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3 years ago

Tell whether the equation has one, zero, or infinitely many solutions.

1 answer:

4 0

<span>−(8x + 1) − 3 = −7x − (x + 4)
-8x - 1 - 3 = -7x - x - 4
-8x - 4 = -8x - 4
0 = 0

answer
</span><span>infinitely many solutions.</span>

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The larger triangle is dilated to form the smaller triangle.

Vadim26 [7]

Answer:

I’m pretty sure it’s, B. 1/2

Step-by-step explanation:

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A fast-food company is interested in knowing the probability of whether a customer viewed an advertisement for their new special

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Answer:

45% probability that a randomly selected customer saw the advertisement on the internet or on television

Step-by-step explanation:

We solve this problem building the Venn's diagram of these probabilities.

I am going to say that:

A is the probability that a customer saw the advertisement on the internet.

B is the probability that a customer saw the advertisement on television.

We have that:

$A = a + (A \cap B)$

In which a is the probability that a customer saw the advertisement on the internet but not on television and $A \cap B$ is the probability that the customers saw the advertisement in both the internet and on television.

By the same logic, we have that:

$B = b + (A \cap B)$

12% saw it on both the internet and on television.

This means that $A \cap B = 0.12$

20% saw it on television

This means that $B = 0.2$

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This means that $A = 0.37$

What is the probability that a randomly selected customer saw the advertisement on the internet or on television

$A \cup B = A + B - (A \cap B) = 0.37 + 0.2 - 0.12 = 0.45$

45% probability that a randomly selected customer saw the advertisement on the internet or on television

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3 years ago

the length of a rectangle is 3 cm more than twice its width. Find the largest possible width if the perimeter is at most 66cm

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If you let the width be x, then the length will be 2x + 3. The perimeter P is twice the width plus twice the length, i.e., P = 2*x + 2*(2x + 3) = 2x + 4x + 6 = 6x + 6. So if the perimeter is 66 cm then 66 = 6x + 6 ---> 6x = 60 ---> x = 10 cm., and so if the perimeter is at most 66 cm., the width can be at most 10 cm..

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Answer:

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Step-by-step explanation:

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