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
kolezko [41]
3 years ago
14

Juan and Nina are in the Junior High Orchestra. As part of the orchestra they each have to learn two instruments. Juan is learni

ng to play the violin and the cello. For every 3 hours that Juan spends practicing the violin he practices the cello for 2.5 hours. Nina is learning to play the viola and cello. For every 3 hours Nina spends practicing the viola she practices the cello for 2 hours.
If Juan practiced the violin for 9 hours last week and Juan and Nina practiced the cello for the same amount of time, then Nina practiced the viola for
hours last week.
Mathematics
1 answer:
sashaice [31]3 years ago
8 0

Answer:

Nina practiced the viola for 11.25 hours.

Step-by-step explanation:

You might be interested in
What is the length of AD<br> A. 1<br> B. 2<br> C. 3<br> D. 4
m_a_m_a [10]

Answer:

B

Step-by-step explanation:

it's basically divided

5 0
3 years ago
Six students are working on math. Two-thirds of them are working on fractions. How many students are working on fractions?
dybincka [34]
(2/3)- students working on math
6-total students
(2/3) of 6 students+= (2/3)x6 = (12/3) = 4
3 0
3 years ago
The sum of two consecutive even numbers is 18.find the numbers​
vovikov84 [41]

Answer:

Numbers are 8  and  10

Step-by-step explanation:

    10 + 8 = 18

8 0
2 years ago
The perimeter of a semicircle is 5.14 feet. What is the semicircle’s area?
hammer [34]
\bf \textit{circumference of a semi-circle}\\\\&#10;C=\pi r\qquad &#10;\begin{cases}&#10;r=radius\\&#10;-----\\&#10;C=5.14&#10;\end{cases}\implies 5.14=\pi r\implies \boxed{\cfrac{5.14}{\pi }=r}\\\\&#10;-------------------------------\\\\&#10;\textit{area of a semi-circle}\\\\&#10;A=\cfrac{\pi r^2}{2} \implies A=\cfrac{\pi }{2}r^2\implies A=\cfrac{\pi }{2}\left( \boxed{\cfrac{5.14}{\pi }} \right)^2&#10;\\\\\\&#10;A=\cfrac{\pi }{2}\implies \cfrac{5.14^2}{\pi ^2}\implies A=\cfrac{26.4196}{2\pi }\implies A=\cfrac{13.2098}{\pi }
5 0
3 years ago
One day, a sprinter runs the 100 m dash 24 times, for a total distance of 24 00 m. how many kilometers did the sprinter run?
tigry1 [53]

The total distance that was covered by the sprinter in Kilometers is:

  • 2.4 Km

<h3>How much is the total distance covered?</h3>

To obtain the total distance covered by the sprinter, we need to first realize that 1 Km is equal to 1000 meters. That said, the question above requires us to change 2400 meters to kilometers.

Thus we will have:

2400 Meters * 1 km / 1000 meters

= 2.4 km

So, the total distance covered by the sprinter in kilometers is 2.4

Learn more about meter conversions here:

brainly.com/question/26259781

#SPJ4

4 0
1 year ago
Other questions:
  • Picture shownnnmn helppp
    11·1 answer
  • How does understanding place value help you to subtract across zeros
    8·1 answer
  • solve the x:(pls help with explanation) 1. 2x/3=18 2. 1.6= x/1.5 3. 14y-8=13 4. 17+6p=9 5. x/3+1= 7/15
    5·1 answer
  • Convert the decimal expansion 0.1777 into a rational number
    12·1 answer
  • What is the first step in writing f(x) = 6x2 + 5 – 42x in vertex form?
    9·1 answer
  • What is the fractional part of a ton is a pound?
    13·2 answers
  • What is the volume of the right cylinder?
    13·1 answer
  • The equation of a circle is given as x2+ax+y2+by=c where a, b, and c are constants. The radius of the circle is given by the exp
    8·2 answers
  • Graph the line with slope -5 and y-intercept 1.
    10·1 answer
  • 6 The bar chart shows the A-level mathematics grades achieved by some students one year. A-level grades 120 100- 80 Frequency 60
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!