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Sedaia [141]
3 years ago
6

If I roll a fair die once, the probability that I will roll a 3 or a 5 is _________.

Mathematics
1 answer:
alexandr1967 [171]3 years ago
8 0

Answer:

2/6 or 1/3

Step-by-step explanation:

join zoom: 982 6380 2701 and 9H92fF

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lisov135 [29]

Domain:\\4-x\neq0\ \wedge\ 4+x\neq0\\x\neq4\ \wedge\ x\neq-4\\\\\dfrac{4}{4-x}=\dfrac{5}{4+x}\qquad\text{cross multiply}\\\\4(4+x)=5(4-x)\qquad\text{use distributive property}\\\\(4)(4)+(4)(x)=(5)(4)+(5)(-x)\\\\16+4x=20-5x\qquad\text{subtract 16 from both sides}\\\\4x=4-5x\qquad\text{add 5x to both sides}\\\\9x=4\qquad\text{divide both sides by 9}\\\\\boxed{x=\dfrac{4}{9}}

6 0
3 years ago
The perimeter of a rectangle is found by using the formula P = 2l + 2w, where P is the perimeter, l is the length and w is the w
velikii [3]

Answer:

#1: 11 cm

#2: 16.5 in

#3: 2.5 feet

Step-by-step explanation:

#1

P=2l+2w Solve for width by substracting 2l on both sides to isolate 2w

P-2l=2w

or

2w=P-2l

Replace.

2w=26-2(2)\\2w=26-4\\2w=22\\w=\frac{22}{2}\\ w=11cm

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

#2

P=2l+2w

P=2(3.5)+2(4.75)\\P =7+9.5\\P=16.5in

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

#3

P=2l+2w

Solve for l

2l=P-2w\\2l=7-2(1)\\2l=7-2\\2l=5\\l=\frac{5}{2}\\ l=2.5feet

5 0
3 years ago
A rectangle has a perimeter of 52 cm and an area of 144 square cm. Find its length and width if they are in whole numbers.
Bingel [31]
8 and 18:
8+8+18+18= 52
8*18 = 144

Tada!
6 0
3 years ago
How do you write an exact angle measure without approximating to a decimal value?
dimulka [17.4K]

an exact angle measure without approximating to a decimal value is given below.

Step-by-step explanation:

Since an angle of 2 has degree measure 360° it follows that an angle of 1 radian has degree measure (180/ )°. Likewise, an angle of size 1° has radian measure /180. We now can easily obtain a formula to convert from degrees to radians and vice-versa. To convert from degrees to radians, multiply the angle by /180.

convert decimal degrees to DMS :

  • For the degrees use the whole number part of the decimal.
  • For the minutes multiply the remaining decimal by 60. Use the whole number part of the answer as minutes.
  • For the seconds multiply the new remaining decimal by 60.
4 0
3 years ago
Rob owes Debra $36 and pays her 1/3 of what he owes. How much does he now owe?
wolverine [178]

Answer:

24

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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