years ago
A group of 72 children completed a survey on what kind of sport they like. The choices were: Chess, Swimming, and Football. Ever
hichkok12 [17]

Answer:

\dfrac{17}{72}

Step-by-step explanation:

From the given information:

Total number of students, n(U)=72

The choices were: Chess(C), Swimming(S), and Football(F).

Everyone liked at least one sport except 7 kids, n( C \cup F \cup S)'=7

Chess is not an active sport; and

10 children liked Chess only, n( C \cap F' \cap S')=10

The probability that a randomly-chosen child from this group does not like active kinds of sport is the Probability that a student plays chess only or like no kind of sport at all.

P( C \cup F \cup S)'+P(C \cap F' \cap S')=\dfrac{n( C \cup F \cup S)'+n(C \cap F' \cap S')}{n(U)} \\=\dfrac{10+7}{72} \\=\dfrac{17}{72}

8 0
3 years ago
What is the value of x?
Jobisdone [24]

Answer:

5 sqrt(3) =x

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

tan theta = opp / adj

tan 30 = x/15

15 tan 30 = x

15 ( sqrt(3)/3) = x

5 sqrt(3) =x

3 0
3 years ago
How many faces,edges,and vertices does this have
alukav5142 [94]
Faces- 5
Edges- 9
Verticies- 6
7 0
3 years ago
Read 2 more answers
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