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
Sloan [31]
3 years ago
9

A car travels at an average speed of 45 miles per hour for 8 miles, reduces its speed by 15 miles per hour for the next 4 miles,

and then returns to a speed of 45 miles per hour. How long does the car travel at the reduced speed?
Mathematics
1 answer:
kifflom [539]3 years ago
8 0

Answer:

8 minutes

Step-by-step explanation:

time = distance/speed

A decrease of 15 mph from 45 mph means the speed on the second segment is 30 mph. Filling in the given values in the above equation, we have ...

... time = (4 mi)/(30 mi/h) = 4/30 h = 8/60 h × (60 min/h) = 8 min

You might be interested in
Page
horrorfan [7]

Answer:

Step-by-step explanation:

(-5,4)=since x coordinate is negative and y coordinate is positive it lies on 2 nd quadrant.

(4,-2)=x coordinate is positive and y coordinate is negative so it lies on 4 th quadrant

(7,2)=both x coordinate and y coordinate are positive so they lie in 1 st quadrant.

(-3,-7) =both x and y coordinate are negative so they lie on 3 nd quadrant

3 0
3 years ago
Please answer correctly !!!! Will mark brainliest !!!!!!!!
Pavel [41]

Answer: (x + 3)(x + 3)

6 0
3 years ago
Read 2 more answers
Provide easing for the proof given: angle 1 is congruent to angle 3 and line pv
kirill115 [55]
What are the answer choices, i can't see whats on your paper
5 0
3 years ago
unos amigos compraron 1/2 de pizza hawaiana 2/4 de peperoni 1/2 de pollo y 3/4 de salchicha ¿cuanta pizza compraron en total?​
sveticcg [70]

Answer:

Los amigos compraron 2 pizzas más \frac{1}{4}

Step-by-step explanation:

Para conocer la cantidad de pizza que los amigos compraron en total, debes sumar la cantidad de cada clase que compraron:

\frac{1}{2} +\frac{2}{4} +\frac{1}{2} +\frac{3}{4}

Para sumar estos valores, debes encontrar un denominador común. Como 4 es múltiplo de 2, el 4 puede ser usado como denominador común. Este común denominador se divide entre el denominador de cada fracción. El resultado de la división se multiplica por el numerador de la misma fracción. Una vez que se divide y se multiplica, el resultado se coloca en el numerador. Realizando el mismo procedimiento con cada fracción y se realiza la suma con los numeradores que resultaron:

\frac{1}{2} +\frac{2}{4} +\frac{1}{2} +\frac{3}{4}=\frac{2+2+2+3}{4} =\frac{9}{4}

Siendo \frac{9}{4} =2.25=2\frac{1}{4}, entonces <u><em>los amigos compraron 2 pizzas más </em></u>\frac{1}{4}<u><em></em></u>

5 0
3 years ago
Suppose a certain state university's college of business obtained the following results on the salaries of a recent graduating c
Lerok [7]

Answer:

Following are the responses to the given choice:

Step-by-step explanation:

For point a:

H_0: \mu_1 - \mu_2 = 0\\\\ H_1: \mu_1 - \mu_2 < 0

For point b:

t = -2.953

For point c:

\to  p- value = 0.0021

For point d:

Reject H_o. It could deduce that the pay of higher banking is considerably lower than the pay of higher project management.

7 0
3 years ago
Other questions:
  • suppose that you decide to spend no more than $30 for tickets. What are the possible combinations of small and large rides that
    11·2 answers
  • 15 points if u awnser this question thx
    8·1 answer
  • The box and whisker plot represents the scores made by two different classes on the same test. By comparing the length of the bo
    14·2 answers
  • A point P has coordinates (3,2) what are the new coordinates after reflecting point P over the y-axis
    8·2 answers
  • What’s the gcf of 12a^5 and 28^3
    8·1 answer
  • the ratio of apples to oranges in a fruit basket are 3 to 5. if there are 40 apples and oranges altogether, how many apples must
    7·1 answer
  • The formula for the surface area of a sphere is A=4pi r*2, where r is the length of the radius. Find the surface area of the sph
    14·1 answer
  • A guitar shop has 19 acoustic guitars on display. This is 19% of the total number of guitars. What is the total number of guitar
    5·1 answer
  • Monica bought 12 gallons of paint. She used 2/3 of the paint to paint her house. How many gallons of the paint did she use?
    15·2 answers
  • Show all the steps that you use to solve this problem.
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!