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slava [35]
3 years ago
8

I know its big...sorry for that, but i really need the awnsers -_-

Mathematics
2 answers:
melamori03 [73]3 years ago
7 0
16- 3cm^3 because 3x3x3=27
24- 1-3
25- 1, because any number to the 0 power equals 1.

sorry i couldn’t answer the rest!!
BlackZzzverrR [31]3 years ago
3 0

Answer:

#20 is irrational,  #24 is 33/100, and #25 is 0  

Step-by-step explanation:

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Can you please help me out
Taya2010 [7]

The bag contains,

Red (R) marbles is 9, Green (G) marbles is 7 and Blue (B) marbles is 4,

Total marbles (possible outcome) is,

\text{Total marbles = (R) + (G) +(B) = 9 + 7 + 4 = 20 marbles}

Let P(R) represent the probablity of picking a red marble,

P(G) represent the probability of picking a green marble and,

P(B) represent the probability of picking a blue marble.

Probability , P, is,

\text{Prob, P =}\frac{required\text{ outcome}}{possible\text{ outcome}}\begin{gathered} P(R)=\frac{9}{20} \\ P(G)=\frac{7}{20} \\ P(B)=\frac{4}{20} \end{gathered}

Probablity of drawing a Red marble (R) and then a blue marble (B) without being replaced,

That means once a marble is drawn, the total marbles (possible outcome) reduces as well,

\begin{gathered} \text{Prob of a red marble P(R) =}\frac{9}{20} \\ \text{Prob of }a\text{ blue marble =}\frac{4}{19} \\ \text{After a marble is selected without replacement, marbles left is 19} \\ \text{Prob of red marble + prob of blue marble = P(R) + P(B) = }\frac{9}{20}+\frac{4}{19}=\frac{251}{380} \\ \text{Hence, the probability is }\frac{251}{380} \end{gathered}

Hence, the best option is G.

5 0
2 years ago
Which expressions are equivalent to -5x - 15 + 25x - 30? Choose ALL that apply. −5(2 − 3+52 – 6) −5(2 – 5x + 9) −5(2+3 – 5x – 6)
timurjin [86]

The correct expression that is equivalent to the algebraic expression -5x - 15 + 25x - 30 is -5(-4x + 9).

<h3>How to determine the equivalent expression</h3>

We shall simplify the given algebraic expression by carrying out basic mathematics operations as follows;

Given: -5x - 15 + 25x - 30

we group like terms together

25x - 5x - 15 - 30

20x - 45

the number 5 is a common factor of 20x and 45, so we have that;

5 × 4x - 5 × 9

by factoring out 5

5(4x - 9)

also;

5(4x - 9) = -5(-4x + 9)

Therefore, -5(-4x + 9) is an equivalent expression to the algebraic expression -5x - 15 + 25x - 30

Learn more about equivalent expression here: brainly.com/question/24734894

#SPJ1

7 0
1 year ago
The domain of a graph is
Minchanka [31]
Because the domain refers to the set of possible input values, the domain of a graph consists of all the input values shown on the x-axis. The range is the set of possible output values, which are shown on the y-axis.
6 0
3 years ago
Find the area of the shaded region. Show all work in order to receive credit.
antoniya [11.8K]

area of square = 14^2 = 196 square cm

 area of circle = 3.14 *7^2 = 153.86 square cm


196 - 153.86 = 42.14 square cm is shaded

3 0
4 years ago
63/84 in simplest form
Verdich [7]

Answer: 3/4

Step-by-step explanation:

63 ÷ 21

84 ÷ 21

6 0
4 years ago
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