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bagirrra123
5 days ago
7

You are a school photographer taking individual and class pictures for 2 classes of 21 students each. On average, each individua

l picture takes 3 minutes and a class picture takes 10 minutes. About how long should it take you to take all of the pictures?
Mathematics
2 answers:
babunello [11.8K]5 days ago
3 0

Answer:

Taking all the pictures will require 143 minutes

tester [12.3K]5 days ago
3 0
A total of 146 minutes. One student's picture takes 3 minutes. Therefore, 42 x 3 = 126. The class picture takes 10 x 2 = 20. Adding these together gives you a total of 146.
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Ms. Gallegos burns 236 calories riding her bike each hour. She wants to burn more than 590 calories riding her bike at the same
Svet_ta [12734]

Response:

354

Detailed explanation:

5 0
1 month ago
Marco wants to buy a new smartphone that costs $495, with some additional accessories. He has already saved $75. Write and solve
tester [12383]
Marco requires $420 to purchase a new smartphone along with accessories. The equation 75-495=420 demonstrates this while adding $75 to $420 yields a total of $495.
4 0
19 days ago
A health department spokesman speaking on a local radio station has advocated that parents download a particular app on their ph
AnnZ [12381]

Response:

Option E is the right choice.

A connection seems evident between the app and the reduction of daycare-related illnesses.

Step-by-step breakdown:

Research involved 1200 randomly chosen parents, revealing that the kids of parents who utilized the app had an average of 10 fewer cases of daycare illnesses compared to those whose parents didn’t download it during the study duration.

Reviewing the options individually

a. Since using the app appears to lower child sickness, its effectiveness should extend to decreasing child neglect as well.

The study indicates a reduction in daycare-related illnesses for those using the app but does not address neglect, making this conclusion incorrect.

b. Using the app will ensure daycare employees do not transmit germs.

The research didn't examine how the app functions, nor whether it stops daycare workers from transmitting germs. Thus, this conclusion lacks accuracy.

c. The analysis was performed as an experiment, not an observational study.

In reality, it was primarily observational. Such studies document results without manipulation by the researchers.

d. The sample size of the study was inadequate for drawing conclusions.

A pool of 1200 is sufficiently large to reflect the wider population’s characteristics. Therefore, this assertion is also incorrect.

e. A link seems to exist between the app and reduced transmission of daycare illnesses.

From the provided details, it’s clear that the findings of this study depict a link between using the app and a marked decrease in daycare-related illnesses among children of those who have downloaded it. Hence, the app likely plays a role in lowering the risk of such illnesses in their children.

Hope this is helpful!

6 0
1 month ago
A ballroom has a square dance floor. The area of the floor is 400 square feet.
babunello [11817]
From the question, we know that

a ballroom features a square dance floor, which has an area of 400 square feet.

The formula for the area of a square is the side squared. Hence, we can determine the side length. Taking the square root of both sides, upon increasing the side length by one foot, we arrive at a side length of 21 feet, which is not a perfect square. The area of 441 is indeed a perfect square and a rational number. Consequently, the true statements are A and E.

6 0
10 days ago
Alayna worked 44 hours last week. Her hourly rate is $9.00. Alayna's gross pay for last week was $
PIT_PIT [12445]

44 hours multiplied by $9 per hour equals $396.00.

It's really quite straightforward to calculate. Wishing you a great day!

6 0
1 month ago
Read 2 more answers
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