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4 years ago

How is the building code for using asphalt shingles on a roof related to the definition of slope?

Mathematics

1 answer:

iren2701 [21]4 years ago

8 0

Because they're both slant like and they both is like you're going down a hill

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If events A and B are mutually exclusive, P(A or B) = 0.5, and P(B) = 0.3; then what is P(A)?

11Alexandr11 [23.1K]

Answer:

$P(A) = 0.2$

Step-by-step explanation:

We have that:

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

In which P(a) is the probability of a but not b and $P(A \cap B)$ is the probability of both A and B.

By the same logic, we have that:

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

Also

P(A or B) is

$P(A \cup B) = P(a) + P(b) + P(A \cap B)$

Events A and B are mutually exclusive

This means that $P(A \cap B) = 0$

$P(B) = 0.3 = P(b)$

$P(A \cup B) = P(a) + P(b) + P(A \cap B)$

$0.5 = P(a) + 0.3$

$P(a) = 0.2$

$P(A) = P(a) + P(A \cap B) = 0.2 + 0 = 0.2$

4 0

4 years ago

Lend me a hand please

Nookie1986 [14]

Answer:

A) y>=-1

Step-by-step explanation:

The line itself is y=-1, but it is also filled in. Therefore, we are down to either A or C as the right answer

Since (0,0) is a solution to the inequality as indicated by the shade, we know that since y=0 in the origin, 0 is greater than -1, so therefore A is the correct answer.

4 0

3 years ago

Classify the following into monomials, binomial and trinomials.

Degger [83]

A monomial is an expression containing a single term.
A binomial is an expression having two terms.
A trinomial is an expression having three terms.

Here -6 is a monomial having a single term -6.
-5 + x is a binomial containing two terms -5 and x.
32x - y is a binomial having two terms 32x and -y.
6x² + 5x - 3 is a trinomial having three terms 6x², 5x and -3.
z² +2 is a binomial having two terms z² and 2.

Answers

monomial
binomial
binomial
trinomial
binomial

Hope you could understand.

If you have any query, feel free to ask.

5 0

2 years ago

In an experiment, equal amounts of heated water and soil were left to cool down. The initial and final temperatures of each were

Mekhanik [1.2K]

Answer:less than 24 °C as soil loses heat relatively faster than water. It will be less than 24 °C as water loses heat relatively faster than soil. It will be more than 24 °C as it takes relatively longer to change soil temperature than water temperature. It will be more than 24 °C as it takes relatively longer to change water temperature than soil temperature.

Step-by-step explanation:

less than 24 °C as soil loses heat relatively faster than water. It will be less than 24 °C as water loses heat relatively faster than soil. It will be more than 24 °C as it takes relatively longer to change soil temperature than water temperature. It will be more than 24 °C as it takes relatively longer to change water temperature than soil temperature.

6 0

3 years ago

Find the value of x, rounded to the nearest tenth.

Brrunno [24]

Step-by-step explanation:

first find the height by using Tan 28
then use pythagras theorem you can find value of x
answer is 36.2

7 0

3 years ago