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3 years ago

Please help me i dont get this

Mathematics

1 answer:

MissTica3 years ago

4 0

Answer:

Step-by-step explanation:

Since their both negatives, February should be the colder tempuerter.

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Q and R are independent events. If P(Q)= 1/8 and P(R)=2/5 find P(Q and R).

Dafna11 [192]

Answer: 1/20
To find P(Q and R), you have to multiply P(Q) by P(R) to get the probability that both events will occur. P(Q) = 1/8, and P(R) = 2/5, so when multiplied together, you get 2/40. This simplifies to 1/20, meaning P(Q and R) = 1/20.

3 0

3 years ago

Find the midpoint of the line segment

strojnjashka [21]

Answer:

midpoint (5,4)

Step-by-step explanation:

The midpoint(M) of a segment with endpoints (x₁ , y₁) and ( x₂, y₂) is

where x₁ = 2 and x₂ = 8

y₁ = 0 and y₂ = 8

M = $\frac{x_1 + x_2}{2} ,\frac{y_1 + y_2}{2}$

M = $\frac{2 + 8}{2} ,\frac{0 + 8}{2}$

M = 5 , 4

5 0

2 years ago

For each of the functions below, indicate whether the function is onto, one-to-one, neither orboth. If the function is not onto

Karo-lina-s [1.5K]

Answer:

$f_{1} :Z \rightarrow Z$ is one to one mapping, it is not onto mapping

Step-by-step explanation:

$f_{1} :Z \rightarrow Z\\ f_{1} (x) = x^{3}$

f₁(x) is one to one mapping

Let $x, y \epsilon Z$

f₁(x) = f₁(y):

x₁³ = y₁³

f₁(x) is not onto mapping

Example: If f₁(x) = 7,

x₁³ = 7

$x_{1} = \sqrt[3]{7}$

x₁ is not an element of Z

$f_{1} :Z \rightarrow Z$ is one to one mapping, it is not onto mapping

5 0

2 years ago

What's the answer? please help

yan [13]

Answer: -4/3

Y2-y2/x2-x1

7 0

2 years ago

Read 2 more answers

Help. Really important!!

Lerok [7]

Answer:

First on is £12 cuz when the mile is 0, it starts with 12.

Second is £28 (I think)

6 0

3 years ago