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timofeeve [1]
3 years ago
5

Expand (2x+y)(2x_y)​

Mathematics
1 answer:
OLga [1]3 years ago
7 0

Answer:

4 {x}^{2}  -  {y}^{2}

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I need 23 by tomorrow morning at the latest!! WILL GIVE BRAINLEST!
beks73 [17]

Answer:

Area: 5x + 10

Perimeter: 2x + 14

Step-by-step explanation:

Area = length times width

Perimeter = length (2) + width (2)

<u>Area:</u>

Multiply the length be the width. That gives you 5 (x + 2).

Then use the distributive property to simplify this expression. That gives you 5x + 10.

<u>Perimeter:</u>

Multiply the width by 2. That gives you 10.

Multiply the length by 2. That gives you 2x + 4

Add the 2 together. That gives you 10 + 2x + 4.

Combine all like terms. That gives you 2x + 14.

3 0
2 years ago
Which of the expressions below are equal to 3x + 9y + 15? Select all that apply.
devlian [24]
Answer:
C) 3(x + 3y + 5)
D) 3x + 3(3y +5)
5 0
2 years ago
Could any one help me with this? And with explanation and who ever answers first gets brainliest answer​
ioda

Answer:

gonna solve fore perimeter and area

P = 12 + 3 + 3 + 9 + 9 + 4 + 4 + 4 = 48cm

P = 48 cm

For area or A it is

A = (12*3) + (4*9) = 72 cm^2

Step-by-step explanation:

use deductive reasoning to determine the missing side lengths, and then solve by splitting the figuring into multiple rectangles

5 0
2 years ago
Read 2 more answers
Using the discriminant, how many real number solutions does this equation have? 3x^2 – 2 = 5x
Anvisha [2.4K]
The discriminant of this equation is 49. The solutions for this equation are x=2 and x=-\frac{1}{3}
I hope that helps.
7 0
2 years ago
VERY IMPORTANT... write the equation of the line that has a y intercept of (0.4) and a slope of -3/2​
shutvik [7]

Answer:

y = -3/2 x + 4

Step-by-step explanation:

y-4 = -3/2 ( x-0)

y = -3/2 x + 4

7 0
2 years ago
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