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Finger [1]
3 years ago
8

Need help asap please!!

Mathematics
1 answer:
Evgen [1.6K]3 years ago
8 0

Answer:

b = 39

Step-by-step explanation:

The two sides are equivalent so we can use this information to form an equation.

2b - 39 = b

-39 = -b

39 = b

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12²+ 9 - 4<br> a) 119<br> b)147<br> c)137<br> d)221
ziro4ka [17]

Answer:

it will be 147

Step-by-step explanation:

12x12=144

5 0
3 years ago
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I need help<br><br> simplify: 4^8/4^-4
LenKa [72]

Answer:

4^{12}

Step-by-step explanation:

using the rule of exponents

\frac{a^{m} }{a^{n} } = a^{(m-n)} , then

\frac{4^{8} }{4^{-4} } = 4^{(8-(-4))} = 4^{(8+4)} = 4^{12}

5 0
11 months ago
BRAINLIEST IF CORRECT PLEASE HELP!!!
timofeeve [1]

Answer:

balanced reaction: <u>1</u> C3H8 + <u>5</u> O2  ---->  <u>3</u> CO2 + <u>4</u> H2O

7 0
2 years ago
In using the multiple regression method, we can model the effects of the different levels of a qualitative independent variable
attashe74 [19]

For the levels of qualitative, the variable called dummy variables is used in the multiple regression method.

According to the statement

we have given that the by which method we use the different levels of a qualitative independent variable and we have to explain about it.

So, For his purpose, we know that the

A dummy variable is a variable that takes values of 0 and 1, where the values indicate the presence or absence of something.

And in the multiple regression method there are a lot of different variables which are used for a qualitative and for this a variable is used which is called the dummy variables.

By this variables we show the analysis between the given data. it gives the output in the 0 and 1 numbers.

So, For the levels of qualitative, the variable called dummy variables is used in the multiple regression method.

Learn more about the Dummy variables here

brainly.com/question/17177646

#SPJ4

3 0
10 months ago
I don't understand this
babunello [35]
Its DBC, cause two is in that point so you just find the answer choice with those three letters in the right order.
7 0
3 years ago
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