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VMariaS [17]
3 years ago
14

Gabriel must practice piano at least 15 hours a week. This week he has practiced 6 hours so far. Piano lessons are part of Gabri

el’s practice time. His teacher gives 2-hour lessons. what inequality can be used to find x, the number of lessons Gabriel must attend this week?
Mathematics
2 answers:
irina [24]3 years ago
7 0

Answer:

lessons he must complete: 15= 2x-6

Step-by-step explanation:

On the left side of the equation you have 15 hours which is what he must fulfill. X represents number of lessons he must complete. You convert the lessons to hours by multiplying by two because that is how long each lesson is. Im not sure if your teacher wants u to put 2x-6=15 or 2x= 11. Most likely the first answer

suter [353]3 years ago
4 0

Answer:

9

Step-by-step explanation:

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8
Sedbober [7]

Answer:

15 people voted yes and 3 people voted no.

Step-by-step explanation:

Given that:

Ratio of yes to no = 5 : 1

Total number of board members who voted = 18

Let,

x be the number of times.

5x+x = 18

6x = 18

Dividing both sides by 6

\frac{6x}{6}=\frac{18}{6}\\x=3

People who voted yes = 5(3) = 15

People who voted no = 3

Hence,

15 people voted yes and 3 people voted no.

6 0
3 years ago
Factorise 4a²_4ab+b²<br>​
Natalija [7]

Answer:

(2a -b)^2

Step-by-step explanation:

7 0
2 years ago
What are the zeros of f(x) = x(x − 9)?
ollegr [7]

Answer:

x = 0 , x = 9

Step-by-step explanation:

to find the zeros let f(x) = 0 , that is

x(x - 9) = 0

equate each factor to zero and solve for x

x = 0

x - 9 = 0 ⇒ x = 9

6 0
2 years ago
Read 2 more answers
Melanie made 72 peanut butter cookies and oatmeal cookies. She wants to make identical groups of cookies for her friends. Each g
swat32
This depends on how many friends she has. Like if she has 72 friends each will get one of each, but if she has 3 friends than each will get 24 on each. Do you know how many friends she has?
7 0
3 years ago
1.09 times 10 to the negative 3rd power
adoni [48]

Answer:

0.00109

Step-by-step explanation:

1.09(10^−3)

=1.09*10^−3

=1.09* 1 /10*10*10

=0.00109

5 0
3 years ago
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