How many miles can you drive on one gallon of gasoline

Mathematics

1 answer:

ANEK [815]3 years ago

5 0

It all depends on the car . what are the answers ?

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Jillian is trying to save water, so she reduces the size of her square grass lawn by 8 feet on each side. the area of the smalle

tatiyna

(x - 8)^2 = 144
take the sq rt of both sides
x - 8 = 12
x = 12 + 8
x = 20

20 feet by 20 feet

7 0

3 years ago

Read 2 more answers

Two crews working toward each other are 6.75 miles apart one crew paves 1.3 miles of highway per day and the other paves 1.4 mil

andre [41]

One crew is doing 1.3 miles daily, the other is doing 1.4 miles daily, so both together are doing 1.3 + 1.4 miles daily, namely 2.7 miles.

now, they are 6.75 miles apart, how many days will it be at a rate of 2.7 miles per day, that 6.75 miles will be done? $\bf \cfrac{6.75}{2.7}$ days

8 0

3 years ago

What adds ups to 5 but multiplies to give you 12

qaws [65]

X + y = 5
  xy = 12

x + y = 5
y = -x + 5

  xy = 12
  x(-x + 5) = 12
  x(-x) + x(5) = 12
-x² + 5x = 12
- 12 - 12
-x² + 5x - 12 = 0
x² - 5x + 12 = 0
x = 5 ± √25 - 48
2
x = -5 ± √-23
2
x = -5 ± 4.79i
2
x = -5 + 4.79i or x = -5 - 4.79i
2 2
x = -2.5 + 2.395i or x = -2.5 - 2.395i
y = -2.5 - 2.395i or y = -2.5 + 2.395i

The two numbers that add up to 5 and multiply to 12 is -2.5 ± 2.395i, which is -2.5 + 2.395i and -2.5 - 2.395i.

6 0

3 years ago

If a concrete mix contains 1-1/2 cubic feet of gravel, 1/2 cubic foot of water,

Karolina [17]

Answer:

The correct answer is "50%".

Step-by-step explanation:

The given values are:

Gravel,

= $(1-\frac{1}{2} )$