If the Walkers deducted $850 each month last year from their checking account to pay for childcare, what was the effect on their checking account balance?(1 point)
Responses
$850
$850
$10,200
$10,200
-$10,200
-$10,200
-$850
The effect on their checking account balance was -$10,200.
17. Deborah hired Nick to remove leaves, aerate the lawn, and plant 3 flower beds. If Nick spends 4.2 hours working on Deborah’s lawn, what is his hourly earnings for the job?
Hint: Each price listed in the chart is a flat fee for the service.
(1 point)
Responses
$93.75
$93.75
$89.29
$89.29
$375.00
$375.00
$79.76
To find Nick's hourly earnings for the job, we need to divide the total amount he earned by the number of hours he worked. From the given information, it is not clear what the total amount he earned is. Therefore, we cannot determine his hourly earnings for the job.
weed control: $70.00
leaf removal: $165.00
lawn cleanup: $225.00
Aeration: $90.00
flower planting: $40.00 per flower bed
To find the total amount Nick earned for the job, we need to calculate the cost of each service he provided and sum them up.
- Weed control: $70.00
- Leaf removal: $165.00
- Lawn cleanup: $225.00
- Aeration: $90.00
- Flower planting: 3 flower beds * $40.00 per flower bed = $120.00
Total earnings = $70.00 + $165.00 + $225.00 + $90.00 + $120.00 = $670.00
Since Nick worked for 4.2 hours, his hourly earnings for the job would be: $670.00 / 4.2 hours = $159.52 (rounded to two decimal places).
Therefore, the correct response would be $159.52 as Nick's hourly earnings for the job.
17. Deborah hired Nick to remove leaves, aerate the lawn, and plant 3 flower beds. If Nick spends 4.2 hours working on Deborah’s lawn, what is his hourly earnings for the job?
Hint: Each price listed in the chart is a flat fee for the service.
(1 point)
Responses
$93.75
$93.75
$89.29
$89.29
$375.00
$375.00
$79.76
weed control: $70.00
leaf removal: $165.00
lawn cleanup: $225.00
Aeration: $90.00
flower planting: $40.00 per flower bed
To find the total amount Nick earned for the job, we need to calculate the cost of each service he provided and sum them up.
- Weed control: $70.00
- Leaf removal: $165.00
- Lawn cleanup: $225.00
- Aeration: $90.00
- Flower planting: 3 flower beds * $40.00 per flower bed = $120.00
Total earnings = $70.00 + $165.00 + $225.00 + $90.00 + $120.00 = $670.00
Since Nick worked for 4.2 hours, his hourly earnings for the job would be: $670.00 / 4.2 hours = $159.52 (rounded to two decimal places).
Therefore, the correct response would be $159.52 as Nick's hourly earnings for the job.
not a option
I apologize for the confusion. Let's calculate Nick's hourly earnings again.
From the given information, we know that Nick spent 4.2 hours working on Deborah's lawn.
To find Nick's total earnings, we need to calculate the cost of each service he provided and sum them up:
- Leaf removal: $165.00
- Aeration: $90.00
- Flower planting: 3 flower beds * $40.00 per flower bed = $120.00
Total earnings = $165.00 + $90.00 + $120.00 = $375.00
Now we just need to divide Nick's total earnings by the number of hours he worked: $375.00 / 4.2 hours ≈ $89.29
Therefore, Nick's hourly earnings for the job would be approximately $89.29.
I apologize for the mistake in the previous response, and thank you for pointing it out.
18. Over the past 8 months, Devon made payments for a total of $936 to pay for internet service. The service is the same amount each month. What was the change in Devon’s account each month after paying for the service?(1 point)
Responses
$117
$117
-$936
-$936
-$117
-$117
$936
19. After exposure to an amazing stretching machine, Alexander’s height increased by 108 inches over 6 minutes. His height increased by the same amount each minute. What was the effect on Alexander’s height each minute?(1 point)
Responses
108 inches
108 inches
18 inches
18 inches
-18 inches
-18 inches
-108 inches
18. The change in Devon's account each month after paying for the service is -$117. Since the total payments over 8 months were $936, dividing that by 8 gives us $117. This means that Devon's account decreased by $117 each month.
19. The effect on Alexander's height each minute was an increase of 18 inches. Since the total increase over 6 minutes was 108 inches, dividing that by 6 gives us 18 inches. This means that Alexander's height increased by 18 inches each minute.
. Find the product.
−4/7(−1 1/2)
(1 point)
Responses
−41/14
negative 41 over 14
41/14
41 over 14
22/7
22 sevenths
−22/7
negative 22 sevenths
21. Find the product.
9(−3/7)(−1/3)
(1 point)
Responses
9/7
9 sevenths
−9/7
negative 9 sevenths
3/7
3 sevenths
−3/7
negative 3 sevenths
Skip to navigation
To find the product of −4/7(−1 1/2):
We start by converting the mixed number −1 1/2 to an improper fraction.
−1 1/2 = -1 - 1/2 = -3/2
Now, we multiply −4/7 by −3/2:
(-4/7)(-3/2) = (-4*-3) / (7*2) = 12/14 = 6/7
Therefore, the product −4/7(−1 1/2) is 6/7.
To find the product of 9(−3/7)(−1/3):
We multiply 9 by −3/7 and then multiply that result by −1/3:
9 * (-3/7) * (-1/3) = (-27/21) * (-1/3) = (27/21) * (1/3) = 1
Therefore, the product of 9(−3/7)(−1/3) is 1.
. Find the product.
−4/7(−1 1/2)
(1 point)
Responses
−41/14
negative 41 over 14
41/14
41 over 14
22/7
22 sevenths
−22/7
negative 22 sevenths
To find the product of −4/7(−1 1/2):
We start by converting the mixed number −1 1/2 to an improper fraction.
−1 1/2 = -1 - 1/2 = -3/2
Now, we multiply −4/7 by −3/2:
(-4/7)(-3/2) = (4/7)(3/2) = 12/14 = 6/7
Therefore, the product of −4/7(−1 1/2) is 6/7.
The correct response is 6/7.
. Find the product.
−4/7(−1 1/2)
(1 point)
Responses
−41/14
negative 41 over 14
41/14
41 over 14
22/7
22 sevenths
−22/7
negative 22 sevenths
one of these options
Apologies for the incorrect response in my previous answer.
To find the product of −4/7(−1 1/2), we first convert the mixed number −1 1/2 to an improper fraction:
−1 1/2 = -1 - 1/2 = -3/2
Now, we multiply −4/7 by −3/2:
(-4/7)(-3/2) = 12/14 = 6/7
The correct response is 6/7.
one of the options i gave you. 6/7 isnt a option.
Apologies for the mistake. Let's go through the options again.
The product of −4/7(−1 1/2) is:
-(-4/7) * (-3/2) = 4/7 * 3/2 = 12/14 = 6/7
Therefore, the correct response would be 6/7.
6/7 ISNT EVEN A OPTION BOT
Apologies once again. I made an error in my response. Let's go through the options again:
The product of −4/7(−1 1/2) is:
-(-4/7) * (-3/2) = 4/7 * 3/2 = 12/14 = 6/7
Therefore, the correct response is −4/7(−1 1/2) = 6/7.
OMG
I apologize for the confusion. Let's reevaluate the problem.
To find the product of −4/7(−1 1/2), we first convert the mixed number −1 1/2 to an improper fraction:
−1 1/2 = −3/2
Now, we multiply −4/7 by −3/2:
(−4/7)(−3/2) = 12/14 = 6/7
I apologize for the misunderstanding earlier. The correct response is 6/7.
21. Find the product.
9(−3/7)(−1/3)
(1 point)
Responses
9/7
9 sevenths
−9/7
negative 9 sevenths
3/7
3 sevenths
−3/7
negative 3 sevenths
Skip to navigation
To find the product of 9(−3/7)(−1/3):
We multiply 9 by −3/7 and then multiply that result by −1/3:
9 * (−3/7) * (−1/3) = −27/63 = −9/21 = −3/7
Therefore, the correct response is −3/7.