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mars1129 [50]
3 years ago
11

What is the mean of the values in the dot plot? Enter your answer in the box.

Mathematics
2 answers:
patriot [66]3 years ago
7 0

Answer:

Don't use the other answer I did on my k12 test and it ended up being 19.5

So if you go to k12 19.5 is your answer

ivanzaharov [21]3 years ago
5 0
33. take 32+34=66/2=33
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A person drove 36 miles per hour on a trip. If he had driven 48 miles per hour he would have arrived 4 hours earlier. What was t
nlexa [21]

Answer:

d = 576

Step-by-step explanation

Think of the two different speeds as belonging to 2 different cars going to the same place, taking the same route and going to the same place.

Let the time traveled by the fast car = t

Let the time traveled by the slower car = t+4

Let the rate of travel of the slow car = 36 mph

Let the rate of travel of the fast car = 48 mph

===========

d = 36*(t + 4)

d = 48 * t

Since the distance is the same, they can be equated.

48t = 36(t + 4)           Remove the brackets.

48t = 36t + 144          Subtract 36t from both sides.

48t - 36t = 144           Combine

12t = 144                     Divide by 12

t = 144/12

t = 12

Therefore the faster car takes 12 hours to get where it is going.

d = 48 * t

d = 48 * 12

d = 576

6 0
4 years ago
I need help brainliest
Lelechka [254]

Answer: Answer is B

Step-by-step explanation: I hope it help

;)

5 0
4 years ago
Read 2 more answers
X - 9 = 21<br><br> What does x =
Slav-nsk [51]

Answer:

x=30

Step-by-step explanation:

You have to isolate for x. This means you need to somehow get x on one side of the equation all alone. In this case it is x-9=21 which means some unknown number x with 9 subtracted from it is equal to 21. When we bring the -9 over to the other side to get the x all alone, we have to switch the sign of the -9 so it becomes +9. This means x=21+9, and if you add that you'll get 30!

5 0
3 years ago
Theo made a donation to a charity. His grandfather agreed to add $4.00 to Theo's donation amount and then donate half of that su
miss Akunina [59]

So you have to solve for "donation" - so let's call that X. And the things we know are what the grandfather donated, as a function - meaning based upon - Theo's donation. We'll call that Y.

So Y is equal to 1/2 of $4 plus Theo's donation...... 0.5*(x+4).

So... 4.25 = 0.5(X+4), solving for X

4.25=0.5x + 2

-2            -2

2.25=0.5x - divide each side by 0.5 to get x alone.

x = 4.50

Plugging back in:

(4.50 + 4.00)*0.5 = 4.25!

8 0
4 years ago
Read 2 more answers
ΔACB • ΔEFD
Vaselesa [24]

Answer:

y=4

Step-by-step explanation:

8 0
3 years ago
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