2 years ago

If the average of nine consecutive integers is zero, what is the largest integer?

Mathematics

1 answer:

Orlov [11]2 years ago

4 0

Answer:

Step-by-step explanation:

The average of the consecutive integers is 0, so the middle number must be 0, with 4 numbers less than 0 and 4 numbers greater than 0.

-4, -3, -2, -1, 0, 1, 2, 3, 4

So the largest integer is 4.

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When Ryan counted some dimes and quarters he had 196 coins and a total of $39.40. How many coins of each kind does Ryan have?

Nonamiya [84]

Quarters = x
dimes = 196 - x

10(196 - x) + 25x = 3940
1960 - 10x +25x = 3940
1960 + 15x = 3940
15x = 1980
x = 132

169 - 132 = 64

Therefor there are 132 quarters and 64 dimes

6 0

3 years ago

Ellen drove 357.9 miles. Her car gets about 21 miles per gallon. Which is the best estimate of how many gallons of gas Ellen use

olga55 [171]

The best thing to do is to divide the amount she has driven (357.9) by the miles (21)
As you're looking for an estimate, you have to round them.
357.9 rounds to 360
21 rounds to 20
Therefore, you've got to divide them
360/20= 18
Therefore, Ellen has driven approximately 18 miles
Hope this helps :)

7 0

2 years ago

Read 2 more answers

a new computer costs $450. What is the final price of the computer if it is in sale for 30% off and you must pay the 7% sales ta

zzz [600]

Answer:

$337.05

Step-by-step explanation:

450 x (1- 0.3)= $315

$315 x (1+0.07)= $337.05

4 0

3 years ago

The quotient of 24 and a number is 6.

Flauer [41]

The answer will be: 4

24 / 6 = 4

6 0

3 years ago

Read 2 more answers

Please help thank you

daser333 [38]

Answer:

Step-by-step explanation:

Add 34 to both sides.

14x = 11x + 63

Subtract 11x from both sides

3x = 63

Divide both sides by 3

Hope I helped :)

Please consider Brainliest :)

6 0

3 years ago