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lora16 [44]
3 years ago
12

Jonathans parents told him that for every 5 hours of homework or reading he completes he will be able to play 3 hours of video g

ames. his friend Lucas parents told their son spends the same amount of time on homework and reading this week which boy gets more time playing video games how do you know
Mathematics
1 answer:
TEA [102]3 years ago
4 0
Jonathan get more hours because if him and lucks do 5 hours of homework Jonathan will play 3hours and luckas will play 2.5hours
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The symphonic choir and the jazz choir are recording songs for an album. The album can be no more than 72 minutes long. The jazz
zimovet [89]

Answer:

The symphonic choir can record a maximum of 14 songs.

Step-by-step explanation:

We know that the album cannot be more than 72 minutes long, and the jazz choir records a total of 7 (3min) = 21  song minutes.

If we call c the number of songs the symphonic choir records , and each song is 3.5 minute long, then the song minutes for the symphonic choir are 3.5c; therefore, we have the inequality

3.5c+21\leq 72<em> (this says the song minutes for jazz choir plus song minutes for symphonic choice cannot exceed 72 minutes )</em>

We solve this inequality by subtracting 21 from both sides and then dividing by 3.5:

3.5c\leq 51

$c\leq \frac{51}{3.5} $

c\leq 14.47

The maximum integer value c can take is 14; therefore, the maximum number of songs the symphonic choir can record is 14 songs.

3 0
3 years ago
4. Write as a fraction in simplest form: 38 minutes to 12 minutes
yanalaym [24]

Answer:

3 ⅙

Step-by-step explanation:

38 and 12’s common factor would be 2. Now the fraction is 19/6.

How many 6’s can fit into 19? 3. With a remainder of 1 we have:

3 ⅙

6 0
3 years ago
Scientists can estimate the number of bacteria in a refrigerated food using the formula 0.26=
monitta

Time is C. 50 seconds

Step-by-step explanation:

The population of bacteria at time t here is given by

0.2b=\frac{t^2}{20}

where

b is the number of bacteria

t is the time in seconds

Here we want to find the approximate time at which the number of bacteria is

b = 625

Substituting into the equation and solving for t, we find:

t^2=20\cdot 0.2 b\\t=\sqrt{4b}=\sqrt{4\cdot 625}=50 s

Therefore, the solution is

C. 50 seconds

Learn more about population growth:

brainly.com/question/10689103

#LearnwithBrainly

3 0
3 years ago
What is the slope of the line? Anwer
amm1812
The slope of the line is 1/3
5 0
3 years ago
Read 2 more answers
A car travels at an average speed of 56 miles per hour. How many miles does it travel in 4 hours and 15 minutes?
ivolga24 [154]
56*(4+15/60)

56*(240+15)/60

56*(255)/60

238 miles


8 0
3 years ago
Read 2 more answers
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