MATHEMATICS MIDDLE SCHOOL

Solve: −5(x + 6) = 15

Answers

Answer 1
Answer:

Answer:

-5x-30 = 15

or, -5x = 15+30

or, -5x = 45

or, x = 45/-5

therefore : x = -9
Answer 2
Answer:

Answer:

Distribute -   -5x - 30 = 15

Simplify like terms = +30 on both sides

                               = -5x = 45

Solve -5x = 45

x = -9

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Round 598,500 to the nearest ten thousand. *

Answers

Answer:

600,000

Step-by-step explanation:

Hi, have a great day!

My decimal is seven-tenths greater than 46%

Answers

percent means parts out of 100
46%=46/100
7/10=70/100
7/10 more than 46%=70/100+46/100=116/100=1.16

How many grains of sand is there at kirbys beach?

Answers

according to the other question u asked i have the feeling that the data for that question is 8 x 40m 
or 40 million
or 40,000,000
so lets multiply 
8 x 40,000,000 = 320,000,000
have a good day:P

2/3 <or>or= 2/5 what is the answer is don't understand

Answers

2/3 can also be put as 2÷3. you would get 0.6 repeating. and 2/5 can be put as 2÷5 which would be 0.4. Because 0.6 is bigger than 0.4 (even though it is repeating), 2/3 < 2/5

Charlotte bought 16 songs for her MP3 player. Three-fourths of the songs are classical songs. How many of the songs are classical songs?

Answers

I think 8 are classical songs
12 songs because if you look at the problem there is the word “of”. The word of means multiply, so if you make 16 into fraction that is 61/1 and multiply that my 34 the word problem is,16/1 x 3/4= 48/4 and 48 over 4 is equal to 12 and that is 12 songs.

when you roll two number cubes, what are the odds, in simplest form, in favor of getting two number less than 4 ?

Answers

The odds of getting less than 4 on one cube is 3/6 so 1/2 and if you roll two cubes the odds are 1/2 times 1/2 so the odds of getting two numbers less than 4 is 9/36 or in simplest form, 1/4

First, it depends on the answer.  If you are on the same quiz, the options should be

A) 1:3

B) 3:1

C) 1:4

D) 4:1

The answer is C or 1:4.  

Because it is in it's favor, the "1" would go first, standing as the numbers before "4" on a cube.  The probability in fraction form would be 3/6, or simplified to 1/2.  P ( >3, > 3) = P ( >3) = 1/2 x 1/2 = 1/4.  This leaves 1:4 being you're answer.  
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