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Firlakuza [10]
3 years ago
10

A group of 8 friends(5girls and 3 boys) plans to watch a movie,but they have only 5 tickets. If they randomly decide who will wa

tch the movie,what is the probability that there are at least 3 girls in the group watching the movie?
Mathematics
1 answer:
mrs_skeptik [129]3 years ago
3 0

The chance of 3 girls being chosen is 3/8.

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which of the following would you expect to have the highest interest? a 5-year CD a 10-year CD and online savings account or sav
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Answer:10-year CD

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Sara was thinking of a number. Sara halves the number and gets an answer of 38.5. Form an equation with x for the information
lbvjy [14]

Answer:The equation wth x in the information can be written as

1/2 x = 38.5 , Upon solving, the number = 77

Step-by-step explanation:

Let the number Sara was thinking about be x

halving the number to get an answer = 38.5 can be expressed as

 1/2 X = 38.5

The equation with x in the information can be written as

1/2 x = 38.5

solving it becomes

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x = 38.5 x 2

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The number Sara was thinking about = 77

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3 years ago
I did not get the right answer, please help.​
yawa3891 [41]

Answer:frfr it made hard

Step-by-step explanation:

6 0
3 years ago
If h (x) = -5x-7 then what is h (x-1) ?
goldenfox [79]

Answer:

h(x - 1) = -5x - 2

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

Terms/Coefficients

Functions

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

h(x) = -5x - 7

<u>Step 2: Find</u>

  1. Substitute in <em>x </em>[Function h(x)]:                                                                          h(x - 1) = -5(x - 1) - 7
  2. [Distributive Property] Distribute -5:                                                                h(x - 1) = -5x + 5 - 7
  3. Combine like terms:                                                                                         h(x - 1) = -5x - 2
6 0
3 years ago
BRAINLIEST ASAP! PLEASE ANSWER!!!!!
hodyreva [135]
Similarities: They both are polynomials of degree 2, both of their graphs is a parabola, both have either 2 or 0 real solutions, they are both continuous functions over R 
(DOS= difference of two squares, PST=perfect square trinomial 
Differences: PST has three terms, whereas the difference of squares has 2. PST's factors are both the same, whereas DOS's elements are conjugates of each other. DOS can always be factored into two distinct polynomials with rational coefficients, whereas PST has two same polynomial factors.

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