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vova2212 [387]
3 years ago
5

Im so lost and confused

Mathematics
2 answers:
Katen [24]3 years ago
7 0
Evaluating determinants. Attached solution.

soldier1979 [14.2K]3 years ago
6 0
2x2 matrix are as follows. -2*3= -6 - (5*4)
5*4=20 so problem is -6-20= -26
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Solve the inequality for x. –4x + 6 < 50 A) x > –11 B) x > –14 C) x < –11 D) x < –14
Natali [406]

Answer:

x > -11

Step-by-step explanation:

<u>Step 1:  Subtract 6 from both sides</u>

-4x + 6 - 6 < 50 - 6

-4x < 44

<u>Step 2:  Divide both sides by -4</u>

-4x / -4 < 44 / -4

If you divide by a negative number, you flip the sign.

<em>x > -11</em>

<em />

Answer:  x > -11

6 0
3 years ago
Y=-1/2x +7
yarga [219]

Answer:

B; (2,-4)

Step-by-step explanation:

The general equation of a straight line is;

y = mx + b

where m is the slope and b is the y-intercept

So from the question, when we look at the given equation, its slope is -1/2

mathematically, when two lines are perpendicular, the product of their slopes is -1

thus;

m1 * m2 = -1

m2 * -1/2 = -1

-m2 = -2

m2 = 2

The general equation form is;

y-y1 = m(x-x1)

where (x1,y1) = (4,0)

y-0 = 2(x-4)

y = 2x - 8

So, now we look at the point that will work for this equation

For the line that will work, if we substitute its x-value, we get the y-value

Let us take a look at option B

y = 2(2) -8 = 4-8 = -4

we can see that (2,-4) works

4 0
3 years ago
If you vertically compress the absolute value parent function ?? What is the equation of the new function
Bumek [7]

Answer: Choice A -- f(x) = (1/3)*|x|

============================================

The input of a function is x and the output is y = f(x)

To vertically compress a function, we will multiply the y value by some fraction smaller than 1. This is so that the y coordinates are a fraction of what they once were.

In this case, we multiply y by 1/3 so that something that has a y coordinate of y = 81 becomes y = 27 (divide by 3)

So we have y = f(x) become (1/3)*y = (1/3)*f(x) = (1/3)*|x|

4 0
3 years ago
The Butlers bought a $332,000 house. They made a down payment of 42,000 and took out a mortgage for the rest. Over the course of
Zarrin [17]

Answer:

Step-by-step explanation:

(a)Mortgage = 332000 - 42000 = 290000

15 * 12 = 180 months

Total monthly payments = 180 * 2447.19 =440494.2

Total = 440494.2 + 42000 = 482494.2

(b) Interest = 482494.2 -290000

                 = 192494.2

4 0
3 years ago
Read 2 more answers
9 is 9% of what number?
hjlf

Answer:

are you sure this is high school level stuff? its 9% of 100

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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