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3 years ago

Correct answer will get brainliest!

Mathematics

1 answer:

zubka84 [21]3 years ago

8 0

C.

The graph shows that it’s going 8 miles per hour, due to the number that the line is on.

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Sue's car used 12 gallons of gas on a 300 mile trip. Jen's car used 5 gallons of gas on a 140 mile trip. Whose car got more mile

vekshin1

Jen's car because if you divide 140 by 5 you get 28 and that's 28 miles per gallon. When you divide 300 by 12 you get 25 and that's 25 miles per gallon.

8 0

3 years ago

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In 1 hour Ingrid picked 600 apples Emily picked 4/5 as many apples. How many apples did Emily pick ? PLEASE HELP ME I HAVE FINAL

Vanyuwa [196]

I=600
E=(4/5)*I
E=(4/5)*600
E=480

Emily picked 480 apples.

8 0

4 years ago

A.Find a formula for

Vlada [557]

a. Notice that

1/(1*2) = 1/2 = 1 - 1/2

1/(2*3) = 1/6 = 1/2 - 1/3

1/(3*4) = 1/12 = 1/3 - 1/4

and so on, which suggests the n-th term of the sum can be written as

$\dfrac1{n(n+1)}=\dfrac1n-\dfrac1{n+1}$

Then the sum itself is telescoping:

$\dfrac1{1\cdot2}+\dfrac1{2\cdot3}+\dfrac1{3\cdot4}+\cdots+\dfrac1{n(n+1)}$

$=\left(1-\dfrac12\right)+\left(\dfrac12-\dfrac13\right)+\left(\dfrac13-\dfrac14\right)+\cdots+\left(\dfrac1n-\dfrac1{n+1}\right)$

$=1-\dfrac1{n+1}$

b. The proof is trivial:

$\dfrac1n-\dfrac1{n+1}=\dfrac{n+1}{n(n+1)}-\dfrac n{n(n+1)}=\dfrac{n+1-n}{n(n+1)}=\dfrac n{n+1}$

so the formula found in (a) is correct.

5 0

3 years ago

Which is a composite number? 81,41,71,61

KATRIN_1 [288]

Answer:

hope this helps:)

5 0

3 years ago

Plz answer everything i will do A B C D E F G and some other ones

olga55 [171]

A= 4091

B=9303

C=4436

D=4460

E=4436

F=1455

G=1898

H=15275

I=181632

J=705.453045922

K=6.04166666667

3 0

3 years ago

Read 2 more answers