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zysi [14]
3 years ago
14

norma practices violin for 50 minutes every day how many minutes does norma practices violin in 7 days

Mathematics
2 answers:
m_a_m_a [10]3 years ago
7 0
Well she practices 50 min every day and there is seven days. This is multiplication so 50 x 7 = 350, so she practices for 350 hours a week.
scoundrel [369]3 years ago
6 0
50 x 7 = 350 minutes
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How many solutions does the following equation have? -1/3x2=5/6+1/3y2 5y2=25/2-5x2
Phantasy [73]

The system of equations have 2 solutions

<h3>How to determine the number of solutions?</h3>

The system of equations is given as:

-1/3x² = 5/6 + 1/3y²

5y² = 25/2 - 5x²

Next, we plot the graph of the system of equations.

From the attached graph, the equations intersect at two points

Hence, the system of equations have 2 solutions

Read more about system of equations at:

brainly.com/question/12895249

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6 0
2 years ago
Evaluate the promblem. 3x+6+5x=86
Mashcka [7]

Answer:

10 or x=10

Step-by-step explanation:

First we can combine like-terms.

8x+6=86

Then subtract 6 from both sides

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Divide by 8

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8 0
3 years ago
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Salina's age is one-quarter the age of her aunt. If a represents her aunt's age, which expression represents Salina's
alukav5142 [94]

Answer:

D. A over 4

Step-by-step explanation:

One quarter is equal to \frac{1}{4}. If her aunt is age 'a', than Salina's age is a/4

Hope this helps.

4 0
3 years ago
Read 2 more answers
Please help me I don’t understand
Brilliant_brown [7]
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5 0
3 years ago
Read 2 more answers
Please help. !!!!!!!!
Kryger [21]
Basically you find the data points and fill in the values. For Point J it is (2,4). They want you to do this: (2-4,4-6)...it then becomes (-2,-2).
So 
J: (-2,-2)
K: (-1, -4)
I: (-2, -5)
Those are your new points. I hope this helps love! :)
8 0
3 years ago
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