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beks73 [17]
2 years ago
5

Distribute(x+4)(x-6)a) x^2-2x-24b) x^2-10x+24c) x^2+10x+24d) x^2-10x-24​

Mathematics
2 answers:
kogti [31]2 years ago
5 0
Choice a because 4 x -6 is -24
Also cuz -6x + 4x is -2x
Reptile [31]2 years ago
4 0

Answer:

A) x² - 2x - 24

Step-by-step explanation:

(x+4)(x-6)

x² - 6x + 4x - 24

x² - 2x - 24

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Find the distance between the two points . (5,-3) , (-4,7)
emmasim [6.3K]

Answer:

sqrt(181)

Step-by-step explanation:

sqrt (9^2 + 10^2)

7 0
3 years ago
Can someone please help me with#6-#8?I'm not sure how to find the answers and graph it in the graphs given.​
OLga [1]

Answers:

  • 6. Slope = -5/3; y intercept = 5
  • 7. Slope = -1; y intercept = 2
  • 8. Slope = 3; y intercept = 0

The graphs are below

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

Explanation:

6)

Let's solve for y to get the equation in slope intercept form y = mx+b

5x+3y = 15\\\\3y = -5x+15\\\\y = \frac{-5x+15}{3}\\\\y = \frac{-5x}{3}+\frac{15}{3}\\\\y = -\frac{5}{3}x+5\\\\

That last equation matches with y = mx+b to get

m = -5/3 = slope

b = 5 = y intercept

To graph this, we plot the y intercept at (0,5). Then move down 5 and to the right 3 to arrive at (3,0) as the second point. This movement is directly tied to the slope. We only need two points to graph a straight line.

---------------------------------

7)

The equation y = -x+2, aka y = -1x+2, is already in slope intercept form

m = -1 = slope

b = 2 = y intercept

Start at (0,2) which is the location of the y intercept. Move down 1 and to the right 1 due to the slope -1/1 = -1. This should move us to the point (1,1). Connect the two points (0,2) and (1,1) with a straight line to finish up the graph.

---------------------------------

8)

We start with the origin (0,0) because the y intercept of y = 3x is 0. It might help to think of y = 3x as y = 3x+0

Then we move up 3 units and to the right 1 unit to get to (1,3) as our next point. Connect the two points with a straight line

slope = 3

y intercept = 0

Once again, the graphs are shown below.

7 0
2 years ago
The two-way table shows the number of houses on the market in the Castillos’ price range. A 6-column table has 4 rows. The first
zmey [24]

Answer:

The probability is 0.8

Step-by-step explanation:

  • if u see the table clearly, there are 30 houses in total with 2 bathrooms.
  • by the general definition of probability,

probability of an event P =\frac{Number of desirable observations}{total number of observations}

  • so, here 30 will be the denominator in the above formula(by definition).
  • from the table, in the 3rd column and 2nd row (desirable box) i.e, the one which represents 2 bathrooms and 3 bedrooms, has the entry as 24.
  • so, the numerator for above given formula will now become 24.

therefore probability P=\frac{24}{30} =\frac{8}{10} =0.8

  • So, the probability is 0.8.
7 0
3 years ago
Read 2 more answers
A new freezer costs $500 plus $0.20 a day to operate. An old freezer costs $20 plus $0.50 a day to operate. After how many days
Aleks [24]
The answer is 1600 days!!!!
8 0
3 years ago
What is the binomial expansion of (2x – 3)^5?
Tanya [424]

Answer:

C

Step-by-step explanation:

(2x + 3)^5 = C(5,0)2x^5*3^0 +

C(5,1)2x^4*3^1 + C(5,2)2x^3*3^2 + C(5,3)2x^2*3^3 + C(5,4)2x^1*3^4 + C(5,5)2x^0*3^5

Recall that

C(n,r) = n! / (n-r)! r!

C(5,0) = 1

C(5,1) = 5

C(5,2) = 10

C(5,3) = 10

C(5,4) = 5

C(5,5) = 1

= 1(2x^5)1 + 5(2x^4)3 + 10(2x^3)3^2 + 10(2x^2)3^3 + 5(2x^1)3^4 + 1(2x^0)3^5

= 2x^5 + 15(2x^4) + 90(2x^3) + 270(2x^2) + 405(2x) +243

= 32x^5 + 15(16x^4) + 90(8x^3) + 270(4x^2) + 810x + 243

= 32x^5 + 240x^4 + 720x^3 + 1080x^2 + 810x + 243

7 0
3 years ago
Read 2 more answers
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