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Fantom [35]
3 years ago
8

1.) Explain how u can use absolute value to tell whether the sum of two integers is positive or negative?

Mathematics
2 answers:
stealth61 [152]3 years ago
6 0

Answer:

To find the sum of a positive and a negative integer, take the absolute value of each integer and then subtract these values. The result takes the sign of the integer with the larger absolute value. The sum of any integer and its opposite is equal to zero.

UkoKoshka [18]3 years ago
3 0

Answer with explanation:

Absolute value of any number=Always Positive

⇒Suppose,a and b are two integers.Then

→|a|-|b|

--If a> b, then |a|-|b|=a-b, will be Positive.

--If, a<b, then |a|-|b|=a-b, will be Negative.

→If we calculate

  |a|+|b|=a+b

it will be always positive.

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Simplify the expression: 2(2 + g) =
Over [174]

Answer:

4 + 2g

General Formulas and Concepts:

<u>Pre-Algebra</u>

Distributive Property

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

2(2 + g)

<u>Step 2: Expand</u>

  1. Distribute 2:                     2(2) + 2(g)
  2. Multiply:                           4 + 2g
3 0
3 years ago
Read 2 more answers
Ignore my handwriting but here’s some math i need for tomorrow
Vitek1552 [10]

FYI - 14,15,16 are correct.

17. a) 7 (nearest integer), b) 6.8 (nearest tenth)

18. a) 14 (nearest integer), b) 13.8 (nearest tenth)

19. \sqrt{40} --> simplified to = 2\sqrt{10}

<em>-- let me know if you have any questions regarding this. </em>

6 0
3 years ago
Sandy mixed together 9 gallons of one brand of juice and 8 gallons of a second brand of juice, which contains 48 percent real fr
Gekata [30.6K]

Answer:

14 %   pure juice comes from  first brand

Step-by-step explanation:

Mixture:

17 gal 30% contains:  17x 30% = 5.10 gal pure juice

 Second brand:

8 gal 48% contains:  8x40% =  3.84   gal pure juice

5.10 − 3.84 = 1.26   gal

1.26   gal is  coming  from 9 gal of first  brand

The percentage of first brand  is:

(1.26/9) x100  =  14 %   pure juice.

8 0
3 years ago
in coordinates plane, what is the length of the line segment that connects points at (4, -1) and (9, 7) ? round to the nearest h
Travka [436]

Answer:

<h2>17.72</h2>

Step-by-step explanation:

The formula of a distance between two points:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

We have the points (4, -1) and (9, 7). Substitute:

d=\sqrt{(9-4)^2+(7-(-10))^2}=\sqrt{5^2+17^2}=\sqrt{25+289}=\sqrt{314}\approx17.72

4 0
4 years ago
Torrie could buy 8 jars of peanut butter for 27.12 or 7 jars of peanut butter for 26.53 what is the difference in the unit rates
Elan Coil [88]

Answer:

The difference in the unit rates of the jars of peanut butter is 0.4.

Step-by-step explanation:

In order to find the unit rates, you have to divide each price for the amount of units purchased with that price, which is:

27.12/8=3.39

26.53/7=3.79

Now, that you have the unit rate for each case, you have to subtract 3.39 from 3.79 to find the difference in the unit rates:

3.79-3.39=0.4

According to this, the answer is that the difference in the unit rates of the jars of peanut butter is 0.4.

6 0
3 years ago
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