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12345 [234]
3 years ago
6

In triangle DEF, P is the centroid and J is the midpoint of side EF. If the length of DP is 22, what is the length of DJ?

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
4 0
The length of DJ is 11

A
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Can someone help me with this??
lukranit [14]
10 40 400
20 30 600
25 25 625
35 15 525
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(mb if it’s incorrect)
4 0
2 years ago
On a math quiz, you earn 10 points for each question answered correctly. In the equation below, x represents the number of quest
nadya68 [22]

Answer:

The input value or independent variable is number of questions that you answer correctly on this quiz (variable x)

Step-by-step explanation:

Let

x ----> the number of questions that you answer correctly on this quiz

y ----> the total number of points you score on this quiz

In this problem

The output value or dependent variable is the total number of points you score on this quiz (variable y)

The input value or independent variable is number of questions that you answer correctly on this quiz (variable x)

we have

y=10x

This linear equation represent a proportional relationship between the variables x and y

where

k=10

K is the constant of proportionality or slope of the linear equation

3 0
4 years ago
Read 2 more answers
A plane travels 360,000 meters in 900 seconds. What was its speed
Umnica [9.8K]
900 / 60 = 15
So, the plane traveled 360,000 meters in 15 minutes.
Generally, we do per hour. So, 15 mins * 4 = 60 mins or 1 hour. Because we multiplied the time by 4, we also need to multiply the distance by 4. 360,000 * 4 = 1440000 meters. The plane was traveling at 1440000 meters per hour.

However, it does not make sense to use meters for this long of a distance. I am going to convert it into miles (let me know if the question asks for a different unit of distance). 1 mile equals 1609.34 meters. Divide 1440000 by 1609.34 to get how many miles. 1440000 / 1609.34 = 894.7767408.

Therefore, the plane is going about 895 miles per hour--pretty fast!

7 0
4 years ago
Read 2 more answers
Ian needs to replace two concrete sections in his sidewalk, as modeled below. Each section is 36 inches by
fredd [130]

Answer: $19.5

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula:

Volume of a rectangular prism = width x length x height

Replacing with the values given:

Since 1= 1/12 foot

36 in /12 = 3 foot  (length and wifth)

4 in /12 = 1/3 foot  (height)

V = 3 x 3 x 1/3 = 3ft3

Next, we multiply it by 2 (since there are 2 sections):

3 x 2 = 6 ft3

Finally we multiply it by the cost of each cubic foot:

6 x 3.25 = $19.5

Feel free to ask for more if needed or if you did not understand something.

4 0
4 years ago
PLEASE HELP WILL FOLLOW BACK AND RATE Use the table below of the function f(x) = x4 − 4x to answer this question:
inn [45]
The average rate of change is 4
6 0
3 years ago
Read 2 more answers
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