PLEASE HELP ME :) 20 points

Answers

Answer 1

Answer:

Answer:

its d thats the right anwsers

Step-by-step explanation:

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You roll a six-sided number cube. Which events are mutually exclusive? A) rolling a multiple of 2 and a multiple of 4
B) rolling a multiple of 3 and a multiple of 6
C) rolling an even number and an odd number
D) rolling a prime number and an even number

Answers

mutually exclusive is the events which couldn't happen at the same time, so I suggest you to go with this: C) rolling an even number and an odd number

Answer: C) rolling an even number and an odd number

Step-by-step explanation:

For any event A and B , we say they are mutually exclusive if they are disjoint such that there have no elements in common.

Let's check all the options:

A) rolling a multiple of 2 and a multiple of 4

Multiple of 2 on dice = 2,4,6

Multiple of 4 on dice = 4

They are not disjoint since 4 is the common element.

B) rolling a multiple of 3 and a multiple of 6

Multiple of 3 on dice = 3,6

Multiple of 6 on dice = 6

They are not disjoint since 6 is the common element.

C) rolling an even number and an odd number

Even number on dice = 2,4,6

Odd number on dice = 1,3,5

∴ They are disjoint event as they have no common element.

D) rolling a prime number and an even number.

Prime number on dice = 2,3,5

They are not disjoint since 2 is the common element.

The data in which table represents a linear function that has a slope of zero?

Answers

Answer:

the first option

Step-by-step explanation:

if you were to plot those points they make a straight horizontal line

Answer:

The first one.

Step-by-step explanation:

(x,y)

(-5,5)

(-4,5)

(-3,5)

(-2,5)

(-1,5)

y is the same for all the x's which will give you a horizontal line. Horizontal lines have a slope of 0.

Help me ‍♀️
Hehdhxjjbduc eirbdudbdu

Answers

Answer:

slope = 1

y - intercept = (0.-4)

Depth d (in feet) of a river can be modeled by the equation d=−0.25t2+1.7t+3.5, where 0≤t≤7 and t is the time (in hours) after a heavy rain begins. When is the river 6 feet deep?

Answers

Answer:

The river is 6 feet at two times, 2.15 hours after the rain and 4.65 hours after the rain.

Step-by-step explanation:

We are given the following in the question:

$d=-0.25t^2+1.7t+3.5$

$0\leq t\leq 7$

where, d is the depth of river in feet and t is time in hours after a heavy rain.

We have to find the number of hours for which the depth of river is 6 feet.

Putting d = 6 in the equation, we get,

$6=-0.25t^2+1.7t+3.5\n\Rightarrow +0.25t^2-1.7t+2.5 = 0\n\text{Using quadratic formula}\n\n\Rightarrow t = (1.7\pm √((-1.7)^2-4(0.25)(2.5)))/(2(0.25))\n\nt\approx 4.65, 2.15$

Thus, the river is 6 feet at two times, 2.115 hours after the rain and 4.65 hours after the rain.

The attached image shows the graph.

88% of 56.25 is what number?

Answers

Your answer is 88% of 56.25 is 49.5

Hope this helps.

My book said 88% of 56.25 is 49.5?

Find all the real square roots of 0.0064

Answers

√64 = 8

64÷1000 = 0.0064

8÷1000=0.0008

√0.0064 = 0.0008