Please answer by showing your work

Please Answer By Showing Your Work

Answers

Answer 1

Answer:

Step-by-step explanation:

4x-2 +3x+7 = 180

7x + 5 = 180

7x = 175

x = 25

3(25) + 7 = 82

Answer 2

Answer:

82 (degrees)

Step-by-step explanation:

4x-2+3x+7=180=7x+5...175=7x...x=175/7... x=25

This is both angles combined which we know adds up to half of the entire quadrilateral (180 degrees). Then solve.

3(25) +7=82 which is equal to f

f=82


Related Questions

Plz help me I dont understand

Answers

Answer:  the answer is -7/5

Answer:

The answer is C

Step-by-step explanation:

PLZZZ HELPP IM STUCKK NEED HELLPPP PLZZZ ASAPPPP REWARD BRAINLIESTT!!!!!!!!!!!!!!!!

Answers

Answer:

(7. A)(8.C)(9. B)(10. B)(6. A)

Step-by-step explanation:

jfuwiuhudiwjoqlkdfjdkhkfhhalp

Answers

Answer:

What is this question do you need help or you are playing

2(4+9w)=
answer pls
kkkkkk

Answers

Answer:

simplify the expression:

8 + 18w

Step-by-step explanation:

i hope this helps!

Answer: 8 + 18w

Step-by-step explanation: PLs mark me as brainlisti have great day

you invested $1,900 at a 4% interest compounded annually for 3 years.how much interest did you earn in 3 years

Answers

Answer:

The amount is $2137.24 and the interest is $237.24.

Step-by-step explanation:

STEP 1: To find amount we use formula:

A = P[tex](1+\frac{x}{y} )nt[/tex]

A = total amount P = principal or amount of money deposited, r = annual interest rate n

= number of times compounded per year t = time in years In this example we have

P = $1900 , r = 4% , n = 1 and t = 3 years

After plugging the given information we have

A = 1900 [tex](1+\frac{0.04}{1})^{1*3}[/tex]

A = 1900 · 1.0[tex]4^{3}[/tex]

A = 1900 · 1.124864

A = 2137.24

STEP 2: To find interest we use formula A = P + I, since A = $2137.24 and P = $1900 we

have:

A = P + I

2137.24 = 1900 + I

I = 2137.24 − 1900

I = 237.24

I NEED HELP!!!!

Physical therapists measure strength on a dynamometer, which uses a unit called a foot-pound. Suppose you increase the strength in your elbow joint from 90 foot-pounds to 125 foot-pounds. Find the percent of increase to the nearest percent.



A.

39%



B.

138.9%



C.

28%

Answers

Answer:

A. 39%

Step-by-step explanation:

(125-90)/(90)=(35)/(90)=0.3889 or 39%

To find the percent increase, we need to divide the amount of change by the original amount.


The diagram shows a trapezium.
Work out the area of the trapezium.

Answers

Answer:

32cm^2

Step-by-step explanation:

the formula for the area of a trapezois is S=(10+6)/2*4=32

It takes 12 men 5 days to complete a job.
(a) Workout how many days it would take 3 men to complete the same job.
(2 marks)

Answers

Answer:

20

Step-by-step explanation:

1/(12*5)=1/(3*x)

12*5=3x

x=20

The ratio of girls to boys is 8 girls to 4 boys.
If there are 4 girls, how many boys are there?

Answers

Answer:

4

Step-by-step explanation:

i think 2 idrk .....

A scientist measures the change in the temperature of a chemical solution. At the start of the experiment, the solution is at a temperature of -14.96ºC. The temperature decreases 2.9ºC each hour. 1️⃣ Find the temperature of the solution after 3 hours. 2️⃣ Find the temperature of the estimated solution after 3 hours.

Answers

Answer:

-6.26°C

Step-by-step explanation:

Given that:

Initial temperature = - 14.96ºC

Temperature change per hour = 2.9ºC

Hence, the temperature of the solution after 3 hours can be obtained thus :

Final temperature = (initial temperature + (temperature change per hour * Number of hours))

Temperature after 3 hours :

-14.96 + 2.9(3)

-14.96 + 8.7

= - 6.26

Help me please ASAP!!!!

Answers

Answer:

i need this too

Step-by-step explanation:

Answer:

no thanks asap!!!

Step-by-step explanation:

The formula for continuously compounded interest on a principal investment Pat a given interest rater
over time tin years is given by A = Per? You have deposited $12,000 in an account that pays 4.15%
interest, compounded continuously. How long will it take for your initial investment to grow six times its
original worth? Round your answer to the nearest tenth.

Answers

Answer:

43.2 years

Step-by-step explanation:

The formula for continuously compounded interest on a principal investment Pat a given interest rater

over time tin years is given by A = Pe^rt

P = Initial amount compounded = $12000

A = Amount compounded continuously after t years = six times it's original worth

= 6 × $12,000 = $72000

r = Interest rate = 4.15%

t = time in years = ?

Making t the subject of the formula

t = ln(A/P) / r

First, convert R percent to r a decimal

r = R/100

r = 4.15%/100

r = 0.0415 per year,

Then, solve our equation for t

t = ln(A/P) / r

t = ln(72,000.00/12,000.00) / 0.0415

t = 43.175 years

Approximately t = 43.2 years

The time required to get a total amount of $ 72,000.00 from compound interest on a principal of $ 12,000.00 at an interest rate of 4.15% per year and compounded continuously is 43.2years.

How do you solve equations using Substitution.

Answers

Substitution is one of the methods for solving linear equations. It is a good choice if there is a variable with a coefficient of 1. This method involves solving one of the equations for a variable and then substituting that expression into another equation to solve for another variable. This will produce a single equation with one variable, which can then be solved algebraically.

(9x - 18)°
find the value of x

Answers

Answer:

x=2

Step-by-step explanation:

9x-18
If u substitute the answer you get is 2

what is 8+9 pllllllllllllssssssssssssssssssssssssss

Answers

Answer:

17

Step-by-step explanation:

8+9 is 17

Answer:

89

it's helpful ya lol :)

I think it's 17 :(

The profit of a football club after a takeover is modeled by p(t)=t^3-14t^2+20t+120,where t is the number of years after the take over, in which years was the club making a loss ?

Answers

When looking at the following expression, we can tell that it has no rational roots. However, it does have zeros at:

t = -0.45, 2.16, 12.29.

When thinking of the cubic curves you know that p(t) < 0 for 2.16 < t < 12.29. Meaning the team took a loss in years 3-12.

Please consider me brainliest.

can someone please help out with this? "The Spanish Club begins the school year with a $50 balance in its account. To raise money for activities during the school year, the club has bake sales every Friday after school. The table shows the club’s balance after the bake sale. Write an equation to represent the Spanish Club’s account balance after x weeks." is the question

Answers

Answer and expl in pdf below:)

a pizza costs $11 and $1.50 per topping write a equation for cost in dollars and the nunber of toppings ​

Answers

Answer:

y= 11 + 1.50x. (y is the price, x is number of toppings)

Step-by-step explanation:

y= 11+1.50x because y is the total, x is your independent variable, and 11 is ur baseline

Hidaya is mailing packages. Each small package costs her $2.40 to send. Each large package costs her S3.70. How much will it cost her
to send 6 small packages and 1 large package?

Answers

Answer:

18.10

Step-by-step explanation:

6x2.40= $14.40 + $3.70= 18.10

Answer:

18.1 dollars

Step-by-step explanation:

2.40x6+3.70

Solve the system by any method.
(3x – 4y = -5
(5x + 8y = -1

Answers

Answer:

( x , y ) = ( -1,1/2)

Step-by-step explanation:

Solve the equation for X

[tex]\left \{ {{x=-5/3+4/3y} \atop {5x+8y=-1}} \right.[/tex]

Substitute the given value of x into the equation 5x + 8y = -1

5(-5/3+4/3y)+8y=-1

Solve the equation for Y

y=-1/2

Substitute the given value of y into the equation x = -5 / 3 + 4 / 3y

x=-5/3+4/3×1/2

Solve the equation for X

x=-1

The system solution is the computer pair

(x,y)=(-1,1/2)

Check if the ordered pair given to the solution of the system of equations

[tex]\left \{ {{3*(-1)-4*1/2=-5} \atop {5*(-1)+8*1/2=-1}} \right.[/tex]

Simplify the equations

[tex]\left \{ {{-5=-5} \atop {-1=-1}} \right.[/tex]

The ordered pair is the solution of the system of equations, since both equations are true

(x,y)=(-1,1/2)

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Answers

Answer:

[tex]y = \frac{1}{2} x + \frac{1}{2} [/tex]

Step-by-step explanation:

equation of line formula:

[tex]y = mx + c[/tex]

m = slope

c = y-intercept

1) find m

slope formula:

[tex]m = \frac{ y_{2} - y_{1} }{ x_{2} - x_{1}} [/tex]

take 2 coordinates from the given graph and substitute the values into the slope formula

i) (-1,0)

[tex]x _{1} = - 1[/tex]

[tex]y_{1} = 0[/tex]

ii) (3,2)

[tex]x_{2} = 3[/tex]

[tex]y_{2} = 2[/tex]

substitute the values into the slope formula

[tex]m = \frac{2 - 0}{3 - ( - 1)} [/tex]

[tex]m = \frac{2}{4} [/tex]

[tex]m = \frac{1}{2} [/tex]

2) find the half equation of the line by substituting the value of m into the equation of line formula

[tex]y = \frac{1}{2} x + c[/tex]

3) find c by substituting either coordinate into the half equation

(3,2)

x = 3

y = 2

[tex]2 = \frac{1}{2} (3) + c[/tex]

[tex]2 = \frac{3}{2} + c[/tex]

[tex]2 - \frac{3}{2} = c[/tex]

[tex] \frac{1}{2} = c [/tex]

[tex]c = \frac{1}{2} [/tex]

4) find equation of line by substituting the value of c into the half equation

[tex]y = \frac{1}{2} x + \frac{1}{2} [/tex]

Find the exact length of the third side.
60
25

Answers

Answer:

a2+b2=c2

32+42=52

9+16=25

25=25

Step-by-step explanation:

Answer:

2.4

Step-by-step explanation:

can someone pls help me by tonightttt

Answers

Increases by 60 cm^2

Area of each side times 2
6x2x2= 24
6x3x2= 36

Sums to 60

A bag with 10 marbles has 2 blue marbles, 4 yellow marbles, and 4 red marbles. A marble is chosen from the bag at random. What is the probability that it is blue? Write your answer as a fraction in simplest form.

Answers

Answer:

1/5

Step-by-step explanation:

There are 2 out of 10 that are blue so in fraction form thats 2/10 so when you simplify it, the simplest form is 1/5

Personal Statement
Please include a personal statement about why you are applying and what you feel you can contribute to the program. Your statement should be a minimum of 500 words and include the following information: Why would you like to attend this Oxbridge program? Please tell us about your academic and extracurricular interests. Be sure to include your current, unweighted grade point average (GPA) or your school's equivalent. What interests you about the Major and/or Minor/Workshop courses you intend to pursue? What do you feel you will contribute to the program? Feel free to share any additional details that you feel may help our Admissions Team understand why you are a good fit for this program.

so can someone help me cause I'm not sure how to write this on a way that is convincing​

Answers

Well, as it says, your first statement needs to explain what interests you about the program.

If you feel you need multiple paragraphs, let the first be an introduction, around 4 or 5 sentences. Include, possibly what pushed you to apply for this program, what you're looking forward to, and a reason for them to hire you. You can add a thesis statement of sorts if that helps (a short statement, usually one sentence, that summarizes the main point or claim of a paper). The first paragraph can be short, it doesn't need to be too in-depth. You can talk more about that later in your statement.

The body paragraphs must include your goals and extracurricular interests (what courses would you like to take and why?).

As it states, you must list your GPA, what interests you about the Major and/or Minor/Workshop courses, and what you can contribute (you can build off of what you said in your first paragraph here).

It is very important to share additional details you think are important, such as accomplishments you are proud of, for example.

A conclusion would be nice, a short and sweet wrap-up of your overall statement (not too long).

Remember, the name of the game is to sound confident and prove to them that you are in fact a good fit for the program! Good luck! Stay focused ^^

-8+4w+4
Simplify the expression

Answers

Answer:

4w-  4

Step-by-step explanation:

Compute $\sqrt{64} + \sqrt{225} - \sqrt{64 + 225}$.

Answers

Answer:

6

Step-by-step explanation:

Simplify the following:

sqrt(64) + sqrt(225) - sqrt(64 + 225)

Hint: | Evaluate 64 + 225.

64 + 225 = 289:

sqrt(64) + sqrt(225) - sqrt(289)

Hint: | Simplify radicals.

sqrt(289) = sqrt(17^2) = 17:

sqrt(64) + sqrt(225) - 17

Hint: | Simplify radicals.

sqrt(64) = sqrt(2^6) = 2^3:

2^3 + sqrt(225) - 17

Hint: | In order to evaluate 2^3 express 2^3 as 2×2^2.

2^3 = 2×2^2:

2×2^2 + sqrt(225) - 17

Hint: | Evaluate 2^2.

2^2 = 4:

2×4 + sqrt(225) - 17

Hint: | Multiply 2 and 4 together.

2×4 = 8:

8 + sqrt(225) - 17

Hint: | Simplify radicals.

sqrt(225) = sqrt(15^2) = 15:

8 + 15 - 17

Hint: | Evaluate 8 + 15 - 17.

8 + 15 - 17 = 6:

Answer:  6

Answer:

6

Step-by-step explanation:

Hey there .. Plz help me solve this . ​

Answers

Answer:

I don't understand your question!!!

Determine the value of the variable from the image below.

Answers

Answer:

x=29

Step-by-step explanation:

to understand the solving stepsyou need to know about:right angleequationPEMDASto solve:xlet's solve:

a right angle contains 90° (always)

according to the question

x+3+x-1+x+1=90

3x3=90

x=87

x=29

solved

can someone please help me, ill give brainliest plus points!

Answers

Answer:

9 is the correct answer all the best

Step-by-step explanation:

(x + 0.5)/6 = 19/12

2(x + 0.5) = 19 (multiply 12 on both sides)

x + 0.5 = 9.5 (divide 2 on both sides)

x = 9 (subtract 0.5 on both sides)

The answer is 9.

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