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Dvinal [7]
3 years ago
14

Find X and angles R and L. Please help me with this

Mathematics
1 answer:
Jobisdone [24]3 years ago
8 0
I remember learning about this. You can go on Khan academy it is very helpful.
You might be interested in
Which equation represents the explicit formula for a constant velocity arithmetic sequence?
k0ka [10]

The equation which represents the explicit formula for a constant velocity arithmetic sequence is; Choice A; xₙ = x₁+(n-1)(v•△t).

<h3>Which equation among the answer choices represents the explicit formula for a constant velocity arithmetic sequence?</h3>

It follows from convention that an arithmetic sequence is usually defined by an expression of the form;

T(n) = T(1) + (n-1)×d in which case, d = common difference.

Consequently, in the event that the velocity in discuss is constant, it follows that the required expression is; Choice A; xₙ = x₁+(n-1)(v•△t).

Therefore, xₙ = x₁+(n-1)(v•△t) represent the equation for explicit formula for a constant velocity arithmetic sequence.

Read more on arithmetic sequence;

brainly.com/question/6561461

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3 0
2 years ago
The life in hours of a biomedical device under development in the laboratory is known to be approximately normally distributed.
bearhunter [10]

Answer:

Kindly check explanation

Step-by-step explanation:

H0 : μ = 5500

H1 : μ > 5500

The test statistic assume normal distribution :

Test statistic :

(Xbar - μ) ÷ s/sqrt(n)

(5625.1 - 5500) ÷ 226.1/sqrt(15) = 2.1429 = 2.143

Pvalue from test statistic :

The Pvalue obtained using the calculator at df = 15 - 1 = 14 is 0.025083

α = 0.05

Since ;

Pvalue < α

0.025083 < 0.05 ; Reject H0

The confidence interval :

Xbar ± Tcritical * s/sqrt(n)

Tcritical at 95% = 1.761 ;

margin of error = 1.761 * 226.1/sqrt(15) = 102.805

Lower boundary : (5625.1 - 102.805) = 5522.295

(5522.295 ; ∞)

The hypothesized mean does not occur within the constructed confidence boundary. HENCE, there is significant eveidbce to support the claim that the true mean life of a biomedical device is greater than 5500

4 0
3 years ago
In 5-card poker, find the probability of being dealt the following hand. Refer to the table. Note that
Savatey [412]

The probability of being dealt no pair is 0.5011 or 50.11% if the tandard deck of playing cards has 52 cards-4 suits.

<h3>What is probability?</h3>

It is defined as the ratio of the number of favourable outcomes to the total number of outcomes, in other words, the probability is the number that shows the happening of the event.

It is given that:

In 5-card poker, find the probability of being dealt the following hand. Refer to the table.

From the table:

Total number of outcomes = 2598960

Total number of favourable outcomes = 1302540

The probability of being dealt no pair:

P(no pair) = 1302540/2598960

P(no pair) = 0.5011

In percentage:

P(no pair) = 50.11%

Thus, the probability of being dealt no pair is 0.5011 or 50.11% if the tandard deck of playing cards has 52 cards-4 suits.

Learn more about the probability here:

brainly.com/question/11234923

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6 0
2 years ago
Express as a sum: 15–7
kirill115 [55]
-7+15. this is what i think it is.
5 0
3 years ago
Read 2 more answers
What is the slope of y=-5+4x
Vesna [10]

Answer:

4x aka 4/1 meaning you rise 4 in a graph and run 1 in a positive trend.

Step-by-step explanation:

the slope for slope intercept formulas is the number with the x or the x alone if its 1.

6 0
3 years ago
Read 2 more answers
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