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lawyer [7]
2 years ago
13

Lydia drove 216 miles and used 6 gallons of gasoline on a recent trip. Which of the following represents the unit rate of gasoli

ne used on this trip?
Mathematics
2 answers:
yulyashka [42]2 years ago
7 0

Step-by-step explanation:

is their an attachment for the problem?

Anarel [89]2 years ago
4 0

Answer:

36

Step-by-step explanation:

divide 216 by 6

216 ÷ 6 =

36

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Find the second term of the arithmetic series described by a1=0.25, an=4, and sn=8.5 answer: a2=
Elis [28]

Answer:

Step-by-step explanation:

an=4=a1+(n-1)*d=0.25+(n-1)*d

so (n-1)*d=4-0.25=3.75

Sn=a1*n+(n-1)*d

a1*n+3.75=8.5

0.25*n+3.75=8.5

-3.75                -3.75

0.25*n=8.5-3.75=4.75

n=4.75:0.25

n=19

so a19=a1+(19-1)*d=4

          0.25+18*d=4

           -0.25           -0.25

         18*d=3.75

           d=3.75/18

            d=0.208

so  a2=a1+0.208=0.25+0.208=0.458

a2=0.458

8 0
2 years ago
(Trignometry, need help please.) A dog is tethered to a 14 foot leash. She travels around an arc of 49 feet. What is the radian
saul85 [17]

Element of Circle

the central angle (α) =  (the length of the arc x 360°)/2πr (r = radius)

\alpha =\dfrac{49\times 360^o}{2\pi\times 14}=200.64^o

convert to rad:

\tt 1^o=\dfrac{\pi}{180^o}rad\\\\200^o=\dfrac{200^o\pi}{180^0}rad=\boxed{\bold{3.48~rad}}

6 0
2 years ago
I need this to be in less than 5 minutes
sergij07 [2.7K]

Answer: the awnser is 9, 40, 41 mark me brainlist

Step-by-step explanation:

Sum of the squares of the two side  = Square of longest side

a² + b² = c²

a)

So let's check 7, 24, 25

Is 7² + 24² = 25²  ?

7*7 + 24*24

49 + 576 

=625.

Let us perform the other side 25²

25² = 25 * 25 = 625

Therefore the left hand side = Right hand side.

Therefore 7, 24, 25 is a Pythagorean Triple

b)

Let's check 9, 40, 41

Is 9² + 40² = 41²  ?

9² + 40²

9*9+ 40*40 

81 + 1600

=1681

Let us perform the other side 41²

41² = 41 * 41 = 1681

Therefore the left hand side = Right hand side.

Therefore 9, 40, 41 is a Pythagorean Triple.

Read more on Brainly.com - brainly.com/question/1471164#readmore

4 0
3 years ago
PLEASE HELP. !!!!!!!!!!
Lesechka [4]
This is the answer i supposed fot

4 0
2 years ago
Read 2 more answers
A teacher is four time as old as a student .in 20 years, the student 's age will be half of the teacher 's age. How old are they
notka56 [123]
Let the present age of student be x
Present of teacher will be 4x

After 20 years,
Age of student = x + 20
Age of teacher = 4x + 20

According to the given condition after 20 years,
x + 20 = (4x + 20)/2
x + 20 = 2x + 10
2x - x = 20 - 10
x = 10

So student's present age is 10 years while teacher's is 4 x 10 i.e 40 years.

Hope This Helps You!
5 0
3 years ago
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