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Leto [7]
3 years ago
10

Math question please help If you get this right I will mark you as a brainliest

Mathematics
1 answer:
stepan [7]3 years ago
3 0
40 x 26.5 /2 is 530which is b
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What is a solution to 4x+6<(with a line under it ) 18
JulsSmile [24]

Answer:

\textbf{$x \in (-\infty, 3] $}\\

Step-by-step explanation:

\textup{Given:}\\$ 4x + 6 $\textup{Subtracting $6$ from both the sides }\\$ 4x \leq 18 - 6 \hspace{5mm} (=12) $\\\textup{Dividing by $4$ on both the sides: \hspace{15mm} [Note that the sign of the inequality changes only when we divide it by a negative number]}\\$$ x \leq 3 $$\\\textup{$x$ can be any real number less than or equal to 3.}\\$ \iff x \in R^- \cup \{a : 0 \leq a \leq 3\} $

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3 years ago
Cuanto es la raíz cubica de 27
zlopas [31]

Answer:

3

3•3•3= 27

Step-by-step explanation:


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3 years ago
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What is the solution to the system y + x = 3 and y - x = 1? *
Oxana [17]
Since y + x = 3, then we could say one of them equals 2 while the other is 1. y - x = 1, then we can say 3 - 1 = 2, so y would be 2 and x would be 1
3 0
3 years ago
Suppose that out of 20% of all packages from Amazon are delivered by UPS. 15% of the packages that are delivered by UPS weighs 2
Gelneren [198K]

Answer:

0.1938 = 19.38% probability that a package is delivered by UPS if it weighs 2 lbs or more

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

P(B|A) is the probability of event B happening, given that A happened.

P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: It weighs 2 lbs or more

Event B: Delivered by UPS

15% of the packages that are delivered by UPS weighs 2 lbs or more.

This means that P(A \cap B) = 0.15

More than 2 lbs:

15% of 20%(UPS)

93% of 80%(Not delivered by UPS). So

P(A) = 0.15*0.2 + 0.93*0.8 = 0.774

a. What is the probability that a package is delivered by UPS if it weighs 2 lbs or more

P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.15}{0.774} = 0.1938

0.1938 = 19.38% probability that a package is delivered by UPS if it weighs 2 lbs or more

3 0
3 years ago
A farmer has 23 acres on his horse farm. He wants to have at least 1.8 acres for each horse for proper grazing. How can he deter
White raven [17]

Step-by-step explanation:

you would multiply 1.8 acres times 12 horses than take your answer is it more or less than how many acres this farmer has. btw that is not a lot of acres for a farm...

8 0
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