a horse's heart beats 440 times in 10 minutes. A cow's heart bears 390 times in 6 minutes. which animal has a greater heart rate?

Answers

Answer 1

Answer:

Answer:

The cow has a greater heart rate than the horse.

Step-by-step explanation:

The question demand we calculate the heart beat of each animal in relation to time . The number of heart beat per unit time can be computed as follows .

The horse heart rate is 440 heart beat in 10 minutes . The heart rate can be simplified as

Rate = 440/10

Rate = 44 heart beat per minute

The cow heart rate can be simplified as

Rate = 390/6

Rate = 65 heart beat per minute

From the Heart rate calculated above the cow has a higher heart rate than the horse.

Answer 2

Answer: 390 ÷ 6 = 65

440 ÷ 10 = 44

The cow has a greater heart rate.

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Which expression is equivalent to 5x + 4 - x - 2a. 4x + 2
b. 4 + 4x
c. 4x
d. 4x + 6

Answers

A: 4x+2 , this is the answer because 5x+4-x-2 = 4x+2 = bring all the way down,
+2 +2
7 * 0 = 0

= nothings left but
4x + 2

There are 80 new houses being built in a neighborhood. Last month, 2/5 of them were sold. This month, 3/4 of the remaining houses were sold. How many houses are left to be sold?

Answers

Answer: 12 houses are left to be sold.

Step-by-step explanation: The starting number is 80 units of houses. Last month, 2/5 of them were sold which means, houses sold last month were

Houses sold = 2/5 x 80

Houses sold = 32

If 32 houses were sold, then the houses left over were 80 - 32 which equals 48.

This month, 3/4 of the remaining houses were sold which means 3/4 of 48 houses.

Houses sold = 3/4 x 48

Houses sold = 36

If out of the remainder of 48 houses, 36 were sold, then houses left over would be

Left over = 48 - 36

Left over = 12.

Finally, there were 12 houses left to be sold

(1 pt) Which graphs show the solution to the given inequalities? Column A Column B 1. 2. 3. 4. A. Number line with positive and negative numbers. A ray starts at negative 12 with an open circle and extends to the right. B. Number line with positive and negative numbers. A ray starts at negative 12 with a solid circle and extends to the right. C. Number line with positive and negative numbers. A ray starts at negative 12 with a solid circle and extends to the left. D. Number line with positive and negative numbers. A ray starts at negative 12 with an open circle and extends to the left.

Answers

I don't know but its at the tip of my tounge

How are a common denominator and a common multiple alike and different?

Answers

The Common Denominator is the bottom part of a fraction which has been matched to 2 or more fractions. For example 1/2 + 1/4 is easier if you use 2/4 + 1/4 = 3/4. You can also use it for 3/5 + 1 2/3 Becomes 3/5 + 5/3 (Improper fraction) and you change that to 9/15 + 25/15 = 34/15 = 2 4/15

A common denominator and common multiple are alike because they both go on the bottom portion of the fraction and in order to get the common denominator you need to find the common multiple of numbers.

They are different because they have different purposes and the common denominator stays the same and the common multiple is supposed to change both or one number.

hope this helped

How do you identify the place of each dígito of 70,315

Answers

7=70,000
0=0,000
3=300
1=10
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What is 18x-9(x-1)=5(3x+3)

Answers

Answer:

-4

Step-by-step explanation:

18x - 9(x - 1) = 5(3x + 3)

Step 1: Distribute

18x - 9x - 9 = 15x + 15

Step 2: Combine like terms

9x - 9 = 15x + 15

Step 3: Solve by using opposites terms, try to get x on one side and the solution on the opposite side

9x - 9 = 15x + 15

-9x -9x

-9 = 6x + 15

-15 -15

-24 = 6x

/6 /6

-4 = x

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