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Soloha48 [4]
3 years ago
14

What is the approximate area of the shaded region in the given square containing 2 semicircles? (Use * 3.14.) 10 cm 0 21.5 squar

e centimeters O 50 square centimeters O 78.5 square centimeters O 100 square centimeters

Mathematics
2 answers:
Crazy boy [7]3 years ago
8 0

Answer:

Subtract the circle from the square

Step-by-step explanation:

(10× 10) - 25pi

lakkis [162]3 years ago
4 0

Answer:

yes

Step-by-step explanation:

bcuz

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Why is it important to keep two sides of an equation balanced when solving?
Lady_Fox [76]

Answer:

An important property of equations is one that states that you can add the same quantity to both sides of an equation and still maintain an equivalent equation.  If you think of an equation as being like a balance scale, the quantities on each side of the equation are equal, or balanced.

Step-by-step explanation:

5 0
3 years ago
Can someone explain this for me??<br> 4 (c+2) &lt; 4c + 10
faust18 [17]

Answer:

The inequality would be true

Step-by-step explanation:

4(c+2) < 4c + 10

Distribute the 4 on the left

4c + 8 < 4c + 10

Subtract 4c from both sides

8 < 10

8 < 10 is true

7 0
3 years ago
What is the difference of the two polynomials?
Ganezh [65]

Answer:

a) 7x^2 + 5x

Step-by-step explanation:

(9x^2 + 8x) – (2x^2 + 3x)

Distribute the minus sign

(9x^2 + 8x) – 2x^2 - 3x

Line them up vertically

  (9x^2 + 8x)

– 2x^2 - 3x

-------------------

7x^2     +5x

5 0
3 years ago
Read 2 more answers
What is the area of a traingle with base as 2cm and height as 7cm?
Alex17521 [72]

Answer:

7 cm²

Step-by-step explanation:

Area of a triangle = (Base * hight)  / 2

A = (2* 7) /2 = 14/ 2 = 7 cm²

3 0
2 years ago
Read 2 more answers
Steve got his car fixed for $557. After taxes it cost him $594. What was the tax rate to the nearest %?
I am Lyosha [343]
You're nearly there. Just some more steps.
557 * x = 594 tells us 
x = 594 / 557 (divide both sides by 557)
x ≈ 1.066427

When we've found this number we must realise the following:
the '1' in this answer is the 100% the car fixing costs (without taxes)
the '0.66427' stands for the tax rate.

To find the tax rate we multiply 0.66427 by 100, which gives us:
0.66427 * 100 = 6.6427 ≈ 7

So, rounded to the nearest %, the tax rate is 7%
6 0
3 years ago
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