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Zanzabum
3 years ago
8

Another name for a dummy variable is a binary variable.a.Trueb.False

Mathematics
1 answer:
Sveta_85 [38]3 years ago
7 0
Another name for a dummy variable is a binary variable
a.True
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Which quadratic function in vertex form can be represented by the graph that has a vertex at (3, -7) and passes through the poin
Vaselesa [24]

Answer:

Answer is D

Step-by-step explanation:

(3,-7) and (1,-10) belong toD Variant

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3 years ago
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Ricardo took the following steps to simplify the expression below but was surprised to hear that his answer was incorrect. Which
Xelga [282]

You have not given us any of the steps that Ricardo took to simplify the
expression, and you also haven't given us the list of choices that includes
the description of his mistake, so you're batting O for two so far. 
Other than those minor details, the question is intriguing, and it certainly
draws me in.

If Ricardo made a mistake in simplifying that expression, I'm going to say that
it was most likely in the process of removing the parentheses in the middle. 

Now you understand that this is all guess-work, because of all the stuff that you
left out when you copied the question, but I think he probably forgot that the  3x 
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He probably wrote that  3x (x-3)  is

either    3x² - 3
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In reality, when properly simplified,

       3x (x - 3)  =  3x² - 9x .


3 0
3 years ago
the sum of ages of father and his son is 60 years.if the difference between their ages is 40 years then find the age of father a
cluponka [151]

Answer:

Father's age is 50, Son's age is 10

Step-by-step explanation:

X+Y=60

X-Y= 40

Let X represent the Father's age while Y represents the Son's age;

therefore, from the two equations, the value of X is

X= 60-Y

X= 40+Y  then putting in the value of x

(40+Y) + Y= 60,

40+2Y=60

2Y=60-40 =20

Y= 10,

Now that we know the value of Y, we can get the value of x

If X+Y=60, then

X+10=60,

X=60-10,

X= 50

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3 years ago
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artcher [175]

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5 6 9

Step-by-step explanation:

5 6 9

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Help Plz!
Len [333]

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10 for each side so 40 tiles

Step-by-step explanation:

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