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Ksivusya [100]
2 years ago
7

***Will give 15 points*** Help again please with probability? Thank you for any help given. I need help with questions 1,4,5 and

6 please?

Mathematics
2 answers:
Elina [12.6K]2 years ago
5 0
5) 5! = 5*4*3*2*1

6) use the 6 choose 2 combination formula: C(6,2) = 6!/(2!)(6-2)!
= 6!/(2!)(4!)<span />
lukranit [14]2 years ago
5 0
1. 8/18 × 8/18 = 16/81
2. 6/18 × 4/18 = 2/27
4. 21 - 10 = 11
( A - B where A is slack, B is sweater )

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I need help pleAse! This test is 75% of my grade
otez555 [7]
Slope formula:
M= y2-y1
———
X2-x1
7 0
3 years ago
Fill in the missing work and justification for step 2 when solving 3(x + 2) = 12.
Aleksandr-060686 [28]

Answer:

  • 3x + 6 = 12; Distributive Property

Step-by-step explanation:

  • 3(x + 2) = 12

<u>The next step is:</u>

  • 3*x + 3*2 = 12
  • 3x + 6 = 12

This is a distributive property

Correct choice is A

3 0
3 years ago
Help plslsllsl its due tmr
olga55 [171]
X=12.5
If the perimeter is 90
90=3x+3x+15
Combine like terms
90=6x+15
Subtracts 15 from both sides
75=6x
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12.5=x
Does this help?
6 0
3 years ago
In circle D with mZCDE = 112 and CD = 9 units, find the length of arc CE.
Lady bird [3.3K]

Answer:

CE= 17.59

Step-by-step explanation:

Arc Length=central angle/ 360 (circumference)

CE= 112/ 360 (2π9)

CE= 17.59

5 0
2 years ago
A rectangular poster is to contain 722 square inches of print. the margins at the top and bottom of the poster are to be 2 inche
Delvig [45]
Let
x ----------> the height of the whole poster
<span>y ----------> the </span>width<span> of the whole poster
</span>
We need to minimize the area A=x*y

we know that
(x-4)*(y-2)=722
(y-2)=722/(x-4)
(y)=[722/(x-4)]+2

so
A(x)=x*y--------->A(x)=x*{[722/(x-4)]+2}
Need to minimize this function over x > 4

find the derivative------> A1 (x)
A1(x)=2*[8x²-8x-1428]/[(x-4)²]

for A1(x)=0
8x²-8x-1428=0
using a graph tool
gives x=13.87 in

(y)=[722/(x-4)]+2

y=[2x+714]/[x-4]-----> y=[2*13.87+714]/[13.87-4]-----> y=75.15 in

the answer is
<span>the dimensions of the poster will be
</span>the height of the whole poster is 13.87 in
the width of the whole poster is 75.15 in

6 0
3 years ago
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