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aalyn [17]
3 years ago
14

Find the area. and explain step by step please.​

Mathematics
1 answer:
Shtirlitz [24]3 years ago
8 0

Answer:

3. The answer is 5 * 9 = 45

4. The answer is 10 * 10 = 100

5.  The answer is 11* 18 = 198

6. The answer is 13 * 5 = 65

Step-by-step explanation:

These are 4 sided polynomials so to get the area, you multiply one side by the other side. Hope this helps.

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Can the sides of a triangle have lengths 1, 1, and 4?
qaws [65]
No, because the hypotenuse needs to be three. It would be true if the lengths were 2, 2, 4
8 0
3 years ago
Determine the point (x,y) ( x , y ) on the unit circle associated with the following real number s. Write the exact answer as an
Harlamova29_29 [7]

The required coordinates of the unit circle for s = -11π/6 is (√3/2, 1/2). Using trigonometric functions, the required answer is calculated.

<h3>What are the trigonometric functions?</h3>

There are six trigonometric functions.

They are sin θ, cos θ, tan θ, sec θ, cosec θ, and cot θ.

Where θ - 0 to 360° or 0 to 2π

<h3>Calculation:</h3>

For a unit circle, the coordinates are given in the form of trigonometric functions as below:

x = cos θ and y = sin θ

Here it is given that s = θ = -11π/6

So, on substituting,

x = cos θ = cos (-11π/6)

⇒ x = √3/2

y = sin θ = sin (-11π/6)

⇒ y = 1/2

Thus, the required coordinate pair is (√3/2, 1/2).

Learn more about trigonometric functions here:

brainly.com/question/2291993

#SPJ1

7 0
11 months ago
The probability distribution for the random variable x follows. x f(x) 20 0.20 25 0.15 30 0.30 35 0.35 (a) Is this probability d
Damm [24]

Answer:

(a) The probability distribution is valid.

(b) The probability that x = 30 is 0.30.

Step-by-step explanation:

The probability distribution of the random variable <em>X</em> is:

<em>    x</em>:  20   |  25  |  30   |   35

f (<em>x</em>): 0.20 | 0.15 | 0.30 | 0.35

(a)

The properties of a probability distribution are:

  1. 0 ≤ P (X) ≤ 1
  2. ∑ P (X) = 1

All the probability value are more than 0 and less than 1.

Compute the sum of all the probabilities as follows:

\sum P(X)=0.20+0.15+0.30+0.35=1

The sum of all probabilities is 1.

Thus, the probability distribution is valid.

(b)

Consider the probability distribution table.

The probability of <em>X</em> = 30 is,

P (X = 30) = 0.30.

Thus, the probability that x = 30 is 0.30.

6 0
3 years ago
What is the value of y in the equation 3(3y – 12) = 0? (5 points)
natta225 [31]
Set equal to 0

3=0, nope

3y-12=0
add 12
3y=12
divide 3
y=4






5p-4p-8=-2+3
p-8=1
p=9
1 solution
6 0
3 years ago
Read 2 more answers
Passes through (4, 2) and (4,-5) in standard form
elena-s [515]

Answer:

x+4=0

Step-by-step explanation:

7 0
2 years ago
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