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Rasek [7]
3 years ago
8

NUMERICAL EXPRESSIONS

Mathematics
1 answer:
Flauer [41]3 years ago
8 0
30+8-6

here you go the answer
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Seventh Grade Students
Vlad1618 [11]

Answer:

<h2> 3/11</h2>

Step-by-step explanation:

FORMULA= P(A)=

NUMBER OF FAVORABLE OUTCOMES

-------------------------------------------------------------

NUMBER OF POSSIBLE OUTCOMES

GIVEN: 12 Guitars, 10 Bass, 9 Drums, 12 Keyboards

WANT: The probality a seventh grader chosen at randome will play drums

add all the instruments

12+10+9+12=33

there are 9 drums

FOLLOW THE FORMULA

9 3

---- = ---- SIMPLIFIES FORM

33 11

8 0
3 years ago
PLEASE HELP ME WITH THIS ONE QUESTION
gavmur [86]

Given:

n=4 and r=3.

To find:

The combinations without repetition are possible if n=4 and r=3.

Solution:

Combination of selecting r item from total n items is:

^nC_r=\dfrac{n!}{r!(n-r)!}

We have n=4 and r=3. By using the above formula, we get

^4C_3=\dfrac{4!}{3!(4-3)!}

^4C_3=\dfrac{4\times 3!}{3!1!}

^4C_3=4

Therefore, the correct option is D.

5 0
3 years ago
I need help with my homework please answer this correctly
grin007 [14]

The correct answer choice is "3".

8 0
3 years ago
4. REINFORCE A recipe for lemonade call for 3 lemons for every 2 cups of water.
Oksanka [162]

Answer:

PLZ MARK BRAINLIEST!

The answer is below...Can you farther explain on the part "Find at least one ratio where one of the quan

a fraction or decimal."

Step-by-step explanation:

LEMONS .         CUPS

3              :               2 .  3/2

6            :                 4 .  6/4

9              :               6     9/6

12           :                 8 .    12/8

15        :                   10 .    15/10

5 0
3 years ago
How do you get 40y from the difference of 2 squares with the problem (5y+4+3x)(5y+4-3x)? I understand distribution method. I don
otez555 [7]

Answer:

Step-by-step explanation:

(5y+4+3x)(5y+4-3x) = (5y+4)² - (3x)²......(from the difference of 2 squares )

by identity : (a+b)(a-b) = a² - b²

in this exercice ; a = 5y+4 and b  = 3x

3 0
3 years ago
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