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Kay [80]
3 years ago
11

After driving 378 miles, they have used 14 gallons of gas. They have 243 miles left to drive on the trip. How much gas will they

need to finish the trip?
Mathematics
1 answer:
dsp733 years ago
6 0

Answer:

9 gallon of gas

Step-by-step explanation:

When distance covered is 378 miles, they have used 14 gallons of gas

We need to find how much gas will they need to finish the trip if 243 miles left to drive on the trip.

378 miles = 14 gallons of gas

For 1 mile,

1 gallon of gas is used for \dfrac{14}{378}\ \text{gallon of gas is used}

For 243 miles,

= \dfrac{14}{378}\times 243\ \text{miles}\\\\=9\ \text{gallon of gas is used}

Hence, for 243 miles 9 gallon of gas is used.

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Question 3 of 10<br> Which of the following expressions is equivalent to the expression (n + 4)3?
NARA [144]

Answer:

3n+12

Step-by-step explanation:

(n+4)3=

3n+12

Just multiply the number and variable inside the parentheses by 3

5 0
4 years ago
What is the value of 8(15-4)/4^2-5
kolbaska11 [484]

Answer: 0.5


Step-by-step explanation:

Android calculator accepts the above question via copy and paste, and gives 0.5


The point of this question is to try to discover whether or not you know what the expression means.


Rewriting it as (8(15-4)/(4×4)) - 5 would show that you know the meaning. You can check that by feeding it into the calculator as well.

4 0
3 years ago
1. the sum of two rational numbers is always always a (irrational number / rational number)
Blizzard [7]

One

The sum of two rational numbers is always rational. sqrt(9) + sqrt(25) = 3 + 5 which is rational. sqrt(16/100) = 4/10 = 2/5 is also rational. 3/28 is rational as well.

Two

Those are irrational. sqrt(10) + pi = ???? You cannot reduce this to any kind of fraction. Two irrationals always give a rational.

Three

The irrational number controls the answer. 10 + sqrt(5) is irrational. The 10 is OK. It is raional, but sqrt(5) is not a rational number.

8 0
3 years ago
HELP!!!!!!!!!!!!!!!!!!!!!!!!
Artyom0805 [142]

The recursive formula for f(n) is f(n) = 4.25 + f(n - 1), f(0) = 2.25.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

Let f(n) represent the total cost of shoe rentals for n games, hence:

The recursive formula for f(n) is f(n) = 4.25 + f(n - 1), f(0) = 2.25.

Find out more on equation at: brainly.com/question/2972832

#SPJ1

8 0
2 years ago
What is the slope of this line?
icang [17]
Y = 2
slope = 0

hope it helps
7 0
3 years ago
Read 2 more answers
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