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ASHA 777 [7]
3 years ago
10

Given that x is a number greater than 0, Molly conjectured that x3>3x+3 . Which value is a counterexample to Molly's conjectu

re?
Mathematics
2 answers:
Marizza181 [45]3 years ago
8 0
You didn't give any options but I'll try 2 
sveta [45]3 years ago
6 0

The answer is 2, just took the test.......

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How do I make 4(x+3)=3(3x-1) into a simpler form without parentheses. Then substitute 3 for x.
tankabanditka [31]
4x+12=9x-3
12+12=27-3
24=24
5 0
3 years ago
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HELP PLEASE!!! I NEED A ANSWER ASAP
telo118 [61]

Answer:

B

Step-by-step explanation:

b - 3b + 15 - w + 4

-2b-w+19

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Solve the inequality. Graph the solution.<br><br> w+6≤−3
yuradex [85]

Answer: w<-9 With the line underneath

Step-by-step explanation:

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3 years ago
Two pairs of statements about Jeff's housing expenditures are given below. How can both pairs of statements be true?
Irina18 [472]

Explanation:

Pair 1 is true if Jeff's monthly income is $600/20% = $3,000.

Pair 2 is true if Jeff's monthly income is $1200/10% = $12,000.

Both pairs can be true if Jeff's monthly income increased by a factor of 4 in the 20 years from 1990 to 2010.

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5 0
3 years ago
How do i calculate? All the way to s_75. It’s so long
mina [271]

Answer:

  -675

Step-by-step explanation:

The sum can be broken into parts that you know. Here, one of those parts is the sum of numbers 1 to n. That sum is given by n(n+1)/2.

\displaystyle S_{75}=\sum\limits_{n=1}^{75}{(67-2n)}=\sum\limits_{n=1}^{75}{67}-2\sum\limits_{n=1}^{75}{n}\\\\=75\cdot 67-2\dfrac{75(75+1)}{2}=75(67-76)\\\\=\bf{-675}

__

Another way to do this is to realize the sequence of numbers is an arithmetic sequence with a first term of 65 and a last term of 67-2·75 = -83.

The sum of an arithmetic sequence is found by multiplying the number of terms by their average value. Their average value is the average of the first and last terms.

The average value of those 75 terms is (65 +(-83))/2 = -9, so their sum is ...

  75(-9) = -675

7 0
3 years ago
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