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Andrew [12]
2 years ago
7

What is the median value of the data set shown on the line plot? Enter your answer in the box.

Mathematics
1 answer:
zhannawk [14.2K]2 years ago
7 0
70, 80, 90, 90, 100, 100, 100, 110, 110, 110, 110, 120, 120, 120, 120, 130, 130, 140

the answer is 110. you go from both sides taking away one at a time until you meet in the middle. in this scenario two numbers were in the middle. i added 110 and 110 and got 220. at that point you divide by two.

to visualize this:
if the problem was like this
1, 2, 3, 4, 5
the median would be three because it’s in the middle. hope this helps!
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Heather has divided ​$5900 between two​ investments, one paying 9%, the other paying 4​%. if the return on her investment is ​$3
Leni [432]

Heather invested $2,200 at 9% and invested $3,700 at 4%

What represents the amount invested in each asset?

The amount invested at 9% can be represented as x whereas the balance invested at 4% is (5900-x), as a result, the interest earned on each is computed thus:

Interest 9%=x*9%

interest at 9%=0.09x

Interest at 4%=(5900-x)*4%

interest at 4%=236-0.04x

Total interest=0.09x+236-0.04x

total interest=0.05x+236

Total interest earned=346

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x=110/0.05

x=$2,200(invested at 9%)

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amount invested at 4%=$3,700

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3 0
1 year ago
The perimeter of a rectangle is 22 inches. Find the dimensions if its length is 3 inches greater than its width.
MaRussiya [10]

Answer:

Length: 7

Width: 4

Step-by-step explanation:

We can create a system of equations for this problem, where w is the width and l is the length.

The perimeter of a rectangle is twice its length added to twice its width.

2l+2w=22

The length is 3 more than the width:

l = w+3

We can now substitute in w+3 as l in the equation 2l+2w=22.

2(w+3) + 2w = 22

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2w+6+2w=22

Combine like terms:

4w+6=22

Subtract 6 from both sides:

4w=16

Divide both sides by 4:

w = 4

Now we know that w = 4. We can now substitute this inside an equation to find l.

l = w+3\\\\l = 4+3\\\\l=7

Hope this helped!

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3 years ago
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Answer:

c

Step-by-step explanation:

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