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3 years ago

Which of the following best represents the average rate at which infants grow in height during the first four years after birth?

Mathematics

2 answers:

Valentin [98]3 years ago

8 0

The answer would be three inches per year or B. Hope this helped :)

zalisa [80]3 years ago

4 0

Answer:

B. 3 inches per year.

Step-by-step explanation:

Generally, Humans grow at a slow rate until we get the our puberty. The growth rate also depends on nutrition and the genetic. Most of the surveys shows that infants grow in height during the first four years after birth is "3 inches per year."

Therefore, the answer is B. 3 inches per year.

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A rectangle has a perimeter of (20x+12y). If one side of the rectangle is (3x-4y), write the expression for the other side

Nady [450]

Answer:

(7x + 10y)

Step-by-step explanation:

To find this add (3x - 4y) to itself to calculate to lengths of the shorter sides.

(3x - 4y) + (3x - 4y) = 6x - 8y

Subtract this from (20x + 12y)

(20x + 12y) - (6x - 8y) = 14x + 20y Divide this by two to get the length of one side

14x + 20y / 2 = 7x + 10y

If this answer is correct, please make me Brainliest!

3 0

3 years ago

The sales tax on the model rocket shown is $1.92. What is the percent of sales tax? A drawing of a model rocket with a tag label

astraxan [27]

Answer:

The sales tax is 8%

Explanation:

We are given that:

The price of the rocket is $24 and the sales tax is $1.92

To get the percentage of the sales tax, all we have to do is divide the sales tax by the price of the rocket and then multiply the quotient by 100 (to convert the ratio to percentage)

This is done as follows:

% of sales tax = $\frac{tax}{price}*100$

% of sales tax = $\frac{1.92}{24}*100 = 8$ %

Hope this helps :)

4 0

3 years ago

Your teacher has asked you to explain the difference between quantitative and qualitative observations. Which statement is corre

Thepotemich [5.8K]

Answer:

Step-by-step explanation:

B is the answer and if the next has something to do with connie then your answer is C

8 0

3 years ago

Braceleftzf y = 8/7 x − 2/3 8/3 x + y = 5/9

givi [52]

Answer:

(x, y) = (77/240, -3/10)

Step-by-step explanation:

It is convenient to write the equations in standard form.

Multiplying the first equation by 21 gives ...

21y = 24x -14

Multiplying the second equation by 8 gives ...

24x +9y = 5

Then the system of equations in standard form is ...

24x -21y = 14
24x +9y = 5

Subtracting the first from the second, we get ...

(24x +9y) -(24x -21y) = (5) -(14)

30y = -9

y = -9/30 = -3/10

Substituting this into the second equation, we have ...

24x +9(-3/10) = 5

24x = 7.7 . . . . . . . add 27/10

x = 7.7/24 = 77/240

The solution is (x, y) = (77/240, -3/10).

7 0

3 years ago

4 + 8x = -12 what is X?

Elena L [17]

Answer:

x=-2

Step-by-step explanation:

4+8x=-12

-4 -4

8x = -16

/8 /8

x = -2

5 0

3 years ago

Read 2 more answers