MATHEMATICS COLLEGE

ATTEMPT 3 OF TRYING TO GET THIS ANSWERED PLEASE HELPIn this diagram, x || y || z and m<9 = 93°.
What is the measure of each angle?

Drag and drop the correct measurements by the arrows to
match each angle.
m<2 ——>
m<4——->
m<7——->

87° 89° 91° 93 °

Answers

Answer 1

Answer:

Answer:

m<2 = 87

m<4 = 87

m<7 = 93

Step-by-step explanation:

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4(2x + 4) = 10x + 13 - 2x + 3.Solve for x
2.23 round to the nearest tenth.
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Identifying a Proportional Relationship in a TableWhich takle represents a proportional relationship?
x
y
4
*
.
09
y
8
5
2
12
7
18
20
26
12
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18
20

Answers

9514 1404 393

Answer:

see below

Step-by-step explanation:

A proportional relationship is one in which the ratio of y to x is a constant for all non-zero values of x and y.

Of the tables shown here, this is the case only for the one shown below. It has ...

y = 1.4x

Answer:

The middle one

Step-by-step explanation:

The middle one

y = (7/5)x

x y

5 7

20 28

60 84

Tanya enters a raffle at the local fair, and is wondering what her chances of winning are. If her probability of winning can be modeled by a beta distribution with α = 5 and β = 2, what is the probability that she has at most a 10% chance of winning?

Answers

Answer:

$P(X<0.1)= 5.5x10^(-5)$

Step-by-step explanation:

Previous concepts

Beta distribution is defined as "a continuous density function defined on the interval [0, 1] and present two parameters positive, denoted by α and β, both parameters control the shape. "

The probability function for the beta distribution is given by:

$P(X)= (x^(\alpha-1) (1-x)^(\beta -1))/(B(\alpha,\beta))$

Where B represent the beta function defined as:

$B(\alpha,\beta)= (\Gamma(\alpha)\Gamma(\beta))/(\Gamma(\alpha+\beta))$

Solution to the problem

For our case our random variable is given by:

$X \sim \beta (\alpha=5, \beta =2)$

We can use the following R code to plot the distribution for this case:

> x=seq(0,1,0.01)

> plot(x,dbeta(x,5,2),main = "Beta distribution a=5, b=2",ylab = "Probability")

And we got as the result the figure attached.

And for this case we want this probability, since we want the probability that she has at most 10% or 0.1 change of winning:

$P(X<0.1)$

And we can find this probability with the following R code:

> pbeta(0.1,5,2)

[1] 5.5e-05

And we got then this : $P(X<0.1)= 5.5x10^(-5)$

Cos²x + sin2x - 1 = 0, 0° ≤ x ≤ 90°, tan x =

Answers

Answer:

0 and arctan(0.5)

Step-by-step explanation:

if sin2x=2sinx*cosx and 1=sin²x+cos²x, then

cos²x+2sinxcosx-sin²x-cos²x=0;

2sinxcosx-sin²x=0; (to divide by cos²x)

2tanx-tan²x=0;

$\left[\begin{array}{ccc}tan(x)=0\n tan(x)=1/2\end{array} \ => \ \left[\begin{array}{ccc}x=pi*n\nx=arctan(1/2)+pi*n\end{array} \ => \ \left[\begin{array}{ccc}x=0\nx=arctan(0,5)\end{array}$

-2a+5b-7-5a+b-4

please help lol

Answers

Answer:

-7a+6b-11

Step-by-step explanation:

-2a+5b-7-5a+b-4

Taking like term together

= -2a-5a+5b+b-7-4

= -7a+6b+11

Edwin raps for 10 minutes on Monday. On Tuesday he raps for anhour. Find out how many minutes he has practiced so far this week.

Answers

Answer:1 hour and 10 mins

Step-by-step explanation: on Monday he raps for 10

Tuesday he raps for 1 hour

1 h +10m =1 h and 10 min

I'm having trouble answer this question

Answers

Answer:

The correct answer is B.

Step-by-step explanation:

ATTEMPT 3 OF TRYING TO GET THIS ANSWERED PLEASE HELPIn this diagram, x || y || z and m<9 = 93°. What is the measure of each angle? Drag and drop the correct measurements by the arrows to match each angle. m<2 ——> m<4——-> m<7——-> 87° 89° 91° 93 °

Answers

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ATTEMPT 3 OF TRYING TO GET THIS ANSWERED PLEASE HELPIn this diagram, x || y || z and m<9 = 93°.
What is the measure of each angle?

Drag and drop the correct measurements by the arrows to
match each angle.
m<2 ——>
m<4——->
m<7——->

87° 89° 91° 93 °