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Dmitrij [34]
3 years ago
13

Maria does weightlifting for 30 seconds and then aerobics for 60 seconds. She repeats this 10 times. If she does not take any br

eaks, how many minutes does she exercise?
Mathematics
2 answers:
olga2289 [7]3 years ago
5 0
It took 15 minutes !!
VikaD [51]3 years ago
3 0

Answer:

15 minutes

Step-by-step explanation:

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A quadradic polynomial has a degree of 2 true or false
nataly862011 [7]

Answer: True

Step-by-step explanation:

 We know that the quadratics polynomials have this form:

f(x)=ax^2+bx+c

You need to remember that the degree of a polynomial is given by its highest exponent.

You can observe in the quadratic polynomial f(x)=ax^2+bx+c that the highest exponent is "2", which is the exponent of the term ax^2

Therefore, since the highest exponent is "2", you should conclude that the degree of the polynomial is 2.

Then, you can say that a quadradic polynomial has degree 2.

4 0
3 years ago
Brice had 3 energy bars.he ate half of one.how many energy bars remained uneaten
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Two and a half energy bars it should be the right one.
3 0
3 years ago
Please determine the conjugate of 9 - 3i ?
Kazeer [188]

Step-by-step explanation:

You find the complex conjugate simply by changing the sign of the imaginary part of the complex number.

the answer is

9+3i

7 0
2 years ago
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nlexa [21]
The answer 4/4 is equal to 1.
8 0
3 years ago
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Elan Coil [88]

Answer:

{x,y,z} = {-22/13,29/13,6/13} 

7 0
2 years ago
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