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777dan777 [17]
3 years ago
9

1.3b+7.8-3.2b plz answer, combining like terms. khan academy sucks T^T

Mathematics
1 answer:
kolbaska11 [484]3 years ago
3 0

Answer:

That'd be

1.3b -3.2b +7.8

-1.9b + 7.8

that's the simplification

don't forget to make my answer the brainliest if it's correct

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In the spinner below, what is true about the probability of landing on 3 and the probability of landing on 4?
Karo-lina-s [1.5K]

Answer:

C.The probabilities are equal.  

The above statement is the only TRUE statement.

Step-by-step explanation:

Here, the given number of total possibilities are { 0,1,2,3,4,5,6,7,8,9}

So, number of total outcomes = 10

Let E : Event of spinner landing on 3

and E' : Even of spinner landing on 4

{Probability of Event E}  =  \frac{\textrm{Total number of favorable outcomes}}{\textrm{Toatl outcomes}}

\implies P(E) = \frac{1}{10}

⇒ P( landing on 3 ) = 1/10

and  P(E') = \frac{1}{10}

P( landing on 4 ) = 1/10

Now, the given statements are

A.The probability of landing on 3 is less than  probability of landing on 4.

FALSE, as both the probabilities are equal to 1/10.

B.The probability of landing on 3 is greater than probability of landing on 4.

FALSE, as both have same probabilities.

C.The probabilities are equal.

TRUE, both have same probability = 1/10

D.The probabilities cannot be predicted

FALSE, the probability are predictable.

3 0
3 years ago
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If f(x) = 3x - 1 and g(x) = x + 2, find (f- g)(x).<br> PLZZ HELPPP
kirill [66]

This the answer

If f(x) = 3x - 1 and g(x) = x + 2, find (f- g)(x).

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6 0
3 years ago
Can someone please answer. There is one question. There's a picture. Thank you!
barxatty [35]
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6 0
3 years ago
325% of 24.2 is what
tatyana61 [14]
If you would like to know how much is 325% of 24.2, you can calculate this using the following steps:

325% of 24.2 = 325/100 * 24.2 = 78.65

Result: 325% of 24.2 is 78.65.
7 0
3 years ago
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WHAT IS THE SLOPE OF THE LINE PASSING THROUGH THE POINTS (-2, -7) AND (3, 5)?????? PLZ ANSWER QUICKLY!!​
jarptica [38.1K]

Answer:

The slope of the line with points A(-2, -7) and B(3,5)  is  m =  (12/5).

Step-by-step explanation:

The two pints are given as A(-2, -7) and B(3,5)

Slope of a line with points (a,b) and (c,d) is given as

m =( \frac{d -b}{c-a} )

So, here the slope of line AB is

m =( \frac{5 - (-7)}{3 - (-2)} )  = \frac{5+ 7}{3 +2}   = \frac{12}{5}

or, m = 12/5

Hence, the slope of the line with points A(-2, -7) and B(3,5)  is (12/5).

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