Which counterexample shows that the conjecture "all mammals live on land" is false?

Answers

Answer 1
Answer:

Answer:

B. A whale is a mammal that does not live on land.

Step-by-step explanation:

Self explanitory


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Write the perimeter of the floor plan shown as an algebraic expression in x.

Answers

Answer:

Perimeter = 2x + 64

Step-by-step explanation:

Perimeter = Sum of the lengths of the borders

From the given figure, we need to find the missing length.

Missing length = 18 - 10 = 8

Another missing length = (x + 14) - (x + 8) = x + 14 - x - 8

= 14 -8

= 6

Now let's add all the sides.

Perimeter = x + 14 + 8 + 6 + 10 + x + 8 + 18

Now add all the x terms and constants

Perimeter = 2x + 64

I believe the answer is --> p(perimeter) = 2x + 64 in the simplest algebraic expression.

4 ÷ 5 can be written as a fraction represented by which of the following?

Answers

is this a multiple choice question? Strange wording, but I believe the answer is (4)/(5)

7. You and 3 friends divide the proceeds of a garage sale equally. The garage sale earned $412. How much money did you receive?

Answers

The answer is 103. 412 divided by 4 is 103.

Final answer:

To find out how much money you received from the garage sale proceeds, you need to divide the total amount by the number of people sharing it. In this case, you and 3 friends are dividing $412 equally. So, you would divide $412 by 4 (3 friends + yourself). The money you received from the garage sale is $103.

Explanation:

To find out how much money you received from the garage sale proceeds, you need to divide the total amount by the number of people sharing it. In this case, you and 3 friends are dividing $412 equally. So, you would divide $412 by 4 (3 friends + yourself).

Step 1:

Divide $412 by 4 to find the equal share for each person.

Step 2:

Perform the division: $412 ÷ 4 = $103.

Step 3:

The money you received from the garage sale is $103.

Learn more about Garage sale proceeds here:

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Explain why 83×93 is not the prime factorization of 7,719í

Answers

83×93 is not the prime factorization of 7,719 because 93 is not a prime number:

93 = 3×31

Therefore the prime factorization of 7,719 is 83×3×31.

Answer:

Because it isn't a prime number

What is the taxidistance between (1,4) and (12,6)
13
15
21
23

Answers

(1, 4) and (12, 6)? 
= |12 – 1| + |6 – 4| 
= 11 + 2 
= 13

Estimate the unit rate 3 yards of fabric for $13.47

Answers

Unit rate is $13.47/3 = $4.49 per yard