This work is faster rate than grading 36 assignments in 30 minutes because :

25 ÷ 20 = 1.25
1.25 hw assignment per minute

36 ÷ 30 = 1.2
1.2 hw assignments per minute

3 0

2 years ago

When exercising, the maximum heart rate (r ) in beats per minute is modeled by the equation shown in the box, where (a ) represe

worty [1.4K]

Answer:

186 beats per minute

Step-by-step explanation:

The maximum heart rate (r ) in beats per minute is modeled by the equation :

r = 220 - a ...(1)

Where

a is age of the person in years

If Sanchez age is, a = 34 years

Put a = 34 in equation (1)

r = 220 - 34

= 186 beats per minute

Hence, the maximum heart rate is 186 beats per minute.

7 0

2 years ago

Landon and Keira are preparing refreshments for a party. To make fruit punch, they will mix 2 gallons of grape juice with 1 cup

VikaD [51]

2 gallons is equal to 256 oz and a cup is equal to 8 oz so your total is 270 fl oz.

8 0

3 years ago

What is 449/60 as a mixed number

Ilia_Sergeevich [38]

$\dfrac{449}{60}=\dfrac{300+120+29}{60}=\dfrac{300}{60}+\dfrac{120}{60}+\dfrac{29}{60}\\\\=5+2+\dfrac{29}{60}=\boxed{7\dfrac{29}{60}}$

6 0

3 years ago