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nikitadnepr [17]
3 years ago
14

the length of a rectangle is 4 cm more than 3 times its width.the area of the rectangle is 15cm^2. 1)write a quadratic model to

represent this situation? 2) find the width of the rectangle

Mathematics
1 answer:
labwork [276]3 years ago
8 0

Answer:x=5/3,-3


Step-by-step explanation:


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HELP me on this please
Rzqust [24]

Answer:

angle FEA is 100°

angle AEC is 20°

angle CEG is 60°

Step-by-step explanation:

angle AEC=angle DEB=20°

angle AEG=angle FED=80°

80°-20°=60°; angle CEG=60°

angle FEA+angle AEC+ angle CEG=180°

angle FEA=100°

6 0
3 years ago
Find the area of the parallelogram.
kotegsom [21]
You can see that the base is 5 units.
The height is 3.
The area of a parallelogram is 
A = B * H
A = 5 * 3
A = 15 units^2

Hope this helps!

7 0
3 years ago
Zachery is solving the equation 3/4 (x - 8) = 12
Maru [420]

Answer:

3/4*x - 3/4*8=12

3/4x -6=12

3/4x=12+6

3/4x=18

x=24

Step-by-step explanation:

multiply 3/4 into the content inside the brackets

have -3/4*8 cross the equal sign changing its sign from - to +

divide both sides by 3/4

6 0
3 years ago
Claire is baking items for a school bake sale. She needs 2 cups of flour for cookies, and 1 cups of flour for banana bread. How
Daniel [21]

Answer: B (3 cups)

Step-by-step explanation:

Add 2 cups + 1 cup together, and you get 3 cups. C is incorrect (in this scenario) because it doesn’t describe what measurement it’s in.

7 0
2 years ago
Help Please 20 POINTS <br> Which expressions are equivalent to the following?
o-na [289]

Answer:

\large\boxed{5x(6x-x-2)}\\\\\boxed{-5(-6x^2+x+2)}\\\\\boxed{5(2x+1)(3x-2)}

Step-by-step explanation:

30x^2-5x-10=5(6x^2-x-2)=5(-1)(-6x^2+x+2)=-5(-6x^2+x+2)\\\\30x^2-5x-10=30x^2+15x-20x-10=15x(2x+1)-10(2x+1)\\\\=(2x+1)(15x-10)=(2x+1)(5)(3x-2)=5(2x-1)(3x-2)

4 0
3 years ago
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