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Nitella [24]
3 years ago
9

I need help plz help me

Mathematics
2 answers:
Alex Ar [27]3 years ago
8 0

Answer:

Step-by-step explana:2 ( a+ 2b) - a- 2b

=2a + 4b - a - 2b= a + 2b  

MissTica3 years ago
5 0

Answer:

a+2b

Step-by-step explanation:

2(a+2b)-a-2b

2a+4b-a-2b

=a+2b

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For every hour that Noah studies, his test score goes up 3 points. Explain which is the independent variable and which is the de
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3 years ago
Read 2 more answers
X=1/16y^2 the directrix of the parabola is
yan [13]
To solve this problem you must apply the proccedure shown below:

 1. You have the following equation of a parabola, given in the problem above:

 x<span>=1/16y^2

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3 0
3 years ago
HELP say im getting it wrong <br><br>the perimeter of the polygons is ?​
lara [203]
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8 0
3 years ago
There are four blue marbles, an unknown number of red (r) marbles, and six yellow marbles in a bag. Which expression represents
MAXImum [283]

Answer:

There are a total of 4 + r + 6 marbles in the bag

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The probability of choosing a blue, replacing it and then a red is

\frac{4}{10+r} × \frac{r}{10+r}  =  [tex]\frac{4r}{100+20r+ r^{2} /[tex]

Step-by-step explanation:

6 0
3 years ago
Help me with this ASAP
N76 [4]

Add each term and divide it by 2.


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3 0
3 years ago
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