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Dafna1 [17]
3 years ago
8

Mary and Jerry are exercising on a track. ?Mary is walking at the rate of 3 miles per hour. Jerry starts jogging at a rate of 4

miles per hour after Mary has been walking for 15 minutes. Jerry jogs 2 miles as Mary continues walking, and they both stop at the same time. Enter the total distance, in miles, that Mary walks around the track.
Mathematics
1 answer:
irakobra [83]3 years ago
6 0

Answer:

.75 + 1.5 = 2.25 mi or 2 1/4mi

Step-by-step explanation:

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Kim rode her biyciclye 135 miles in 9 weeks. Eric rode her biciclye 102 miles in 6 weeks riding the sam edistance each week what
sdas [7]

Answer:

A.) Eric rode 2 more miles per week than Kim rode

Step-by-step explanation:

A.) Eric rode 2 more miles per week than Kim rode

B.)Kim rode 3 more miles per week than Erick rode

C.) Kim rode 11 more miles per week than Erick rode

D.) Eric rode 17 more miles per week than Kim rode

Kim rode her biyciclye 135 miles in 9 weeks.

Number of miles Kim rode per week = Total miles travelled / number of weeks

= 135 miles / 9 weeks

= 15 miles per week

Eric rode her biciclye 102 miles in 6 weeks

Number of miles Eric rode per week = Total miles travelled / number of weeks

= 102 miles / 6 weeks

= 17 miles per week

The correct answer is

A.) Eric rode 2 more miles per week than Kim rode

3 0
3 years ago
How much money should a student place in a time deposit in a bank that pays 1.1% compounded annually so that he will have Php 20
STatiana [176]

Let us say that:<span>
   P = present value
   F = future value
    i = interest rate
   n = period

P = F / [ (1 + i ) ^n ]
P = 200000 / [ (1 + 0.011) ^6 ]
P = 187293.65

<span>Therefore the student must put up Php 187,293.65</span></span>

5 0
3 years ago
6 points and brainliest answer
Damm [24]
If m<2 is 18 then m<1 is 72

8 0
3 years ago
Read 2 more answers
A container contains 10 diesel engines. the company chooses 8 engines at​ random, and will not ship the container if any of the
lions [1.4K]

Answer:

16/25

Step-by-step explanation:

We just have to find the probability that the 8 non-defects are chosen.

1. Chance first defect is undetected: 8/10 = <em>4/5</em>

2. Chance second defect is undetected: <em>4/5</em>

3. Total probability': 4/5 * 4/5 = 16/25

7 0
3 years ago
The table shows the linear relationship between the average height in feet of trees on a tree farm and the number of years till
siniylev [52]

Step-by-step explanation:

the equation :

Hn = 7n + 3

where :

Hn : the height of trees at year to-n

n : year to-n (n = 1,2,3,...)

so, the rate of change : increasing 7 feet per year.

8 0
3 years ago
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