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Feliz [49]
1 year ago
14

Based on the number of sides in a pentagon, how many events do you think make up an athletic event called pentathlon

Mathematics
1 answer:
schepotkina [342]1 year ago
5 0

Answer:

five

Step-by-step explanation:

pentagon has 5 sides

because penta is associated with number 5

so pentathlon should be made up by 5 events

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The perimeter of a rectangular field is 278 m. If the width of the field is 61 m, what is its length?
nataly862011 [7]

Answer:

length is 78

Step-by-step explanation:

Perimeter of rectangle is P = 2 (l +w)

278 = 2(l + 61)

l = 78

3 0
3 years ago
The sum of the reciprocals of two consecutive odd integers is 24/143. find the two integers.
nordsb [41]
Let one integer be x, the consecutive odd integer is x+2
reciprocals are 1/x and 1/(x+2)
1/x +1/(x+2)=24/143
make the denominators the same:
(x+2)/[x(x+2)] +x/[x(x+2)]=24/143
143(2x+2)=24(x)(x+2)
286x+286=24x²+48x
24x²-238x-286=0
use the quadratic formula: x=22 this doesn't work because 22 is not an odd number.
or x=-2.1666666666 (this is not an integer)

weird.
4 0
3 years ago
Answer the question on the picture!
MariettaO [177]

Answer:

64 square inches

Step-by-step explanation:

im not 100% sure but i think its right

8 0
2 years ago
Find the area of this triangle, round to the nearest tenth, I will give brainliest
Setler79 [48]

Answer:

59.15 in^2

Step-by-step explanation:

Using Heron's formula

semiperimeter , s = 1/2 ( 28.8+18+12) = 29.4

Area = sqrt ( 29.4(29.4-28.8)(29.4-18)(29.4-12) ) = 59.15 in^2

4 0
1 year ago
Read 2 more answers
How do i solve this??
avanturin [10]

i do not know the answer

8 0
2 years ago
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