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SIZIF [17.4K]
3 years ago
13

I am stuck on this please help!

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
7 0

Answer:

<h2>20 {x}^{3}  - 36 {x}^{2}  + 7x +  3</h2>

Solution,

(5x + 1)(2x - 1)(2x - 3)

= 5x(2x - 1) + 1(2x - 1) \times (2x - 3)   \\  = (10 {x}^{2}  - 5x + 2x - 1)(2x - 3) \\  = (10 {x}^{2}  - 3x - 1)(2 x - 3) \\  = 10 {x}^{2} (2x - 3) - 3x(2 x - 3) - 1(2x - 3) \\  = 20 {x}^{3}  - 30 {x}^{2}  - 6 {x }^{2}  + 9x - 2x + 3 \\  = 20 {x}^{3}  - 36 {x}^{2}  + 7x + 3

Hope this helps..

Good luck on your assignment...

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The volume of a box(V) varies directly with its length(l). If one of the boxes has a volume of 288 cubic inches and a length of
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Answer:

24

Step-by-step explanation:

Varies directly means that something constant times l equals V or V=kl where k is that constant.  

Plug in point given 288=k(12) and solve the constant of proportionality by dividing both sides by 12.

k=288/12=24

8 0
3 years ago
Mr. Donegan makes 95 copies of a "spooky math practice worksheet. In class, he realizes he needs 3 more copies. Mr. Neddick make
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Answer:

5

Step-by-step explanation:

95+8=103

95+3=98

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7 0
3 years ago
How do you multiply 23.50*23.74
Mamont248 [21]

Answer:

557.89

Step-by-step explanation:

Download photomath on Appstore it'll help you explain. but basically you multiply each digit at the bottom to the whole number on the top

    23.50

<u>x   </u><u>23.74</u>

       940     ====== 23.50 multiply to 4

    16450     ====== 23.50 multiply to 7

    70500    ====== 23.50 multiply to 3

<u>+   470000   </u> ====== 23.50 multiply to 2

   557.890    ====== Add all the numbers together, move the decimal sign down to align with the result

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4 years ago
A=c+(-10) Solve for c in terms of other variables.
True [87]
To do this we need to move 10 to other side.  To accomplish this you just need to add 10 to both side since (-10) 

so 
A+ 10 = c -10 + 10 
we get
A+ 10 = c

lets say it wasn't -10 but positive 10. 

A = c + 10  then we would subtract 10 from both sides

A -10 = c + 10 - 10 
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5 0
4 years ago
Maurice has a paper bag with three hard candies: two blueberries and one green apple. Yvonne and Kate ask if they can each have
Marina CMI [18]

Answer:

The chances of Yvonne to get a blue berry candy in the two cases are 1 and 1/2 in case 1 and 2/3 in the case 2.

Step-by-step explanation:

Maurice has a paper bag  with three hard candies

2 blueberries and 1 green apple

Yvonne and Kate want 1 candy each

It is not mentioned that ether Kate has taken a candy already before Yvonne or not so we will consider both the cases

Case 1

If Kate has picked a candy before Yvonne

  • If Kate gets an Apple green candy then the probability or Yvonne to get a Blueberry  will be = 2/2 = 1 ( as there will 2 blueberry candy left in the bag)
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Case 2

If Kate has not taken any candy from the bag before Yvonne

Probability that Yvonne will get a blueberry candy will be = 2/3

Therefore the chances of Yvonne to get a blue berry candy in the two cases are 1 and 1/2 in case 1 and 2/3 in the case 2.

7 0
3 years ago
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