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
Ber [7]
3 years ago
5

Carlos and Maria drove a total of 197 miles In 3.8 hours. Carlos drove the first part of the trip and averaged 55 miles per hour

. Maria drove the
remainder of the trip and averaged 47 miles per hour. For approximately how many hours did Maria drive? Round your answer to the nearest tenth if
necessary.
Mathematics
1 answer:
Dima020 [189]3 years ago
4 0

Answer:

1.5 hours

Step-by-step explanation:

Carlos = x

Maria = y

55x + 47y = 197

x + y = 3.8

x = 3.8 - y

55(3.8 - y) + 47y = 197

209 - 55y + 47y = 197

-8y = -12

y = 3/2 = 1.5

You might be interested in
The shape of a satellite dish can be described as parabolic. Satellite dishes are this shape because radio waves are reflected f
lisov135 [29]
The focus of this parabola is at
(0, \frac{1}{4(\frac{1}{8})})=(0, 2)
6 0
3 years ago
Read 2 more answers
The base of a circular fountain has a radius of 3.5 feet. What is the approximate circumference of the base of the fountain?
vagabundo [1.1K]

Answer:

circumference = 21.98 feet

Step-by-step explanation:

circumference = 2 x R x π = 2(3.5)(3.14) = 21.98 feet

5 0
3 years ago
HELP I NEED HELP WITH THIS QUICKLY
Sergeeva-Olga [200]

Answer:

x=-19

Step-by-step explanation:

6 0
3 years ago
What is the slope of the line through (-2,-6) and (2, 2)?
Fofino [41]
The answer is B just did that question
6 0
3 years ago
A bar of metal is cooling from 1000°C to room temperature, 24°C. The temperature, H, of the bar t minutes after it starts coolin
motikmotik

Answer:

ggfddv3=4

Step-by-step explanation:

7 0
3 years ago
Other questions:
  • Kyle a used 10 cups of raisins to make 5 batches of oatmeal raisin cookies. How many cups of raisins are in 1 batch of cookies?P
    9·2 answers
  • What is the second term of the sequence generated by the formula an = 3n?
    7·2 answers
  • How many line of symmetry has a kite​
    11·2 answers
  • Plz help me do number 1 and 2 its 5th grade THANKS!!​
    12·1 answer
  • Is NH4CL an acid or base​
    15·2 answers
  • An auditorium with 52 rows is laid out where 6 seats comprise the first row, 9 seats comprise the second row, 12 seats comprise
    8·2 answers
  • Round 6824.8759 to the nearest tenths place
    5·1 answer
  • A circular swimming pool is 40 inches in diameter. What is the circumference of the swimming pool?
    5·2 answers
  • Question 6 of 10
    5·1 answer
  • An internet cafe charges $3.75 to use a computer and $.45 per minute while accesing the internet. What function rule describes t
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!