Henry can build 2 birdhouses in 30 minutes. how many birdhouses can he build in 4 hours?

Answers

Answer 1

Answer: 2 birdhouses in 30 minutes = 4 birdhouses per hr.

for 4 hrs......4 x 4 = 16 birdhouses in 4 hrs

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A piano has white keys and black keys in the ratio of 13 : 9. If there are 52 white keys,how many black keys are there?

Answers

✡ Answer: 9/36 ✡

- - Why?

Because if you look at it like this:

$(13)/(52) = (9)/(36)$

- 52 being the white and 36 because the black.

✡Hope this helps✡

Let w = white and b = black.
Using the proportion,
13/w = 9/b
Since w = 52 white keys, therefore
13/52 = 9/b
b = 36 black keys

What is the prescribed dosage of a certain medicine for a child 6 years old, if the adult dosage of the medicine is 180 milligrams?C= a/((a+12)) ∙ 180
C = child’s dosage in milligrams
a = age of the child
A = adult dosage in milligrams

Answers

Answer:

60 milligrams is the right dosage for the child.

Step-by-step explanation:

The given expression is

$C=(a)/((a+12)) * 180$

Where $a=6$ , because according to the problem, the child is 6 years old.

Replacing and solving, we have

$C=(6)/((6+12) )* 180=(6)/(18 )* 180=60mg$

Therefore, if the adult dosage is 180 milligrams, and the child is 6 years old, the right dosage is 60 milligrams.

c+ childs dosage in miligrams

Temperature in ��c can be converted to k by a. multiplying by 273.15.
b. dividing by 273.15.
c. adding 273.15.
d. subtracting 273.15.

Answers

C = Celsius
K = Kelvin

Temperature in CELSIUS can be converted to KELVIN by adding 273.15

Explain why the initial value of any function of the form f(x) = a(bx) is equal to a.

Answers

When you substitute 0 for the exponent x, the expression simplifies to a times 1, which is just a. This is because any number to the 0 power equals 1. Since the initial value is the value of the function for an input of 0, the initial value for any function of this form will always be the value of a.

Answer:Sample Response: When you substitute 0 for the exponent x, the expression simplifies to a times 1, which is just a. This is because any number to the 0 power equals 1. Since the initial value is the value of the function for an input of 0, the initial value for any function of this form will always be the value of a.

Step-by-step explanation:

How do you compute two thirds of 6 ounces

what is two thirds of 6 ounces