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Jet001 [13]
4 years ago
5

When adding matrix A to the additive identity matrix, the result is ____________.

Mathematics
1 answer:
Hoochie [10]4 years ago
5 0

Adding anything to an additive identity results in the original thing. Here, ...

... [A] + [additive identity matrix] = [A] . . . . . . matrix A

The result is <u>matrix A</u>.

_____

The point of the additive identity is that it does not change anything when you add it.

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HELP ME!!! Answer in Scientific Notation and explain and show work.
umka21 [38]
Multiplying means you add the exponents and dividing means you subtract the exponents. Treat the decimals as you normally would.
(4.3 \times  {10}^{8} ) \times (2.0 \times  {10}^{6} )
4.3 \times 2.0 = 8.6
8 + 6 = 14
8.6 \times  {10}^{14}

(6 \times  {10}^{3} ) \times (1.5 \times  {10}^{ - 2} )
6 \times 1.5 = 9
3 +  - 2 = 1
9 \times  {10}^{1}


(1.5 \times  {10}^{ - 2} ) \times (8.0 \times  {10}^{ - 1} )
1.5 \times 8 = 12
- 2 +  - 1 =  - 3
12 \times  {10}^{ - 3}


\frac{(7.8 \times  {10}^{3}) }{(1.2 \times  {10}^{4}) }
\frac{7.8}{1.2}  = 6.5
3 - 4 =  - 1
6.5 \times  {10}^{ - 1}


\frac{(8.1 \times  {10}^{ - 2} )}{(9.0 \times  {10}^{2} )}
\frac{8.1}{9.0}  = 0.9
- 2 - 2 =  - 4
0.9 \times  {10}^{ - 4}


\frac{6.48 \times  {10}^{5} }{(2.4 \times  {10}^{4} )(1.8 \times  {10}^{ - 2}) }
2.4 \times 1.8 = 4.32
4 +  - 2 = 2
\frac{6.48 \times  {10}^{5} }{4.32 \times  {10}^{2} }
\frac{6.48}{4.32}  = 1.5
5 - 2 = 3
1.5 \times  {10}^{3}
7 0
3 years ago
I had trouble plotting the midpoint lol but can someone plz help me :c​
kodGreya [7K]

midpoint is (-1 and -1.5)

8 0
3 years ago
Read 2 more answers
1/10 of 500 is 10 times as much as _
Sliva [168]
1/10 of 500 is 50 so the answer is 5
4 0
3 years ago
Read 2 more answers
In 1 hr, a plane can travel 440 mi into the wind and 480 mi with the wind. Find the wind speed and the rate of the plane in stil
nexus9112 [7]

Answer:

the plane would fall and crash at 150mph

Step-by-step explanation:

8 0
3 years ago
Jefferson Middle School needs to see a 300% gain in PTO fundraiser
Ronch [10]

Given parameters:

Percentage gain = 300%

Selling cost last year = $2420

Unknown:

Selling cost this year  = ?

Solution:

To solve this problem;

     Profit percent  = \frac{Selling cost this year - Selling cost last year}{Selling cost last year} x 100

      300 = \frac{S - 2420}{2420}  x 100

      3 = \frac{S - 2420}{2420}

         S- 2420 = 7260

          S = $9680

To make a 300% gain, Jefferson Middle school needs a $9680 from fundraiser sales this year.

6 0
3 years ago
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