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3 years ago

I need help with question 2!!!! please help soon this is graded and i will give u brainliest!!!

Mathematics

2 answers:

kodGreya [7K]3 years ago

8 0

Answer:

12.

Step-by-step explanation:

Area = base * perpendicular height

= 6 * 2 = 12.

Ganezh [65]3 years ago

6 0

Answer:

12 square units

Step-by-step explanation:

6 x 2 = 12

The ends of the parallelogram are triangles, so you can just multiply the base times height.

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A school is planning to construct two rectangular play areas in the playground. The length of play area A must be 1 foot longer

Anna11 [10]

Answer:

А.The system has two solutions, but only one is viable because the other results in a negative width.

Step-by-step explanation:

Given

Let:

$L_A \to$ length of play area A

$W_A \to$ width of play area A

$L_B \to$ length of play area B

$W_B \to$ width of play area B

$x \to$ Area of A

$y \to$ Area of B

From the question, we have the following:

$L_A = 1 + 4W_A$

$W_B = 2 + W_A$

$L_B = 2 + 3W_B$

$x = y$

The area of A is:

$x = L_A * W_A$

This gives:

$x = (1 + 4W_A) * W_A$

Open bracket

$x = W_A + 4W_A^2$

The area of B is:

$y = L_B * W_B$

$y = (2 + 3W_B) * ( 2 + W_A)$

Substitute: $W_B = 2 + W_A$

$y = (2 + 3(2 + W_A)) * ( 2 + W_A)$

Open brackets

$y = (2 + 6 + 3W_A) * ( 2 + W_A)$

$y = (8 + 3W_A) * ( 2 + W_A)$

Expand

$y = 16 + 8W_A + 6W_A + 3W_A^2$

$y = 16 + 14W_A + 3W_A^2$

We have that:

$x = y$

This gives:

$W_A + 4W_A^2 = 16 + 14W_A + 3W_A^2$

Collect like terms

$4W_A^2 - 3W_A^2 + W_A -14W_A - 16 =0$

$W_A^2 -13W_A - 16 =0$

Using quadratic calculator, we have:

$W_A = -14.1$ or $W = 1.13$ --- approximated

But the width can not be negative; So:

$W = 1.19$

7 0

3 years ago

Given regular pentagon ABCDE, what are the coordinates of vertex C?

nata0808 [166]

Answer: a

Step-by-step explanation: C is in quadrant 1 and quadrant 1 is (+,+)

6 0

3 years ago

3 (182 + 2) – 172 = -17

IrinaK [193]

Answer:

380≠−17

Step-by-step explanation:

3(182+2)−172 ?= −17

380≠−17

5 0

3 years ago

Read 2 more answers

12+6 over N What is the value of when N= 2? A.6 B.9 C.12 D.18

Anna71 [15]

Answer:

thank you to your question i dont know if my

answer is correct this is my answer letter B

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3 years ago

The quadrilateral obtained by joining the mid points of adjacent sides of a square is?

Anit [1.1K]

Answer:

Square

Step-by-step explanation:

the quadrilateral obtained by joining the mid points of adjacent sides of a square is a square

3 0

3 years ago