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Akimi4 [234]
3 years ago
5

Tyra has 1223 cups of sugar. If r is the amount of sugar called for in one batch of cookies,

Mathematics
1 answer:
miss Akunina [59]3 years ago
5 0

Answer:

1223 ÷ 23 = 53.1739130435

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Estimate the student's walking pace, in steps per minute, at 3:20 p.m. by averaging the slopes of two secant lines from part (a)
ehidna [41]

This question is incomplete, the complete question is;

A student bought a smart-watch that tracks the number of steps she walks throughout the day. The table shows the number of steps recorded (t) minutes after 3:00 pm on the first day she wore the watch.

t (min)       0          10          20         30         40

Steps   3,288    4,659    5,522    6,686    7,128

a) Find the slopes of the secant lines corresponding to the given intervals of t.

1) [ 0, 40 ]

11) [ 10, 20 ]

111) [ 20, 30 ]

b) Estimate the student's walking pace, in steps per minute, at 3:20 pm by averaging the slopes of two secant lines from part (a). (Round your answer to the nearest integer.)

Answer:

a)

1) for [ 0, 40 ], slope is 96

11) for [ 10, 20 ],  slope is 86.3

111) for  [ 20, 30 ], slope is 116.4

b) the student's walking pace is 101 per min

Step-by-step explanation:

Given the data in the question;

t (min)       0          10          20         30         40

Steps   3,288    4,659    5,522    6,686    7,128

SLOPE OF SECANT LINES

1) [ 0, 40 ]

slope =  ( 7,128 - 3,288 ) / ( 40 - 0

= 3840 / 40 = 96

Hence slope is 96

11)  [ 10, 20 ]

slope = ( 5,522 - 4,659 ) / ( 20 - 10 )

= 863 / 10 = 86.3

Hence slope is 86.3

111)  [ 20, 30 ]

slope = ( 6,686 - 5,522 ) / ( 30 - 20 )

= 1164 / 10 = 116.4

Hence slope is 116.4

b)

Estimate the student's walking pace, in steps per minute, at 3:20 pm by averaging the slopes of two secant lines from part .

Since this is recorded after 3:00 pm

{ 3:20 - 3:00 = 20 }

so t = 20 min

so by average;

we have ( [ 10, 20 ] + [ 20, 30 ] ) /2

⇒ ( 86.3 + 116.4 ) / 2

= 202.7 /2

= 101.35 ≈ 101

Therefore, the student's walking pace is 101 per minutes

3 0
3 years ago
Does anyone know how to retake a post test on Edmentum? please help
babymother [125]

Answer:

you dont

Step-by-step explanation:

the teacher gave you opinion based queistions where you had to gamble for the correct answers and got a 20% and now you must suffer thought the punishments

8 0
3 years ago
Read 2 more answers
17. Quinn bought 30 pens at $1.45 each. She gave the cashier $50. How much change did she get?
Wewaii [24]
She got back $6.50.

explanation -
30 x 1.45 = 43.5
50 - 43.5 = 6.50
5 0
2 years ago
Read 2 more answers
Simplify each polynomial. 6g+8k-9g+2k<br> -4x+6x²+5x<br> a²+5a-3a²<br> 3x²+8x+7x
notsponge [240]
1. 10k-3g
2. 6x squared +x
3. 5a-2a squared
4.3x squared+15x
6 0
3 years ago
HELP I NEED IT NOW
Assoli18 [71]

The volume of the cylinder is \pi r^2 h. The volume of a sphere is \frac 4 3 \pi r^3. In our problem r is the same for both the cylinder and the sphere.


\pi r^2 h -  \frac 4 3 \pi r^3 = \pi(2^2(3) - \frac 4 3  2^3) = \pi(12 - 32/3) = \frac 4 3 \pi  \approx 4.19 \textrm{ cubic inches}



Answer: 4.19 cubic inches



5 0
3 years ago
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