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3 years ago

8

I need help with 1-32 it’s a test help ASAP thanks

1 answer:

Illusion [34]3 years ago

5 0

What’s in it for me will u give me vbucks

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Find two consecutive odd integers such that the square of the first, added to 3 times the second is 24.

OLEGan [10]

X^2+3(X+2)=24
X^2+3x+6-24=0
X^2+3x-18=0
(X+6)(X-3)
X+6=0. X-3=0
X=-6. X=3

. Only 3 and 5 must be a odd integer

3 0

3 years ago

Sally has three tiles each tile is has a different number on it so he puts the three tires down to make a number each number is

Juli2301 [7.4K]

this would be equal to factorial 3 which is written 3! .

It is 3 * 2 * 1 = 6 numbers answer.

4 0

4 years ago

A test consists of 20 questions, and students are asked to only answer 15 of them. In how many different ways can they choose 15

frozen [14]

N = 20, r = 15;
n C r = ( n * ( n - 1) ( n - 2 ) ... ( n - r + 1 )) / r ! =
20 C 15 = (20 * 19 * 18 * 17 ......8 * 7 * 6) / (15 * 14 * 13 ...* 5 * 4 * 3 * 2 * 1) =
= 15,504
Answer:
They can choose 15 questions in 15,504 ways.

6 0

3 years ago

4/3n=2<br> Solve for n<br> Also, show work

Ghella [55]

Answer:

n=2/3

Step-by-step explanation:

6 0

3 years ago

Help ! With step by step solution

nirvana33 [79]

Answer:

the correct answer is C

Step-by-step explanation:

first step you change the x and y powers to the square root(showing in the pic).

second the number outside of the parenthesis times the numbers inside the parenthesis and then you just figure it out how it works...

7 0

3 years ago