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NISA [10]
3 years ago
8

Doctors sometimes use this formula to calculate how much medicine to give a child. A child who is 4 years old needs some medicin

e. The amount for an adult is 20 ml. Use the formula to work out the correct amount for this child.
Mathematics
1 answer:
AnnyKZ [126]3 years ago
5 0

Answer:

A basic formula, solving for x, guides us in the setting up of an equation: D/H x Q = x, or Desired dose (amount) = ordered Dose amount/amount on Hand x Quantity

Step-by-step explanation:

Medications are available in multiple concentrations, therefore orders written in "mL" rather than "mg" are not acceptable and require further clarification.

...

Example 2.

Step 1. Calculate the dose in mg: 18 kg × 100 mg/kg/day = 1800 mg/day

Step 2. Divide the dose by the frequency: 1800 mg/day ÷ 1 (daily) = 1800 mg/dose

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a square garden has a diagonal of 12 m. What is the perimeter of the garden? Express in simplest radical form
lianna [129]

Answer:

The perimeter of the garden, in meters, is 24\sqrt{2}

Step-by-step explanation:

Diagonal of a square:

The diagonal of a square is found applying the Pythagorean Theorem.

The diagonal of the square is the hypothenuse, while we have two sides.

Diagonal of 12m:

This means that d = 12, side s. So

s^2 + s^2 = 12^2

2s^2 = 144

s^2 = \frac{144}{2}

s^2 = 72

s = \sqrt{72}

Factoring 72:

Factoring 72 into prime factors, we have that:

72|2

36|2

18|2

9|3

3|3

1

So

72 = 2^{3}*3^{2}

So, in simplest radical form:

s = \sqrt{72} = \sqrt{2^{3}*3^{2}} = \sqrt{2^3}*\sqrt{3^2} = 2\sqrt{2}*3 = 6\sqrt{2}

Perimeter of the garden:

The perimeter of a square with side of s units is given by:

P = 4s

In this question, since s = 6\sqrt{2}

P = 4s = 4*6\sqrt{2} = 24\sqrt{2}

The perimeter of the garden, in meters, is 24\sqrt{2}

5 0
2 years ago
Andrea gets a monthly allowance. She first spends a fourth of her money on Target. Then, she spends $5 on food. She has $12 left
motikmotik

Answer:

68

Step-by-step explanation:

12 + 5 = 17

17 x 4 = 68

Andrea's monthly allowance is $68.

5 0
2 years ago
Read 2 more answers
A car is a vehicle with four wheels.
Alchen [17]
Answer:

If a vehicle does not have 4 wheels, it is not a car.

Dont forget to give brainliest and thanks
3 0
3 years ago
Soh - Cah - Toa (finding missing sides and angles):
algol [13]
Hey i don’t wanna do math right now but there’s a link that i could post in the comments if you want it
7 0
2 years ago
If the perimeter of an equilateral triangle is 36 inches what is the perimeter of it’s image under a dilation with a scale facto
alexdok [17]

Answer:

The perimeter of the image is 144 inches

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its perimeters is equal to the scale factor

so

The perimeter of the image is equal to the perimeter of the pre-image multiplied by the scale factor

36(4)=144\ inches

6 0
3 years ago
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