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Katen [24]
2 years ago
7

A survey of 20 Middleton residents was done to determine the number of people in each household. The numerical frequencies are s

hown in the dot plot.

Mathematics
1 answer:
Bond [772]2 years ago
3 0

Answer:

First one is 9 the second one is 3.75 and the last one is 8

Step-by-step explanation:

I just did it

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What is the solution to бn + 1 = 2n – 7
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Answer:

n = -2

Step-by-step explanation:

6n = 2n-8

4n = -8

n = -2

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3 years ago
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Given: N is the midpoint of LQ,
nlexa [21]

Answer:

6. SAS Postulate

5. ASA Postulate

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The high school leadership team is having a car wash. They charge $5.50 for large cars and $4.00 for small cars . They had a suc
11Alexandr11 [23.1K]

Answer: 56 large cars and 86 small cars.

Step-by-step explanation:

Let's call:

l: the number of large cars.

s: the number of small cars.

Then, you can set up the following system of equations:

\left \{ {{l+s=142} \atop {5.50l+4.0s=652.50}} \right.

You can use the Elimination Method:

- Multiply the first equation by -4.0

- Add both equations.

- Solve for l.

\left \{ {{-4.0l-4.0s=-568} \atop {5.50l+4.0s=652.50}} \right.\\--------\\1.5l=84.5

l≈56

Substitute l=56 into one of the original equations and solve for <em>s:</em>

<em> </em>56+s=142\\s=142-56\\s=86

3 0
2 years ago
Victoria combined 2 3/4 cups of granola and 1 1/4 cups of raisins to make trail mix. How much trail mix did she make?
Alenkinab [10]
2 and 3/4 + 1 and 1/4 = 3 and 4/4 = 4
5 0
2 years ago
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Gina, Sam, and Robby all rented movies from the same video store. They each rented some dramas, comedies, and documentaries. Gin
weqwewe [10]
Solve using equations:

Gina 11 = a+b+c
Sam 27 = 2a+3b+2c
Robby 19= a+2b+2c

Gina *2 give 22=2a+2b+2c (subtract this from Sam to give)
b=5

the subtract Robby from Gina *2 to give a=3



[Question 1]
let d = number of dramas Gina rented, c = # of comedies, and t = # of documentaries:

[equation a] d + c + t = 11
[equation b] 2d + 3c + 2t = 27
[equation c] d + 2c + 2t = 19

if we subtract [a] from [c] we get:
[equation d] c + t = 8

if we subtract [c]*2 from [b] we get:
[equation e] -c - 2t = -11 or
[equation e] c + 2t = 11

Now we can subtract [e] from [d] to solve for t:
t = 3

Now put in 3 for t in [d] or [e] to solve for c:
c + 2(3) = 11
c + 6 = 11
c = 5

So she rented 5 comedies and 3 documentaries which leaves 3 dramas (which is answer A)
6 0
2 years ago
Read 2 more answers
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