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faust18 [17]
3 years ago
9

Choose the property of addition that justifies the equation.

Mathematics
1 answer:
Studentka2010 [4]3 years ago
6 0

Answer:

Associative

Step-by-step explanation:

Associative property is the one that says that when 3 or more numbers are summed, the grouping of such numbers has no effect on the result of the sum. It is:

(a + b) + c = a + (b + c) for every a, b and c real numbers.

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A middle school team scored three field goals worth three points each and two touchdowns worth six points with a single extra po
Bezzdna [24]
The team scored twenty-three points in total. 
This word sum can be worked out as follows:

Three field goals worth three points each is equal to nine points (3 x 3 = 9).
Two touchdowns were scored; each touchdown is worth six points. This equals twelve points (2 x 6 = 12).
Lastly, the team was awarded a bonus point for each touchdown they scored. They scored two touchdowns so they were awarded two extra points (2 x 1 = 2). 
Therefore, we have three subtotals: nine for the field goals; twelve for the touchdowns and two for the bonus points. The equation for this word sum is 9 + 12 + 2 = 23
3 0
4 years ago
Can someone solve this equation and show the work please 8.3(x+3.1)=83
sp2606 [1]
This is the answer of the equation

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3 years ago
Which of the following linear equations
suter [353]

Answer:

A and D

Step-by-step explanation:

the slope is the number in front of the x, as in the formula y = a*x + b

the linear equations that have a negative value for a have a negative slope

7 0
3 years ago
I need help with number 8.
olganol [36]

- 8/xy

Answer:

\frac{64xy}{ - 8 {x}^{2} {y}^{2}  }  \\ ✓determine \: the \: sign \\  -  \frac{64xy}{8 {x}^{2} {y}^{2}}  \\ ✓cross \: out \: the \: common \: factor \\  -  \frac{8xy}{{x}^{2} {y}^{2}}  \\ ✓cross \: out \: the \: common \: factor \:  \\  -  \frac{8y}{x {y}^{2} }  \\ ✓cross \: ut \: the \: cmmon \: factor \\  -  \frac{8}{xy}

6 0
3 years ago
All the edges of a regular square pyramid have length 8 . What is the:
user100 [1]

Answer:

vol=BX1/3 h

=64* 1/3 square root of 32

Step-by-step explanation:

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3 years ago
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