12) 10 + (-2)+1
how do i solve this?

Answers

Answer 1

Answer:

Answer: 9

Step-by-step explanation: its very simple , first take the -2 out of the parenthesis and put is as 10-2+1 which is positive 9 because 10-2=8 and plus 1 is 9.

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(+5) + (−2)[(+3) − (−4)]

12.5 is 25% of what number

Answers

12.5 is 25% of x
percent means parts out of 100
25%=25/100=1/4
12.5=1/4 of a number
mulitply both sides by 4
50=number

the number is 50

Since 25% is 1/4 of 100%, then you do 12.5 times 4 to get 50.

Luke has 27 lots for sale. Each lot is 0.57 acres . How much land does Luke have for sale?

Answers

Multiply 0.57 and 27 together to get 15.39 acres

What is the mix number of 22/3

Answers

The answer is 7 1/3 because 22/3 is 7 with a remainder of 1.

The answer is 7 1/3 hope it helps!

Find the equation of a line that passes through the point (12,9)and has a slope of 1/4

Answers

$y=mx+b \nm=(1)/(4) \n \Downarrow \ny=(1)/(4)x+b \n \n(12,9) \nx=12 \n y=9 \n \Downarrow \n 9=(1)/(4) * 12 + b \n 9=3+b \n 9-3=b \n b=6 \n \n \boxed{y=(1)/(4)x+6}$

so first convet to slope intercept form which is y=mx+b where m is slope and b is y intercept

so since you are given x and y values and the slope, you can solve for b

so y=mx+b
y=1/4x+b
subsitute 12 for x and 9 for y
9=1/4(12)+b
9=3+b
6=b

so the equation is y=1/4x+6

Is 45/5 a whole number or a mixed number?

Answers

45 ÷ 5 = 9. So 45/5 is a whole number.

45/5 is a whole number because it can be simplified down to 9/1 which will end up be just 9.

Which of the following gives all of the sets that contain squrt 9the set of all irrational numbers
the set of all natural numbers, the set of all whole numbers, and the set of all integers
the set of all integers, the set of all rational numbers, and the set of all real numbers
the set of all natural numbers, the set of all whole numbers, the set of all integers, the set of all rational numbers, and the set of all real numbers

Answers

Answer:

Option C (the set of all integers, the set of all rational numbers, and the set of all real numbers).

Step-by-step explanation:

The value of square root of 9 is ±3. This means that there two answers to square root of 9: 3 and -3.

As far as 3 is concerned, it is one of the elements of the natural number set. It is already known that natural numbers are also whole numbers, also integers, also rational numbers, and also real numbers.

As far as -3 is concerned, it is not a natural number since the set of natural numbers does not contain negative numbers. -3 is an integer. Which means that -3 is also a rational number and also a real number.

After identifying the common sets and taking the intersection of both the above classifications, it yields the set of all integers, the set of all rational numbers, and the set of all real numbers, Therefore, Option C is the correct answer!!!

Answer:

the set of all integers, the set of all rational numbers, and the set of all real numbers

Step-by-step explanation:

no explanation needed

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