2 years ago

A number sentence is example of which multiplication property

Mathematics

1 answer:

nignag [31]2 years ago

6 0

The associtive property is the rule that refers to grouping.

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(b) Given that

Gnesinka [82]

Answer:n=-2 or n=4

Step-by-step explanation:

Q is not inversible if det(Q)=0

$\left|\begin{array}{ccc}6&7&-1\\3&n&5\\9&11&n\end{array}\right| =0\\\\\\\\6(n^2-55)-3(7n+11)+9(35+n)=0\\\\n^2-2n-8=0\\\\\Delta=36=6^2\\\\n=\dfrac{2-6}{2} =-2\ or\ n=\dfrac{2+6}{2}=4\\$

4 0

2 years ago

(3x2 + 2x + 7x3) + (10x2 + 6x + 9)

Vesnalui [34]

The answer to this question is letter B

7 0

2 years ago

Read 2 more answers

For Thanksgiving Break Nykouth and her family is going to visit relatives in Nebraska. Her dad has found a hotel room at the Hil

taurus [48]

Answer:

109n + 35

Step-by-step explanation:

I'm not sure what you are asking because you have no question in there

8 0

1 year ago

Plz help me with this

goldenfox [79]

Area of triangle=1/2(base×height)
360=1/2((4x-2)(7x+5))
720=(4x-2)(7x+5)
FOIL the binomial
720=28x^2+6x-10
Bring 720 to the other side
28x^2+6x-10-720=0
28x^2+6x-730=0
Factor 2 out
2(14x^2+3x-365)=0
Factor 2(14x+73)(x-5)=0
x-5=0
x=5
It can't be 14x-73=0 because the length can't be negative.
You're welcome.

5 0

2 years ago

The time it takes for a race car to finish a lap (to the nearest tenth of a second) is represented by the variable t. Which set

jeka94

Velocity=Distance/Time
Time(t)=Distance/Velocity
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3 0

2 years ago