1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Zepler [3.9K]
3 years ago
15

I need help. What are the two numbers on the middle

Mathematics
1 answer:
Rina8888 [55]3 years ago
4 0

Answer:

  Miles: 35; Gallons: 1

Step-by-step explanation:

The number of gallons can be any number of your choosing that is less than 12, which is the capacity of the tank. For the purpose here, 1 is a convenient number. To find the corresponding number of miles (m), you need to solve the proportion ...

  420/12 = m/1

  35 = m

  (miles, gallons) = (35, 1) . . . a suitable choice for the table values

__

<em>Additional comment</em>

If your sense of symmetry is offended by choosing 1 for Gallons, you can choose 10, a number halfway between 12 and 8. In that case, your proportion is ...

  420/12 = m/10   ⇒   m = 350

Then, your entry would be ...

 (miles, gallons) = (350, 10)

You might be interested in
Given that 3^x = 4^y = 12^z, show that z = (xy)/(x+y).
irinina [24]
3^{x} = 4^{y} = 12^{z}
3^{x} = 4^{y} = (4 \cdot 3)^{z}
3^{x} = 4^{y} = 4^{z} \cdot 3^{z}

\text{Let a } = 3^{x} = 4^{y} = 4^{z} \cdot 3^{z}
log_3a = x
log_4a = y
log_{(4 \cdot 3)}a = z

Using change of base:
x = \frac{lna}{ln3}
y = \frac{lna}{ln4}
z = \frac{lna}{ln(4 \cdot 3)}

ln3 = \frac{lna}{x}
ln4 = \frac{lna}{y}
ln(4 \cdot 3) = \frac{lna}{z}

Now, ln(4 · 3) = ln(4) + ln(3)

\frac{lna}{z} = \frac{lna}{x} + \frac{lna}{y}
\frac{1}{z} = \frac{1}{x} + \frac{1}{y}
\frac{1}{z} = \frac{x + y}{xy}

\therefore z = \frac{xy}{x + y}
8 0
4 years ago
Two trains leave stations 560 miles apart at the same time and travel toward each other. One train travels at 90 miles per hour
lana [24]

Answer: the two trains will meet in 2.8 hours

Step-by-step explanation:

Step 1

Speed of train A  = 90mph

Speed of train B = 110 mph

Since both trains  are travelling towards each other , their effective speed will be= 90 mph + 110mph= 200mph

Step 2

we know that Speed = distance / time

therefore Time = Distance / speed

Distance = 560 miles

Speed = 200 mph

Time = 560miles / 200mph

2.8 hours

5 0
3 years ago
A fishing boat lies 200 m due south of a large tree on the shoreline and 300 m southwest of the dock. The shoreline runs East to
Lunna [17]
Tree...........................dock
.
.
.
.
.
boat

use Pythagorean Theorem to satisfy...a^2 + b^2 = c^2

200^2 + b^2 = 300^2
b^2 = 300^2 - 200^2
b^2 = 50000  (get square root of each)
b = 223.606  (rounded to the nearest tenth.... = 223.6



4 0
3 years ago
Read 2 more answers
I have a perimeter of 30 ft in an area of 14 square feet what is the length and the width
Mazyrski [523]

Answer:

14 and 1 are the length and width

Step-by-step explanation:

3 0
3 years ago
Anna and Michael are workers in a factory making widgets. Anna can make 8 widgets per day in the factory. Michael is able to pro
omeli [17]

Answer:

4 widgets

Step-by-step explanation:

8÷2=4

Mark me brainliest

3 0
3 years ago
Read 2 more answers
Other questions:
  • Last week, a skate shop originally sold a skateboard for $120. Today, there is a sale and the same skateboard costs $96. What is
    8·1 answer
  • What is the sum of the geometric series 1500 + 150 + 15 + 1.5 + 0.15 + 0.015, ... ? in a fraction
    14·1 answer
  • "calculate the number of permutations possible when using the first five letters of the alphabet to create 3-letter words.
    7·1 answer
  • How far away is the moon
    5·1 answer
  • A train arrives at the station with 150 passenger's on board . 2/5 of the passengers get off the train in seattle, and then 35 p
    14·1 answer
  • If 5/8 x a =1 what does a equal
    8·1 answer
  • a store is inplementing a 5% increase on all of their prices. write both the decimal and the fraction equivalent to the increase
    6·1 answer
  • Simplify the answer to to the simplest form
    6·2 answers
  • 15 points , help!
    15·1 answer
  • Please answer soon (45 Points)
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!