Donavan is measuring the angles of a triangle. He measures the first two angles and gets 10 and 120. What should be the measure of the third angle

Answers

Answer 1

Answer:

the third angle should equal 50 degrees.

Step-by-step explanation:

the angles of a triangle always add up to 180 degrees.

10+120=130

180-130=50

therefore, the last angle=50 degrees


Related Questions

The times taken by Amal to run three races were 3 minutes 10 seconds, 2 minutes 58.2 seconds and 3 minutes 9.8 seconds. Find the average time taken, giving your answer in minutes. ​

Answers

Add all the trials (time taken for him to run each race), then divide the number by the amount of races he ran, which is 3


Approximately it is:
3 minutes 19 seconds


Please explain why "10" is considered a polynomial but
1/4 is not.

Answers

Answer:

Neither are polynomials because polynomials have more than 2 terms

Step-by-step explanation:

Answer: 10 is a polynomial because the power of x is 0, which is a whole number.

Step-by-step explanation: Sorry that's all I got. I hoped that helped you find why 1/4 is not a polynomial.

Assume, Tane's utility function is: U( W)=W∧0.5 (square root of W ) and he operates under the tenets of expected utility theory. He is considering taking a job with a start-up company that will pay a base salary of $30,000 but offers the potential of a $70,000 bonus at the end of the year with a 0.5 probability. This means that at the end of the year with 0.5 probability he will get $30000 and with 0.5 probability he will get $100000. Tane is not comfortable with this probabilistic salary scheme. He would prefer to accept a job that pays a certain fixed salary. Which of the following statements is CORRECT? Tane will accept any job as long as the job comes with a certain payment of at least $40,000 (approx.). Tane will accept any job as long as the job comes with a certain payment of at least $50,000 (approx.). Tane will not accept any job with a certain payment of less than $80,000 (approx.). Tane will accept any job as long as the job comes with a certain payment of at least $60,000 (approx.).

Answers

As per given utility function, Tane will accept any job as long as the job comes with a certain payment of at least $40,000 (approx.).

Tane's utility function, \(U(W)=W^{0.5}\), indicates that he has a concave utility function, implying diminishing marginal utility of wealth. This means that Tane values each additional dollar of wealth less as his wealth increases.

Considering the job offer with a base salary of $30,000 and a potential $70,000 bonus with a 0.5 probability, we can calculate the expected value of this salary scheme. The expected value is calculated as the sum of each possible outcome multiplied by its respective probability:

Expected Value = (0.5 * $30,000) + (0.5 * $100,000) = $65,000

Since the expected value is less than $80,000 (approx.), which is the minimum certain payment Tane would accept, Tane would not accept the job offer with the probabilistic salary scheme.

However, Tane's utility function indicates that he values certainty in income. As long as the job comes with a certain payment of at least $40,000 (approx.), Tane would prefer to accept the job because the certain payment guarantees a minimum level of income, providing him with a higher level of certainty and potentially higher utility compared to the probabilistic salary scheme. Therefore, Tane will accept any job as long as the job comes with a certain payment of at least $40,000 (approx.).

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What are the values of x and y? *
Pls help!

What are the values of x and y? *Pls help!

Answers

Answer:

x = 8

y = 12

Step-by-step explanation:

m∠A = sin⁻¹(9/15) = 36.87⁰

cos36.87 = y/15

y = 15(cos36.87) = 12

sin36.87 = 12/(12+x)

12 + x = 12/(sin36.87)

x = 12/(sin36.87) - 12 = 8

Find the distance between -0.5 and 1.5​

Answers

Answer:

  2.0

Step-by-step explanation:

Subtract the smaller number from the larger to find their difference:

  1.5 -(-0.5) = 2.0

The distance between the given values is 2.0.

Which represents the solution(s) of the system of equations, y = x2 – 4x – 21 and y = –5x – 22? Determine the solution set algebraically.

Answers

Answer:

D. No solutions.

Step-by-step explanation:

We have been given a system of equations and we are asked to find the solution set for our given system.

MR Jones wants to buy 6 tickets to play
each Ticket cost $10 mr jones
has $45 it
his pocket how much more money does he
Need for 6 tickets

Answers

Answer: $15

Step-by-step explanation:

6 times 10 = 60

(6 is tickets, $10)

He has $45 but needs $15 more dollars to pay.

60-45=15

15 because 6*10 = 60 - 45 = 15

Sippy brought home 2 tortoise as pets. She collected money to build a comfortable home for them. She had a total of Rs. 8200 in the form of Rs. 100, Rs. 500 and Rs. 2000 currency notes.
Rs. 500 notes were half of Rs. 100 notes. Rs. 2000 were one-third of Rs. 500 notes.
i) Write and solve the linear equation to find the number of notes of each denominations.
ii) Calculate the value of money obtained from Rs. 100 notes.

Answers

Let x be the number of Rs. 100 notes, y be the number of Rs. 500 notes, and z be the number of Rs. 2000 notes.

From the given information, we have the following equations:

y = 0.5x (Rs. 500 notes were half of Rs. 100 notes)
z = (1/3)y (Rs. 2000 were one-third of Rs. 500 notes)
100x + 500y + 2000z = 8200 (Total value of money)

Substituting y = 0.5x in the second equation, we get:

z = (1/3)(0.5x) = (1/6)x

Substituting y = 0.5x and z = (1/6)x in the third equation, we get:

100x + 500(0.5x) + 2000((1/6)x) = 8200

Simplifying this equation, we get:

100x + 250x + 333.33x = 8200
683.33x = 8200
x ≈ 12

Therefore, Sippy has 12 Rs. 100 notes, 6 Rs. 500 notes (y = 0.5x), and 2 Rs. 2000 notes (z = (1/6)x).

The value of money obtained from Rs. 100 notes is 100x = 100(12) = Rs. 1200

A can of soda can be modeled as a right cylinder. Abdoulaye measures its height as 12.2 cm and volume as 190 cubic centimeters. Find the can’s diameter in centimeters. Round your answer to the nearest tenth if necessary.

Answers

The solutiοn of the given prοblem of volume comes οut to be r =  2.22 radius is cylinder.

What is volume?

A three-dimensional οbject's volume, which is expressed in cubic units, indicates hοw much space it takes up. The cubic units cm³ and in³ are twο examples. On the οther hand, a thing's mass is a measure of hοw much stuff it contains. Usually, an οbject's weight is expressed in mass units like pοunds & kilograms.

Here,

Given :

=> height = 12.2 cm

=> vοlume = 190 cm³

Vοlume formula : πr²h

=> π * r² * 12.2 = 190

=> r² = 190/12.2 * 7/22

=> r² = 15.57 * 0.318

=> r² = 4.95126

=> r =  2.22

Therefοre, the sοlution of the given prοblem of volume comes out to be

r =  2.22 radius is cylinder.

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A 15 year variable rate mortgage offers a first year teaser rate of 3.11%. After that the rate starts at 5% adjusted based on actual interest rates. If the mortgage is $325,000 compute the monthly payment during the second year, if the interest rate increases to 5%

Answers

The monthly payment during the second year of the mortgage, when the interest rate increases to 5%, is approximately $1,654.58. To compute the monthly payment during the second year of a variable rate mortgage, we need to consider the loan amount, the interest rate, and the loan term.

Loan amount: $325,000

First-year teaser rate: 3.11%

Rate for the second year: 5%

To calculate the monthly payment during the second year, we can use the formula for calculating the fixed monthly payment on a mortgage:

Monthly payment = (Loan amount * Monthly interest rate) / (1 - (1 + Monthly interest rate)^(-n))

Where:

Loan amount = $325,000

Monthly interest rate = Annual interest rate / 12

Annual interest rate for the second year = 5%

n = Total number of monthly payments (12 payments in a year)

First, we calculate the monthly interest rate for the second year:

Monthly interest rate = 5% / 12 = 0.4167%

Next, we substitute the values into the formula:

Monthly payment = ($325,000 * 0.4167%) / (1 - (1 + 0.4167%)^(-12))

Using a calculator, we can evaluate this expression:

Monthly payment ≈ ($325,000 * 0.4167%) / (1 - (1 + 0.4167%)^(-12)) ≈ $1,654.58

Therefore, the monthly payment during the second year of the mortgage, when the interest rate increases to 5%, is approximately $1,654.58.

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Approximately what percentage was the discount? in the question" With a coupon, you can get a pair of shoes that normally costs $84 for only $72. How much money did you save?"

Answers

Answer:

14.29%

Step-by-step explanation:

You would do 84 -72. You should get 12. Then you would do 12/84 to get the discount percentage.

If you round to the hundredths, then your answer would be 14.29%.

3 more than the quotient of 18 and x

Answers

Answer:

18/x + 3

Step-by-step explanation:

This can be written algebraically as 18/x +3. This question is a little unclear, but I think it’s asking to write it as an equation

Which of the rays or segments below IS chord of circle O?

UD

GR

UO

GD

Answers

A chord of a circle is a segment that connects two points on the circle. Therefore, in order to determine which of the rays or segments below is a chord of circle O, we need to identify which of them connects two points on the circle.

- UD: This is a ray that starts at point U and extends indefinitely in the direction of point D. It does not connect two points on the circle, so it is not a chord of circle O.
- GR: This is a segment that connects point G and point R. However, neither of these points is on circle O, so this segment is not a chord of circle O.
- UO: This is a segment that connects point U and point O. Both of these points are on circle O, so this segment is a chord of circle O.
- GD: This is a ray that starts at point G and extends indefinitely in the direction of point D. It does not connect two points on the circle, so it is not a chord of circle O.

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Solve with method of elimination
5u=11+3x
2x+7u=3

Answers

Answer:

12u + 14 + 5x or 12u + 11 + 5x = 3

Step-by-step explanation: I dont know I was just guessing cause u had 2 equal signs by numbers

Please help and NO LINKS!

Please help and NO LINKS!

Answers

Answer:

2/100 is the answer to the question

Answer:

B

Step-by-step explanation:

Adrian bought a car worth $12000 on 36 easy installments of $375. Answer the following questions. (1) How much total amount did Adrian pay in 36 months? Answer: Total payment A = $ (2) Identify the letters used in the simple interest formula I = Prt. I= $ P= $ and t years. (3) Find the rate of interest in percentage. Answer: r %. ASK YOUR TEACHER

Answers

3)  since we don't have the information about the interest paid (I), we cannot determine the rate of interest at this time.

(1) To find the total amount Adrian paid in 36 months, we can multiply the monthly installment by the number of installments:

Total payment A = Monthly installment * Number of installments

              = $375 * 36

              = $13,500

Therefore, Adrian paid a total of $13,500 over the course of 36 months.

(2) In the simple interest formula I = Prt, the letters used represent the following variables:

I: Interest (the amount of interest paid)

P: Principal (the initial amount, or in this case, the car worth)

r: Rate of interest (expressed as a decimal)

t: Time (in years)

(3) To find the rate of interest in percentage, we need more information. The simple interest formula can be rearranged to solve for the rate of interest:

r = (I / Pt) * 100

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Can somebody help me? Thank you!

Can somebody help me? Thank you!

Answers

Answer:

asa

i'm pretty sure sorry if wrong

Step-by-step explanation:

Please help me I will give u points whenever u wanna only Percy answers pleaseee ❤️
And don’t forget about explain

Please help me I will give u points whenever u wanna only Percy answers pleaseee And dont forget about

Answers

Answer:

this point is 72 digri ok

The answer to this question is 72 I believe so

How do you solve 859/3 in 5 steps

Answers

Answer:

286.333

Step-by-step explanation:

Find it doing long division...

what the slope and the y intercept for-12x+4y=-8

Answers

Answer:

slope is -3

y-intercept is -2

Step-by-step explanation:

put into slope-intercept form which is y = mx + b where 'm' is slope and 'b' is the y-intercept

12x + 4y = -8

4y = -12x - 8

y = -12/4x - 8/4

y = -3x - 2 (simplified)

Q: S and T are relations on the real numbers
and are defined as follows:

S = {(x, y) ∣ x < y}
T = {(x, y) ∣ x > y}
What is T ∘ S?

A) R x R (all pairs of real numbers)
B)
C) S
D) T

Answers

B) ∅ (empty set); The composition T ∘ S is an empty set (∅) because there are no ordered pairs that satisfy both the conditions of the relations T and S.

To find the composition T ∘ S, we need to determine the set of ordered pairs that satisfy both relations S and T. Let's analyze the definitions of S and T:

S = {(x, y) ∣ x < y}

T = {(x, y) ∣ x > y}

To find T ∘ S, we need to check if there exists an element z such that (x, z) is in T and (z, y) is in S for any (x, y) in the given relations. However, if we observe the definitions of S and T, we can see that there is no common element that satisfies both relations.

For any (x, y) in S, we have x < y, but in T, the relation is defined as x > y. Therefore, there are no elements that satisfy both conditions simultaneously.

As a result, T ∘ S will be an empty set (∅) because there are no ordered pairs that satisfy the composition of the two relations.

The composition T ∘ S is an empty set (∅) because there are no ordered pairs that satisfy both the conditions of the relations T and S.

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Which condition in the figure below will
prove l || m?

Which condition in the figure below willprove l || m?

Answers

Step-by-step explanation:

option C is correct

hope this answer helps you! take care

Answer:

0ption C is correct hope it correct have good day

Step-by-step explanation:

A psychologist is interested in the level of anxiety for adolescents, the middle aged, and seniors. She recruits three samples and gives them a test that measures auxiety with 1 being low anxiety and 10 being high anxiety. The group data are as follows:


Adolescents Middle Aged Seniors M1 M₂5 M -6 5 n- S T5 T8 T₂-25 T-30 SS, - 12 SS2 - 20 SS3 - 14 EX2 - 356 G -60 N is k-3


Conduct the appropriate hypothesis test to determine if there is any difference (non-directional) in anxiety between groups at alpha 05. Specify the following:


1. A. What is the independent Variable


1. B. What is the dependent Variable


1. C. Name the appropriate statistical tested to contact the loypothesis test


1. D. Please type in the mowers for all degrees of freedom, sum of variances, and is critical value and your hypothesis decision reject or retain them).


1. E. Conduct the post hoc test and calculate the effect size ( c u red)


1. F. Write a sentence showing how the outcome of the hypothesis test and the measure of effect size would appear in a research report,

Answers

1 A. The independent variable is the age group (Adolescents, Middle Aged, and Seniors)

1. B. The dependent variable is anxiety level.

1. C. The appropriate statistical test is a one-way ANOVA

1. D. The degrees of freedom are 2 and 12; The sum of squares between groups (SSB), 70 and The sum of squares within group (SSW) is 46. Variance; Mean squares Between (MSB) 35 and Mean squares within (MSW) 3.83.  F statistics, 9.14. The critical F value 2 - 12 at α = 0.05 is 3.89. Since F statistic (9.14) is greater than the critical F value, we reject the null hypothesis. There is a statistically significant difference in anxiety levels between the three age groups at the 0.05 significance level.

1. E. For M₁ and M₂; 4 > 2.6965,the difference is statistically significant.

For M₁ and M₃; 5 > 2.6965, the difference is statistically significant.

For M₂ and M₃; 1 is not greater than 2.6965, the difference is not statistically significant.

How do we write the outcome of the hypothesis test?

To write the outcome of the hypothesis test, state;

1. F. A one-way ANOVA was conducted to test for differences in anxiety level between three age groups. The results showed a significant difference between the groups, F(2, 12) = 9.14, p < .05, η² = 0.603. Post-hoc comparisons using the Tukey HSD test indicated that the anxiety level for adolescents significantly differed from that of middle-aged individuals and seniors.

However, the middle-aged group and the seniors did not significantly differ from each other. These results suggest a large effect size, with 60.3% of the variance in anxiety levels explained by the age group."

You can calculate the degrees of freedom, sum of variances, and is critical value this way;

Degree of Freedom

The degrees of freedom between groups (dfb) is k-1 = 3-1 = 2.

The degrees of freedom within groups (dfw) is N-k = 15-3 = 12

Sum of squares

The sum of squares between groups (SSB) can be calculated as:

SSB = ΣT²/n - G²/N

= ((5²/5) + (25²/5) + (30²/5)) - (60²/15)

= 10 + 125 + 180 - 240

= 70

The sum of squares within groups (SSW) can be calculated as:

SSW = ΣX² - ΣT²/n

= 356 - ((5²/5) + (25²/5) + (30²/5))

= 356 - (10 + 125 + 180)

= 46

Variance

The mean square between (MSB) is SSB/dfb = 70/2 = 35.

The mean square within (MSW) is SSW/dfw = 46/12 = 3.83.

F-statistics

The F statistic is MSB/MSW = 35/3.83 = 9.14.

The critical F value at α = 0.05 for dfb = 2 and dfw = 12 ⇒ F-distribution table = 3.89.

The Effect Size

η² = SSB/SST

= 70/(70 + 46)

= 0.603

Post Hoc test Tukey HSD

HSD = q × √((MSW / n))

studentized range statistic value obtained from a q-table is 3.081 at 2 and 12 and 0.05

When we substitute values;

HSD = 3.081 × √((3.83 / 5)) =  2.6965

M₁ - M₂ = 1-5 = -4 = 4

M₁ - M₃,= 1-6 = -5 = 5

M₂ - M₃ = 5-6 = -1 = 1

compare this HSD value with absolute differences.  If absolute difference for any pair is greater than the HSD, then the means for that pair of groups are significantly different.

The above answers are based on the full group data as presented below;

Adolescents          Middle Aged        Seniors

M₁ = 1                        M₂ = 5                   M₃ = 6              ΣX² = 356

n = 5                         n = 5                      n = 5                G = 60

T₁ = 5                        T₂ = 25                  T₃ = 30               N = 15

SS₁ = 12                  SS₂ = 20                 SS₃ = 14               k = 3

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I need help with this question

I need help with this question

Answers

Answer:

2n=12

Step-by-step explanation:

The next step would be to subtract four from each side getting 2n=12 or B

Scientific knowledge allows new technologies to be built, and those technologies, in turn, impact society at many levels.

options:
True
False

Answers

Answer:

true

Step-by-step explanation:

A package of 6 pairs of insulated socks cost 49.74 What is the unit price of the pairs of socks?

Answers

8.29$

49.74 / 6
= 8.29

What is .087% of $550

Answers

Answer:

0.4785

Step-by-step explanation:

Help plz answer the question

Help plz answer the question

Answers

Answer:

C

Step-by-step explanation:

√ 50x²y³

√25* 2 x²y³

5xy√2y

the answer for the question is c

After researchers conditioned a dog to salivate to the sight of a triangle, they presented the triangle alone to the dog every three minutes. Over the course of several trials, the amount of saliva the dog secreted in response to the triangle decreased to zero. At that point, the researchers put the dog back in his cage for three hours. What happened the after the three hours the dog rested and went through the conditioning process again

Answers

Answer: Spontaneous recovery likely occurred, and the dog salivated in response to the triangle

Step-by-step explanation:

Spontaneous recovery is the reappearance of the conditioned response when a rest period has taken place or when there's a period of lessened response.

In this case, since the researchers put the dog back in his cage for three hours after which the dog went through the conditioning process again after the three hours, then there'll be a spontaneous recovery.

Where is the f(x) negative
a) (0,-6)
b) (-10,7)
c) (-10,0)
d (-7,10)


F(0)=
a) -2
b) 10
c) 7
d) -6


If F(x)=0, find x
a) -2
b) -4
c) 0
d) 7



What is the domain of F(x)?
a) (-10,8)
b) (-6,2)
c) (-10,-7,-2,-1,4,8)
d) (-7,-6,-2,2)

Where is the f(x) negative a) (0,-6)b) (-10,7)c) (-10,0)d (-7,10)F(0)=a) -2b) 10c) 7 d) -6If F(x)=0,

Answers

Answer:

1. a) (0,-6)

2. d) f(0)=-6

3. d

4. a (?)

Step-by-step explanation:

1. f(0)=-6, which is negative

2. f(0)=-6

3. when x=7, f(7)=0

4. domain: [-10,8] because x=-10 and 8 are included in the domain

Hopefully, this helps.

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