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4 years ago

A shelf has 20 bags of potatoes. Two of the bags have potatoes starting to go bad.

Mathematics

2 answers:

Tanzania [10]4 years ago

8 0

0.1 would be the answer since 2 would be 10 percent of 20

Setler [38]4 years ago

3 0

Answer:

0.9

Step-by-step explanation:

Question: A shelf has 20 bags of potatoes. Two of the bags have potatoes starting to go bad.

The probability of drawing a bag with bad potatoes is less than 1.

TRUE (verified)

The probability of drawing a bag with good potatoes is greater than 0.

TRUE (verified)

What is the probability of drawing a bag with bad potatoes?

0.1 (verified)

What is the expected probability of the complement of the event?

0.9 (verified)

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A hyperbola centered at the origin has verticies at (add or subtract square root of 61,0 and foci at (add or subtract square roo

deff fn [24]

Answer:

$\frac{x^2}{61}-\frac{y^2}{37} =1$

Step-by-step explanation:

The standard equation of a hyperbola is given by:

$\frac{(x-h)^2}{a^2} -\frac{(y-k)^2}{b^2} =1$

where (h, k) is the center, the vertex is at (h ± a, k), the foci is at (h ± c, k) and c² = a² + b²

Since the hyperbola is centered at the origin, hence (h, k) = (0, 0)

The vertices is (h ± a, k) = (±√61, 0). Therefore a = √61

The foci is (h ± c, k) = (±√98, 0). Therefore c = √98

Hence:

c² = a² + b²

(√98)² = (√61)² + b²

98 = 61 + b²

b² = 37

b = √37

Hence the equation of the hyperbola is:

$\frac{x^2}{61}-\frac{y^2}{37} =1$

6 0

3 years ago

The first element in an arithmetic sequence is 2. Its twenty second is 14. Find the value of n so that a(n)=6

Aleks04 [339]

Answer:

Step-by-step explanation:

Given the nth term of an arithmetic sequence to be Tn = a+(n-1)d

a = first term of the sequence

n = number of terms

d = common difference.

Given the first element a = 2 and 22nd to be 14

T22 = a+(22-1)d = 14

a+21d = 14

Substtuting a = 2 into the equation to get d

2+21d = 14

21d = 12

d = 12/21

d = 4/7

The nth term of the sequence given a = 2 and d = 4/7 will be expressed as;

Tn = 2+(n-1)4/7

Given Tn = 6

6 = 2+(n-1)4/7

6 = 2+4/7 n - 4/7

6-2+4/7 = 4/7 n

32/7=4/7 n

32 = 4n

n = 32/4

n = 8

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3 years ago

the graph of the function y=x^(2) is reflected across the x-axis, then translated two units left and six units down, write and e

dem82 [27]

Answer: -4,-2

Step-by-step explanation: Since it is reflected across the x- axis, translated two units left and six units down it would be -4, -2 because 2-6= -4

8 0

3 years ago

Jane is saving to buy a cell phone. She is given a $100 gift to start and saves $35 a month from her allowance. So after 1 month

Slav-nsk [51]

Yes, it makes sense to represent the relationship between the amount saved and the number of months with one constant rate. The relationship is 35x+ 100.

<h3>Relationship between the amount saved and the number of months</h3>

After 1 month, Jane will saved=$35+$100

After 1 month, Jane has saved=$135

Hence,

Let x represent the number of months

Since every month she saved $35 which inturn means that in x number of months she can save 35x. Based on this the relationship between the amount saved and the number of months is 35x +100.

Therefore it makes sense to represent the relationship between the amount saved and the number of months with one constant rate. The relationship is 35x+ 100.

Learn more about Relationship between the amount saved and the number of months here:brainly.com/question/13199011

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4 0

2 years ago

When Pheobe asked her friends about their Thanksgiving, 35% of her 60 friends said they had pumpkin pie for dessert. How many fr

nataly862011 [7]

Answer:

Step-by-step explanation:

I dunno, I used a calculator B)

4 0

3 years ago

Read 2 more answers