3 years ago

(Trigonometry) Fill in the blank. Question in the picture. Please help

2 answers:

8 0

4 feet? 20/5=4? Not too sure

5 0

I'm not sure. Still don't see the picture.

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masha68 [24]

Ok it would be

4x100=400

8 0

3 years ago

Lyrx [107]

Let f(x) represents the heart beat of the person.

Now, we have been given that person’s theoretical maximum heart rate is given by 220 - x.

Also, we have been given that person strive for a heart rate that is at least 50% of the maximum. At least means greater than equal to.

Thus, we have

$f(x)\geq (220-x)0.5\\
f(x)\geq 110-0.5x$

Also, we have been given that person strive for a heart rate that is at most 75% of the maximum. At most means less than equal to.

$f(x)\leq (220-x)0.75\\
\\
f(x)\leq 165-0.75x$

Therefore, the system of inequality is given by

$f(x)\geq 110-0.5x\\
f(x)\leq 165-0.75x$

6 0

3 years ago

Alja [10]

0.05 = 5% = 5/100

Simplify 5/100 and you get 1/20.

Hope this helps & good luck. :)

5 0

4 years ago

atroni [7]

170+8%= 183.6 inches
hope this helped

3 0

3 years ago

Kaylis [27]

Process: x^2 -12x +36 =0
(X-6) ^2 =0
X-6=0

Result: x=6

7 0

3 years ago