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3 years ago

What is the probability of the following, (for each answer, enter an exact number)

Mathematics

1 answer:

Shalnov [3]3 years ago

8 0

Answer:

Probability of certain event P(E) = 1

Step-by-step explanation:

An event or program A that is likely to occur has a probability of 1, which indicates that there will always be an event or a program.

Probability of certain event P(E) = 1

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At Katya's fruit stand, a basket of strawberries costs $4 and a basket of raspberries costs $9. In one morning, Katya sells 96 b

Cloud [144]

44 baskets of strawberries are sold

Solution:

Let "a" be the number of baskets of strawberries sold

Let "b" be the number of raspberries sold

Cost of 1 basket of strawberries = $ 4

Cost of 1 basket of raspberries = $ 9

96 baskets were sold. Therefore, we can say,

number of baskets of strawberries + number of raspberries sold = 96

a + b = 96

b = 96 - a ------------- eqn 1

In one morning, Katya sells 96 baskets for $644

Thus we frame a equation as:

$a \times 4 + b \times 9 = 644$

4a + 9b = 644 ----------- eqn 2

Let us solve eqn 1 and eqn 2

Substitute eqn 1 in eqn 2

4a + 9(96 - a) = 644

4a + 864 - 9a = 644

5a = 864 - 644

5a = 220

Divide both sides by 5

a = 44

Thus 44 baskets of strawberries are sold

6 0

3 years ago

Which set of numbers does NOT describe the side

lilavasa [31]

Answer:

d or b or something

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Erin was completing the square of the quadratic function in order to find the extreme value. What is the next step in the proces

Lady bird [3.3K]

Step-by-step explanation:

ax^2+bx+c=0

a=leading term

ok so if the leading term is positive then opens up and has a min

if leading term is negative then opens down and has a max

leading term is positive

1x^2+8x

it has a min

to complete the square, move c aside take 1/2 of b and square it

b=8

8/2=4

4^2=16

now add that to both sides

x^2+8x+16+6=0+16

factor perfect square

(x+4)^2+6=16

subtract 6

(x+4)^2=10

subtract 10

(x+4)^2-10=0

vertex aka min or max is (h,k) when ou have

y=a(x-h)+k

h=-4

k=-10

7 0

3 years ago

My friend sets out walking at a speed of 3 miles per hour. I set out behind her 5 minutes later at 4 miles per hour.

Masja [62]

It will take 45 minutes.

5 0

3 years ago

Why is isolating the y-variable to graph is important

dusya [7]

Answer:

It is the easiest way to graph an equation.

Step-by-step explanation:

Isolating the y variable is also slope-intercept form.

Slope intercept form is the easiest form to use when graphing.

y = mx + b

m is the slope, b is the y-intercept.

it makes it way easier to graph an equation when it is in slope intercept form.

I hope that helps! =)

6 0

3 years ago