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Jlenok [28]
3 years ago
5

I need helpppp plsssss

Mathematics
1 answer:
podryga [215]3 years ago
5 0

9514 1404 393

Answer:

  • 33, 27
  • 285

Step-by-step explanation:

The price difference is found by subtracting Emma's price from DeShawn's price. Each price is the product of the number of square feet and the price per square foot.

The number of square feet is already given in the answer form, so you only need to fill in the per square foot prices. Those are found in the table. Both the window name and the window area give clues as to which is the right price to choose.

The expression is (4² × 33) - (3² × 27).

__

For the second fill-in, you need to actually do this arithmetic. For many calculators, you can enter this expression directly.

DeShawn paid $285 more for his window than Emma.

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Any Help Please?!
umka2103 [35]
Total number of students in the sample = 100

Atleast 3 means equal to or greater than 3. So in order to find the number of students in the sample who play outdoor games for atleast 3 hours we need to add the number of students who play for 3 hours or more.

Therefore, number of students who play for atleast 3 hours = 62 + 8 + 0 = 70

In the sample of 100 students, 70 students play the outdoor games for atleast 3 hours.

Base on this we can the sample proportion of students who play outdoor games for atleast 3 hours = 70/100 = 0.7

Based on the sample proportion, out of 1200 students the expected number of students who will play outdoor games for atleast 3 hours = 0.7 x 1200 = 840 students

Thus, 840 students out of 1200 would be expected to play outdoor games for at least three hours every week. Option B is the correct answer
4 0
4 years ago
Abbey receives a $40 gift card for downloading music and wants to determine how many songs she can purchase. Each downloaded son
LekaFEV [45]

Answer:

A. $2.89(m)=$40

B. 13 songs

Step-by-step explanation:

$2.89(m)=$40

m=$40/$2.89

m=13.84

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Check:

$2.89 (13 songs)=$37.57

$40-$37.57=$2.43 left on her gift card

m=13.84, check that 0.84 of the cost of a song is left over 0.84*$2.89=$2.43

4 0
3 years ago
Read 2 more answers
A group of 4 friends likes to golf together, and each friend keeps track of her all-time lowest score in a single round. Their l
Sphinxa [80]

Answer: Mean get decreased and median remains same.

Step-by-step explanation:

Given: The low scores of all 4 friends  are all between 90 and 100, except for Angie, whose low score is 80.

i.e. Angie is an outlier.

[An outlier is an extreme value which lies far from the other data values.]

Angie then golfs a great round and has a new low score of 75.

i.e. more lower value.

Since Mean gets effected by an outlier but median remains same.

Here, value of new outlier(75) is less than the previous one (80), so mean score will get decreased, where as median (middle most value in ordered data) remains the same.

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3 years ago
A painter used 3/4 of a gallon of paint to cover 1/4 of a wall. How many gallons of paint will the painter use for the entire wa
Ivahew [28]
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