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Tpy6a [65]
3 years ago
7

A perimeter of a square field is 20cm. what is the area of the field?

Mathematics
2 answers:
OLga [1]3 years ago
8 0
25 because each side is 5cm. So when you multiply length times width, you would multiply 5x5. So 25cm^2
const2013 [10]3 years ago
5 0

<em>The</em><em> </em><em>area</em><em> </em><em>will</em><em> </em><em>be</em><em> </em><em>25cm</em><em>²</em>

<em>HOPE</em><em> </em><em>IT</em><em> </em><em>HELPS</em><em> </em><em>YOU</em><em>♡</em><em>♡</em>

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Three friends fill bags with trash at a neighborhood cleanup. Randall's bag weighs
BabaBlast [244]

Answer:

Randall picks up 68 pounds

Seth picks up 40 pounds

Joanna picks up 52 pounds

Step-by-step explanation:

Let us make an equation in x to find it

∵ Randall's bag weighs  3x - 7 pounds

∵ Joanna's bag weighs  2x + 2 pounds

∵ Seth's bag weighs 2x - 10 pounds

∵ Randall's and Joanna's bags weigh 3 times as much as  Seth's bag

- That means add Randall's bag and Joanna's bag and equate

    the sum by 3 times Seth's bag

∵ Randall's bag + Joanna's bag = 3(Seth's bag)

∴ (3x - 7) + (2x + 2) = 3(2x - 10)

- Simplify the two sides

∴ (3x + 2x) + (-7 + 2) = 3(2x) - 3(10)

∴ 5x + (-5) = 6x - 30

∴ 5x - 5 = 6x - 30

- Add 5 to both sides

∴ 5x = 6x - 25

- Subtract 6x from both sides

∴ -x = -25

- Divide both sides by -1

∴ x = 25

Substitute x by 25 in the weight of each bag

∵ Randall's bag weighs = 3(25) - 7 = 75 - 7

∴ Randall's bag weighs = 68 pounds

∵ Seth's bag weighs = 2(25) - 10 = 50 - 10

∴ Seth's bag weighs = 40 pounds

∵ Joanna's bag weighs  = 2(25) + 2 = 50 + 2

∴ Joanna's bag weighs  = 52 pounds

7 0
3 years ago
Read 2 more answers
Mass and weight math​
Katyanochek1 [597]

Answer: There is 10,000 ug in 1 cg

5 0
3 years ago
Solve for A ? <br><br> Anyone willing to help me :)
GrogVix [38]

Answer:

<h2>2.2</h2>

Step-by-step explanation:

Use the cosine law:

BC^2=AB^2+AC^2-2(AB)(AC)\cos(\angle A)

We have:

BC=a\\\\AB=4\\\\AC=3\\\\m\angle A=32^o\to\cos32^o\approx0.848

Substitute:

a^2=4^2+3^2-2(4)(3)(0.848)\\\\a^2=16+9-20.352\\\\a^2=4.648\to a=\sqrt{4.648}\\\\a\approx2.2

5 0
3 years ago
4 (×+3)&lt;44. Solve each inequality
mel-nik [20]
X+3<11
x<8

thatll be your answer
4 0
3 years ago
The graph shows the charge for a health club in a month. Write an equation that can be used to find the total charge (y) for the
babymother [125]

Answer:y=5x+30

Step-by-step explanation:

The y-intercept is 30 so it is y=?+30

Then the x changes value at a constant rate of 5

So... it is y=5x+30

3 0
3 years ago
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