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2 years ago

7

Which triangles are similar?

1 answer:

Helga [31]2 years ago

8 0

I believe the answer is B

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Find the greatest common factor of the expressions:

saw5 [17]

Answer:

6n^2z is the greatest common factor

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2 years ago

Read 2 more answers

Which two numbers have 50.35 as thier absolute value

butalik [34]

Answer:

it could be -50.35 and 50.35 since the absolute value is just the positive value of the number

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2 years ago

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:

$W = 1.19$

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3 years ago

You are going to play mini golf. A ball machine that contains

mariarad [96]

There is a 24.71% chance of getting a blue golf ball

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3 years ago

Pls helpppppppppp meeeeeeeeeeeeeeee

yarga [219]

Answer:

B. $\frac{1}{5}$

Hope this helped. A brainliest would be very much appreciated. (I need 4 brainliest so I can level up) :)

7 0

2 years ago