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gladu [14]
3 years ago
6

Which statement is true about the determinant of a matrix?

Mathematics
1 answer:
amid [387]3 years ago
3 0
<span> If two row interchanges are made in succession, then the new determinant equals the old determinant    

Hoped this helped!
Happy Studying!</span>
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The product of a number and -8 gives eight times the sum of that number and 36. Find that number
Viefleur [7K]

Answer:

-18

Step-by-step explanation:

Let x be our number. First we have to write our equation.

The product of a number and -8 is represented as -8x (-8 multiplied by x). Remember that 'product' signifies multiplication.

The result is eight times the sum of x and 36. This is represented as 8(x + 36). We add x and 36 first because 8 has been multiplied by the sum of those two numbers.

So our equation is:

-8x = 8(x + 36)

We can now solve for x. First, expand the bracket.

-8x = 8x + 288

Next, subtract 8x from both sides. This will give us only one term containing x, which will make it easier to solve.

-8x - 8x = 8x + 288 - 8x

-16x = 288

Divide both sides by -16

x = -18

3 0
3 years ago
The plane is vertical. What best describes the shape of the cross section
frutty [35]

Answer:

  • triangle

Step-by-step explanation:

Any cut plane parallel to the parallel faces will create a cross section congruent with the parallel faces. The faces are triangles, so the cross section is a triangle.

3 0
3 years ago
Need help,please and thank you
muminat

If the two angles form a linear pair, the sum of the angles is 180 degrees.

If the small angle is one-third of the other, then the total is 1+1/3=4/3 of the larger angle.

By proportion,

L+L/3=4L/3=180

L=180*3/4=135 degrees

Smaller angle = L/3=45 degrees

Check: L+L/3=135+45=180 degrees, ok

3 0
3 years ago
Last year, a janitorial supervisor had a gross income of $34,100, of which he contributed 8% to his 401(k) plan. If he got paid
rodikova [14]
There was a gross income of 34,100....8% goes to 401K plan..
8% of 34,100 = 0.08(34,100) = 2728

he gets paid bimonthly...so he gets paid twice a month...and being that there is 12 months in a year, he gets paid (12 * 2) = 24 times

2728/24 = 113.666 rounds to 113.67 each paycheck <==
4 0
4 years ago
Read 2 more answers
A puppy weighs 3 pounds what is the puppy's weight in ounces
Naily [24]

Answer:

48 onces

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
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