What is 9 + 2x = -x + 3

Answers

Answer 1
Answer:

Answer:

x=-2

Step-by-step explanation:


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The machinist's goal was to increase his production by at least 10% each day. Assume he achieved his goal. If he was able to machine 25 items on Tuesday, how many would he machine on Wednesday?

Answers

Answer:

The number of machine produced on Wednesday is 27.5.

Step-by-step explanation:

It is given that the number of machines produced by machinist on Tuesday is 25.

The machinist's goal was to increase his production by at least 10% each day.  

Therefore the number of produced machines on Wednesdays is 1% more than the number of machines produced on Tuesday.

\text{10 \% of 25}=(10)/(100)* 25=2.5

The number of machine produced on Wednesday is,

25+2.5=27.5

Therefore the number of machine produced on Wednesday is 27.5.

25+10%= 27.5 Hope this helps.

Anna said that the product of 7/8 ⋅ 1 1/2 =7/2. How can you tell that her answer is wrong/

Answers

Answer:

The answer is 77/16, but you can go much dipper if you want. By just simplify 77/16, in 4×13/16. And the final result will be 4.8125. Please if you find it helpful give me a like and rate me.

Answer:

it's 77/16  and just say Anna's answer is wrong.

For every 2 books that Tom buys, he can buy 3 magazines. If he pays $60 fo 4 books and 4 magazines, how much does he have to pay for each book?​

Answers

Answer:

Price of book is 9\$

Step-by-step explanation:

Let the price of book be x and price of magazine be y

We have

2x=3y

We also have

4x+4y=60

2* 2x+4y=60\n\n2*3y+4y=60\n\n10y=60\n\ny=6\n\n2x=3*6\n\nx=9\$

Price of book is 9\$

What is the greatest number that rounds to 500 when rounded to the nearest ten?

Answers

Answer:

504.999...

Step-by-step explanation:

505 rounds to 510, but a number that is infinitessimally smaller rounds to 500.

Unfortunately, for any number you can write that rounds to 500, there are an infinite number of numbers that are greater and still less than 505.

In short, there is no "greatest number" that is less than 505—unless you put additional restrictions on it, like the number of digits that can be used to express it, for example.

i believe the answer is 549.

Megan is thinking of a number that is divisible by both 9 and 12 what is the smallest possible number that Megan is thinking

Answers

Answer:

36

Step-by-step explanation

9x4=36

12x3=36

Answer:

The smallest possible number Megan is thinking, is 36.

Step-by-step explanation:

In order to answer this question, you have to find the LCM of 9 and 12.

9 = 3 x 3 (simplified)

12 = 3 x 4 (simplified)

This means that 3 and 4 are both common factors in these two numbers.

Now, multiply the common factors with the uncommon factor.

3 is an common factor, and 4 is an uncommon factor

Hence, we do 3 x 3 x 4 which is equal to 36

What is the value? 3/4 + 7/12 - (-4)

Answers

Answer: 3/4 + 7/12 - (-4) = 3/4 + 7/12 + 4 (two minuses make a plus)

3/4 + 7/12 + 4/1 = 9/12 + 7/12 + 48/12           (4 = 4/1 or 4 divided by 1)  

(to add the fractions the denominators need to be the same. Multiply both the denominator and numerator by the same number)

(9+7+48)/12 = 64/12 = 5 and 1/3 or 16/3

We can also get this answer by leaving the 4 as a whole number:

9/12 + 7/12 +4 = 16/12 + 4 = 1 and 1/3 + 4 = 5 and 1/3

If you put the sum in a calclator you also get 5 and 1/3.

Hope this helps :)