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3 years ago

How many more people like to swim than hike? Show how you added or subtracted to find the answer

Mathematics

1 answer:

Nadya [2.5K]3 years ago

6 0

2 more people like to swim than hike because 4 (the people who swim) minus 2 (the people who hike) is 2 people

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Factor completely. x^4 - 9.

tester [92]

Answer:

$(x^2+3)(x^2-3)$

Step-by-step explanation:

Since both are perfect squares use the difference of squares formula $a^2-b^2=(a+b)(a-b)$ with a = $x^{2}$ and b = 3

= $(x^2 +3)(x^2-3)$

7 0

4 years ago

A die is rolled. Find the probability of the given event.

ozzi

Answer:

(a) 0.1666 (b) 0.5 (c) 0.166

Step-by-step explanation:

A die is rolled so sample space = { 1,2,3,4,5,6 } so n=6

(a) the number showing is four so expected value is only 4 so favorable outcomes {4}

so probability $P=\frac{1}{6}=0.1666$

(b) the number showing an even number

so favorable outcomes= { 2,4 ,6 }

so probability $P=\frac{3}{6}=0.5$

so probability $P=\frac{1}{6}=0.1666$

4 0

4 years ago

This is the floorplan for an irregular-shaped bedroom. You will need to find the perimeter of the room so that you can install c

aksik [14]

Step-by-step explanation:

Below are attachments containing the question and solution.

8 0

3 years ago

Gina and Lucy go to the library at 3:30 p.m. They need to be at home at 4:45 p.m. It takes them 15 minutes to walk to the librar

MrRa [10]

4:45 -3:30 -2*(0:15) = 0:45

Gina and Lucy can spend 45 minutes at the library.

_____
They will get to the library at 3:45. They must start home by 4:30. From 3:45 to 4:00 is 15 minutes, and it is 30 more minutes to 4:30. The time they can spend at the library totals 45 minutes.

7 0

3 years ago

Is this correct? Yes or no, and explain your answer.

Ilya [14]

Answer:

I think the answer you have is correct

Step-by-step explanation:

8 0

3 years ago