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damaskus [11]
2 years ago
10

Are heart rate and age proportional or non proportional for each method

Mathematics
1 answer:
sp2606 [1]2 years ago
5 0

Answer:

Yes

Step-by-step explanation:

For example

Doctors have two methods of calculating maximum heart rate. With the first method, maximum heart rate, y, in beats per minute is y=220−x, where x is the person’s age.

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Edward sliced 8 cakes. Each chocolate cake had 8 slices and each lemon cake had 4 slices. If Edward made 48 slices in total, how
iVinArrow [24]
Edward sliced 6 chocolate cakes and 12 lemon cakes
3 0
3 years ago
Which inequality is represented by the graph?<br><br> HELP WILL NAME BRAINLIST
siniylev [52]

Answer:

y>= 2/3(x) - 2.5

Step-by-step explanation:

The sign should be "greater than or equal to" but my keyboard doesn't have that. Sorry.

The slope is "up two, over three" found by finding places where the line passes through the grid lines, and counting.

The y-intercept is -2.5. That tells you the "constant" to put in for "b" in the slope intercept form, y=mx+b

7 0
3 years ago
The value of Desmond's home is modeled by the function V (x) = 275,000(1.09) ²/³x, where x is the number of years since 2012. By
Tasya [4]

Answer:

  • 6%

Step-by-step explanation:

<u>Given function</u>

  • V(x) = 275000(1.09)^(2/3x)

<u>Every year the value is changing at the rate:</u>

  • (1.09)^(2/3) = 1.059 ≈ 1.06

The rate of 1.06 is equivalent of 6% increase per year

4 0
2 years ago
Suppose b= 2a-16 and b= a+2. What is the value of a?
galina1969 [7]
Subsitute
2a-16=b=a+2
2a-16=a+2
subtract a from boths ides
a-16=2
add 16
a=18
5 0
3 years ago
Which statement is true about the parts of this expression? 5/6 + 1/4x - y The constant is 5/6. The only coefficient is 1/4. The
madreJ [45]
We have the following expression:
 5/6 + 1 / 4x - y
 Let's identify it step by step:
 Variables: x and y
 Coefficients: 1/4, -1
 constant: 5/6
 Thus,
 The constant is 5/6
 Answer:
 
The following statement is true about the parts of this expression:
 
The constant is 5/6
7 0
3 years ago
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