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Alchen [17]
3 years ago
5

Hey school wishes to form three sides of a rectangular playground using 240 m of fencing. The playground border is the school bu

ilding so the fourth side does not need fencing. One of the sides has a length X. Find a function that gives the area A(x) of the playground in square meters in terms of X.

Mathematics
1 answer:
kari74 [83]3 years ago
7 0

Answer:

A(x) = x(240-2x)\\\\       Or\\\\A(x) = x[\frac{240-x}{2}]

Step-by-step explanation:

please kindly see the attached file for more explanation

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Find the area of the rhombus.<br> A=<br> square units
Olin [163]
The answer should be 24 square units.

5 is the hypotenuse and the one we need is the base and the height. They gave us the height, which was 6 in total but 3 for the triangle. But we needed to find the base.

In order to do that, we need to use the Pythagorean Theorem.

a^2+b^2=c^2

3^2+b^2=5^2

9+b^2=25

Subtract 9 from both sides

b^2=16

Then square root both sides.

b=4.

Now that we have the base, you can then find the area of the triangle.

BH/2
4*3/2
12/2
6

So one triangle equals to 6. Then multiply that by 4 to find the area of the rhombus. Which would be 24 square units.

7 0
3 years ago
For example( and this is straight from the paper), "15 people in 3 equal rows."
densk [106]
At a race, there are 3 rows with 15 people in each row. How many total people are there?

Numerical expression- 15 times 3

(Idk if this helped very much but it's worth a shot)
6 0
3 years ago
A survey asked 20 mobile phone dealers how many mobile phones were sold during the previous week. Their answers are displayed in
Sidana [21]

The best type of chart for quickly deriving the mode of a sample data is called the Stem-and-Leaf Plot.

<h3>What is a Stem-and-Leap Plot?</h3>

In statistics, the Stem-and-Leaf Plot is an easy-to-make easy-to-read kind of graph that is derived from the table holding the sample data.

The Box-and-Whisker Plot on the other hand is best for visually depicting the five-number summary of any set of data, which are:

  • Minimum
  • First Quartile
  • Median (Second Quartile)
  • Third Quartile; and
  • Maximum.

It is to be noted that referenced plots are not indicated hence, the general answer.

Learn more about Stem-and-Leaf Plot at:
brainly.com/question/8649311
#SPJ1

8 0
1 year ago
Almost done please someone!!!!!!!!!!!!!!!!!!!!!!!
Levart [38]

Answer:

yea sooo sorry

Step-by-step explanation:

So sorry i cant see the pic sorry

3 0
2 years ago
Evie and her father are comparing their ages. At the current time, Evie's father is 36 years older than her. Theee years from no
artcher [175]
Let F be the father's current age, and E be Evie's current age.
F = E + 36                 this is the current relation between the ages
F + 3 = 5(E + 3)        this the relationship in 3 year (hence the + 3)
Then solve by substituting one equation into another:
(E + 36) + 3 = 5(E + 3)
         E + 39 =  5E + 15
                24 = 4E
                  6 = E
Evie's current age is 6.
7 0
3 years ago
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