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tangare [24]
2 years ago
12

What are the factors of 21

Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
3 0

Answer:

21: 3and 7 factors

54: 6and 9 factors

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Help plead i dont get this
professor190 [17]
Find the percent of the circle

r=radius of circle
then r=1/2 of the diagonal of the square
use some pythagoran theorme

45,45,90 triangle
(r√2)/2=1/2 of a side
r√2 is one side
square it
2r²=square

area of circle is pir²
percent it is is

square/circle=
(2r²)/(pir²)=
2/pi= about
0.636
about 64% that it is in the square

8 0
3 years ago
Write -4x^2-16x-14 in vertex form.
frutty [35]

Answer:

(-2,2)

Step-by-step explanation:

hope this helps :)

5 0
3 years ago
The length of the hypotenuse of a right triangle is 145 units. The length of one leg of the triangle is 144. Mike wrote the foll
NNADVOKAT [17]
Hi Vance :)

a=leg unknow
b=leg
c=hypotenuse

a²+b²=c²
a²=c²-b²
a²=145² - 144²
a²=21,025 - 20,736
a²=289
a=√289
a=17

unknow leg = 17 units

6 0
2 years ago
Read 2 more answers
Francesca ran five times as many miles as sophia last year. They ran a total of 3,455 miles. How many miles did each girl run la
uysha [10]

Answer:

  • Francesca: 2879 1/6 miles
  • Sophia: 575 5/6 miles

Step-by-step explanation:

For each mile that Sophia ran, Francesca ran 5 miles. Then Sophia ran 1/6 of their total. Sophia ran ...

  (1/6)(3455) = 575 5/6 miles

Francesca ran the remaining miles:

  3455 -575 5/6 = 2879 1/6 miles

7 0
3 years ago
HELPPPPP I NEED HELP ON THIS
rjkz [21]

Answer:

$51

Step-by-step explanation:

3 0
2 years ago
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