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Wewaii [24]
3 years ago
6

What property is similar to scalar multiplication?

Mathematics
2 answers:
JulsSmile [24]3 years ago
4 0

Answer:

<em><u>Multiplicative identity property:</u></em> 1 A = A 1A=A 1A=A

This property says that when you multiply any matrix A by the scalar 1, the result is simply the original matrix A.

swat323 years ago
4 0

ANSWER:

The commutative property over multiplication is only possible over scalar multiplication and not problems in which two matrices are multiplied together.

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The profit function for a new product is given by p(x) = -4x^2+28x-40, where x is the number sold in thousands. How many items m
Ivenika [448]
The break even point is when profit is equal to zero, or in this case when p(x)=0

4x^2-28x+40=0

4(x^2-7x+10)=0

4(x^2-2x-5x+10)=0

4(x(x-2)-5(x-2))=0

4(x-5)(x-2)=0

So the break even points are when x=2 and 5, which is when 2000 and 5000 units are sold.
3 0
2 years ago
Please answer this (:
svetlana [45]
Since we know that there is a 1 in 12 chance that the spinners will land on "4" and "C" and we know the total amount of spins is 240, we can find one twelfth of 240. To do so, you multiply 240 by 1/12 which is the same as 240/12. This can be simplified to 20 through division. Therefore, the answer is 20 times.

I hope this helps.<span />
7 0
3 years ago
Based on the figure, which pair of triangles is congruent by the Side Angle Side Postulate?
Lapatulllka [165]

Answer: Triangle ABC and Triangle ECD


Step-by-step explanation:

In Triangle ABC and Triangle ECD

BD=CD and AD=ED [given in the figure]

∠BDA=∠EDC  [Vertically opposite angles are equal]

⇒ΔABC ≅ ΔECD [By SAS postulate]

SAS postulate or Side Angle Side postulate tells that if two sides and their included angle of one triangle are congruent to two sides and the included angle of another triangle, then the two triangles are congruent.

5 0
3 years ago
Read 2 more answers
1.5 g = __?__ kg<br><br> 3 1-4 qt =__?__ pt<br><br> Help Is Appreciated!!!
zysi [14]
The first one is 0.0015
6 0
3 years ago
I need help on this ASAP!!
vazorg [7]
The answer is 16 units
An easy way to find the perimeter is remembering the formula of a+b+c.
So in this case, you count how many units each line of the triangle it covers. 4+6+6= 16
7 0
3 years ago
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