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bagirrra123 [75]
3 years ago
7

I'm studying for my ged and I don't understand what they mean by 'use distributive property to remove grouping symbols'. What do

es that mean?
Mathematics
1 answer:
Advocard [28]3 years ago
3 0
<span>let's say, you have 2(x+5)=10 
What you  do is multiply the x and the 5 by 2 so it now looks like 
2x+10=10 

The act of multiplying the inside numbers by the number outside the parenthesis is the distributive property. Now using distributive property to remove grouping symbols is  similar 
</span>Lets say you have 18 + {2 + 3 (6 -1*2)} first you would multiply 2by1

= 18 + {2 + 3(6 - 2)} then subrtact 2 from 6 

= 18 + {2 + 3(4)} then multiply 3by 4  take away () grouping signal

= 18 + {2 + 12} then add 2 and 12

= 18 + {14} then take away the last grouping signals 

= 18 + 14 then add 18 and 14 

= 32

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a tub shaped like a cylinder with a diameter of 18 inches, And a height of 20 inches Is filled to the top with water. Six spheri
jasenka [17]

The approximate amount of water that remains in the tub after the 6 spherical balls are placed in the tub are 3479.12 in³.

<h3>What is the approximate amount of water that remains in the tub?</h3>

The first step is to determine the volume of the cylinder.

Volume of the tub = πr²h

Where:

  • r = radius = diameter / 2 = 18/2 = 9 inches
  • h = height
  • π = 3.14

3.14 x 9² x 20 = 5086.8 in³

The second step is to determine the volume of the 6 balls.

Volume of a sphere= 4/3πr³

r = diameter / 2 = 8/2 = 4 inches

6 x (3.14 x 4/3 x 4³) = 1607.68 in³

Volume that remains in the tub = 5086.8 in³  -  1607.68 in³ = 3479.12 in³

To learn more about the volume of a sphere, please check: brainly.com/question/13705125

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4 0
2 years ago
If a → b is true, then ~a → b is also true.
Rasek [7]

Answer:

False

Step-by-step explanation:

To determine whether the statemaent "If a\Rightarrow b is true, then \neg a\Rightarrow b is also true" holds, you can form the truth table:

\begin{array}{ccccc}a&b&a\Rightarrow b&\neg a&\neg a\Rightarrow b\\1&1&1&0&1\\1&0&0&0&1\\0&1&1&1&1\\0&0&1&1&0\end{array}

When the result of the column a\Rightarrow b takes value 1 (true), the result of the column  \neg a\Rightarrow b is not always 1, then the statement is false.

7 0
2 years ago
Clarisse used the ordered pairs (0, 13) and (24, 5) for her trend line. What would be the y-intercept of her trend line?
laila [671]

Answer:

Step-by-step explanation:

Remark

You have 2 points to solve the equation y = mx + b. After finding m, use either of the points to find b.

Formula

y = mx + b

m = (y2 - y1)/(x2 - x1)

Solution

  • y2 = 13
  • y1 = 5
  • x2 = 0
  • x1 = 24

m = (13 - 5)/(0 - 24)

m = 8 / - 24

m = - 1/3

y = mx + b

y = -1/3 x + b

Use (0,13)  as the point.

13 = -1/3 * 0 + b

13 = b

The y intercept = (0,13)

5 0
2 years ago
The diagram shows a circle inscribed inside a square of side length 10 cm. A quarter circle of radius 10 cm is drawn with the ve
creativ13 [48]

Answer:

diagram shows a person and her twin at equal distances on opposite sides of a thin wall. Suppose a window is to be cut in the wall so each twin can see a complete view of the other. Show the size and location of the smallest window that can be cut in the wall to do the job.

Step-by-step explanation:

7 0
2 years ago
What is the slope of the line that contains
emmainna [20.7K]

Answer:

-4/5 or -0.8

Step-by-step explanation:

Slope: (y2 - y1)/(x2 - x1)

m = (49 - 45)/(5 - 10)

= 4/-5

= -⅘

4 0
2 years ago
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