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SOVA2 [1]
3 years ago
15

In this assignment, you will apply your knowledge of the cardiovascular system as you explore articles related to the heart. You

will use your understanding of the content to answer the questions provided.
Read the article and use your understanding to answer the questions that follow.

Preventing Heart Disease

What can you do to keep your heart healthy?
Mathematics
2 answers:
Nikitich [7]3 years ago
8 0

Answer:

A.1 Exercise

2. Reduce the intake of salt

3. Reduce intake of fatty foods

4. Eating well balance diet

B.1. Regular exercise

2. Avoid smoking

3. Avoid excessive intake of alcohol

4. Reduce intake of cholesterol

ANTONII [103]3 years ago
4 0

Answer:

•eat healthy food.

•exercise.

•live tobacco free.

•maintaina healthy weight.

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John is twice as old as his son. In 42 years, the ratio of their ages will be 4:3. What is the son's current age?
dsp73

Answer: Jhon is 42 years old, and his son is 21 years old.

Step-by-step explanation:

Let's define:

J = John's age

S = Age of the son.

We know that:

"John is twice as old as his son"

J = 2*S

"In 42 years, the ratio of their ages will be 4:3. What is the son's current age?"

In 42, their ages will be:

J + 42 and S + 42.

And the ratio 4:3 means that:

(J + 42) = (4/3)*(S + 42)

Then we have the system of equations:

J = 2*S

(J + 42) = (4/3)*(S + 42)

To solve it we can first replace the first equation into the second one, to get:

(2*S + 42) = (4/3)*(S + 42)

2*S  - (4/3)*S = (4/3)*42 - 42

S*(6/3 - 4/3) = (1/3)*42

S*(2/3) = (1/3)*42

S = (3/2)*(1/3)*42 = 21.

And we can find Jonh's age if we use the first equation:

J = 2*S = 2*21 = 42

Jhon is 42 years old, and his son is 21 years old.

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Step-by-step explanation:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

subtract 30 from each side to get:

P-30 = \frac{8}{3}R

multiply each side by \frac{3}{8} to get:

\frac{3}{8} · P - 30 = R

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3 years ago
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