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hjlf
3 years ago
13

students are encouraged to exercise at least 2 1/2 hours a week. Hector exercises about the same number of hours each week. duri

ng a 4 week period he exercises 11 1/2 hours. how many hours does he exercise per week?
Mathematics
1 answer:
Natasha2012 [34]3 years ago
6 0

Answer:

On average, he exercises 2.875 hours per week.

Step-by-step explanation:

Just do 11 1/2 (11.5) divided by 4, and you get your answer of 2.875 hours per week.

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76 people left before the movie ended 124 people remained how many people were in the theater when it was full 
andre [41]

Answer:

Step-by-step explanation:

124 + 76 = 200 ☺

8 0
3 years ago
Read 2 more answers
Joanna joins a CD club. She pays $7 per month plus $10 for each CD that she orders. Write an inequality to find how many CDs she
Effectus [21]
Lets use x as the number of CD's that she will buy in a month. So knowing that, our inequality can look like this. 7 + 10x < or = 100. Why? because we will have to multiply 10 with the number of CDs she will purchase in a month to get the total she spends. Hence 10 times x. She also has to add a 7 membership fee per month to this. Also, she has to remember that what she paid has to be less or equal to 100 because the problem states that she spends no more than 100 a month. 
6 0
3 years ago
3 spheres of diameter 6cm,8cm and 10cm are melted to form a single sphere .find the diameter of the sphere.
julia-pushkina [17]

Answer:

Step-by-step explanation:

6/2=3 cm is the radius V(4/3πr³) = 4/3.π.27…(1)

8/2= 4 cm is the radius and V = 4/3.π.64…..(2)

10/2=5 cm is the radius and V = 4/3.π.125…(3)

The Total Volume is the addition of (1)+(2)+(3) or 4/3π (27+64+125) or New volume is 4/3.π.(216) cm³ and therefore...

The radius of the New Solid Sphere is Cube Root of 216 (r³) = √6.6.6 or r = 6 cm and the diameter is 6.2 = 12 cms.

12 cms answer. Brainlist please?

4 0
3 years ago
(I am giving branlest) (plz help only if you understand )
Vladimir [108]

Answer:

its 11/14 so its B hope this helps

3 0
3 years ago
Solve for the inequality? <br> A OR B?
ASHA 777 [7]

Step-by-step explanation:

3x - x = 2x

2(x + 2) = 2x + 2

for every number of x, 2x + 2 would always be larger than 2x.

so there is no solution, since the given equation is 2x is greater than 2x + 2.

6 0
3 years ago
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