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tigry1 [53]
2 years ago
6

The expression -50x + 100 represents the balance, in dollars, of a bank account after x months.

Mathematics
1 answer:
Anon25 [30]2 years ago
4 0

Answer:

50

Step-by-step explanation:

-50 × 1 = -50+100=50 dollars per month

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Which statement correctly compares the mean number of students for the data in the plots?
satela [25.4K]

Answer:

<em><u>"There are about 2 more students in each class at Oak Middle School than at Poplar Middle School."</u></em>

Step-by-step explanation:

We need to compute the mean for each.

<u>Poplar Middle School:</u>

Lets list the numbers

20,20,20,21,21,21,21,21,22,22,22,22,22,22,22,23,23,23,23,24

The average is sum of all divided by number of numbers, that will be:

435/20 = 21.75

<u>Oak Middle School:</u>

The numbers are:

20,21,21,22,22,23,23,23,23,24,24,24,25,25,26,26,27,27,28,29

The average is sum divided by number of numbers, that will be:

483/20 = 24.15

The difference in mean is:

24.15 - 21.75 = 2.4

We can say, that is about 2 more students in Oak Middle School, correct answer choice is "2nd answer choice" - <em><u>"There are about 2 more students in each class at Oak Middle School than at Poplar Middle School."</u></em>

7 0
3 years ago
A store manager receives a delivery of 2 boxes of light bulbs.Each box contains 25 lightbulbs.The store manager tests all the li
kolezko [41]

Answer:

Step-by-step explanation:

A delivery of 4 boxes will contain 2 more defective lightbulbs than a delivery of 2 boxes.

7 0
3 years ago
What is the third angle in a triangle with two angles of 60* and 45*
REY [17]

The answer is 75° because all three angles of a triangle must add to 180°

6 0
3 years ago
Please try to answer as many as possible. Thanks
Art [367]
For the first one the answer is 2
6 0
3 years ago
Can someone help and show the work please
Snowcat [4.5K]

Answer:

<h2><em>A = 75 in²</em></h2>

Step-by-step explanation:

We have the rectangle and the right triangle.

The formula of an area of a rectangle:

<em>A = lw</em>

<em>l</em> - length

<em>w </em>- width

We have <em>l = 10 in</em> and <em>w = 5 in</em>. Substitute:

<em>A = (10)(5) = 50 in²</em>

The formula of an area of a triangle:

<em>A = 1/2 bh</em>

<em>b</em> - base

<em>h</em> - height

We have <em>b = 5 in</em> and <em>h = 5 in + 5 in = 10 in</em>. Substitute:

<em>A = 1/2(5)(10)=1/2(50)=25 in²</em>

The area of figure:

<h3><em>A = 50 in² + 25 in² = 75 in²</em></h3>
3 0
3 years ago
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